Muncie 3 Speed Transmission Gear Ratios

M-21 close ratio 66-70. The driven gear is connected to a cable. All wide ratio transmissions are designated M20 and close ratio transmissions are designated M21 or M22 depending on the gear set. The M21 and M22 are close ratio transmissions. Most automotive speedometers have a 1:1 ratio. MUNCIE M20 M21 4-SPEED TRANSMISSION MAIN SHAFT OUTPUT SHAFT 27 SPLINE. Muncie M21/M22 (Also M20 and BW T-10) Gear Vendors owes a lot to the Muncie close ratio trans. 27:1; fourth-1. Transmission Parts MUNCIE 4 SPEED New Parts Catalog. The 1964 Muncie transmission was a basic carryover of the 1963 transmission with the exception of the 1964 and later gearboxes used a first gear sleeve on the main shaft for better lubrication. 85:1; third gear ratio is 1. These are easy to adapt to a wide range of hot rods. M-21 close ratio 63-65. The Muncie 4-speeds (M20, M21, and M22) are some of the most popular manual transmissions ever made and continue to be incredibly popular. 31 axle ratio : G95 : 2. 3 TG Series Input Gear: #03T34284. Muncie 4 Speed Gears: Part # Year: Description: Tooth Count: Price: M21 2. First Gear Second Gear Third Gear Fourth Gear Fifth Gear Sixth Gear; 2008-13 Corvette:. 101/2" + 153 tooth flywheel. 56 first gear x 3. Use this calculator to determine your gear ratio and vehicle’s speed in any gear and any engine RPM for best performance. 48 for 2nd, and 1. Saginaw M26/27 transmission — 3 and 4-speed longitudinal light duty (less than 300 hp wide ratio manual transmission made by GM at their Saginaw, Michigan factory Muncie M62/M64 — 3-speed longitudinal transmission made by GM. Both Muncie three and four speeds were offered during the sixties. If you use spur-type gears, the maximum. The SM465's for example were used in 1968-1991 General Motor Trucks Fluid Capacities should be. COMPLETE PROFESSIONALLY BUILT MUNCIE. Muncie 4 Speed Transmissions. Utilizes GM 10 spline input with a 32 spline output. HEH 3rd gear close ratio. muncie 4 speed shifter linkage adjustment. The wide-ratio Muncie M20 was available with any of the high-performance engines, except. 00 fourth - You can confirm by the numbers if it fits your application - 10 spline input, 27 spline output. Muncie M20,21 - 4 Speed Wide Ratio Gear Set - 1 Countershaft - Show Car Quality. HOLDEN MUNCIE HQ Monaro Gts Hk Ht Hg Chev Second 3Rd Gear New Holden Chev - $290. That said, I use an aftermarket AGE M22 wide ratio version in my 3B which has worked well with a big inch small block and teralow's in the T case. 86 60' times. Since all transmissions use a 1:1 ratio in high gear, to find out your final drive ratio in OD simply multiply the rear end ratio by 0. 76 shipping estimate. Not chea. Limited to the “EXTREME” ratio chart. (ZERO MILES SINCE BUILT). The Muncie 4-speeds, M20, M21, and M22 are some of the most popular manual transmissions ever made and continue to be incredibly popular. Transmission Reverse. NOS Muncie Transmission 7/8" Cluster Gear 1963-65 Corvette Close ratio WT297-8. Gm Muncie Cluster Shaft Gear M20 4 Speed Transmission 29 22 19 17 Wt297 8a. 20 Close Ratio : M297-8: 63-65: Cluster Gear 7/8" 27-22-19-17: $185. 28 third, 1:00 fourth. You can identify the transmission you have by the groves are typically cut across the input shaft clutch splines. Casting: 3925661 Years: 1970 - 1974 Ratios: M20 2. 28:1, 4th direct, Rev 2. 0000026716 00000 n 0000004874 00000 n Corvettes saw installation by May through June of 1963. Transmission Reverse Gear 35 Teeth Muncie M20 M21 304587. For Muncie PTO parts or service call Pro Gear & Transmission, Inc. The SM420 is the older heavy duty, granny, 4 speed transmission used in Chevy and GM trucks. 🔥68-72 Chevelle El Camino Gm Factory 4 Speed Muncie Transmission Complete Kit🔥 1966-67 Corvette. This “layout” is a 4-speed transmission with four forward gear ratios in the main case, a midplate bearing support, and a reverse gearset in the extension housing. 3 TG Series and 82 Series ratios greater than the 5 ratio interfere with internal transmission case. 59 overdrive. 73 x 747) ÷ 1,001 = 22. Home › Tech Vault › 3. The cable is then connected to the speedometer. Muncie 4-Speed Manual Transmission Transmission # 3985010 - Suffix: P7E23 - Transmission Assembled May/23rd/1967. ATI offers Low Gear Sets for most popular 3-speed transmissions. muncie 4 speed front seal. New Camaros with a 2. ZR1's with a 2. The GM TH350C, 4-speed and Powerglide transmissions all use the 345215 sleeve but they used three different drive gear diameters, 1. Special “Z” ratio (2. Our combined first gear ratio would be [3. Trying to find out the gear ratios on '58 to '64 regular 3-Speed transmissions, original for a 6 cylinder car. 52 first gear, 1. 0:1 call or text 910-690-four, three, nine, eight. 68 1st gear, 3. Input Shaft: 26-Spline (requires 26-spline clutch disk) Output Shaft: 31 Spline. (ZERO MILES SINCE BUILT). If you use a large-diameter eight-tooth gear, you may want to switch to a seven-tooth gear. World's leading marketplace. This is important to keep in mind if you are swapping between any of these transmissions. A car with more gear multiplication should accelerate faster than a car with less gearing. Date is P0804. Our customers are all over the United States, Canada, South Africa, United Kingdom, and Austrailia. 42:1 low (same 1st ratio as the Dearborn) but there was also a 3. 2 13 speed transmissions require adapter 40TU6810-2 for clearance. 35 1st gear and 3. Typically, the M20/M21 gearsets have a first-gear helix angle of 26. (taken from Muncie 4-Speed Transmissions: Do you know the tooth count of the speedometer drive gear in the transmission? So, if you have an eight-tooth drive gear and use the above equation with an axle ratio of 3. 4L modular engine. 55:1 Second - 3. Trans is completely rebuilt with all new Auto Gear parts. I made the mistake of putting a close ratio gear set in the transmission, thinking it would be cool to have the RPM close between gear changes. This transmission has around 10k miles on a fresh rebuild. 23 and you still have good off the line and a nice highway ratio. Location: muncie in. 73 (or numerically higher), it usually came with a close-ratio transmission. 59 overdrive. contact jimmy at. You should be able to remove the 3 speed and replace it with a 4 speed. Click To See the Best Prices on Muncie 3 Speed Transmission On eBay. 00:1 and as pointed out earlier, fifth is overdriven at 0. The overdrive gears help the truck lope along at lower engine rpms. The 5 speed transaxle Cruiser has a final drive of 3. (468) NEW VENTURE MG-5 (466) G. 76 shipping estimate. The transmission listed on the build sheet you sent me is indeed the Heavy Duty 3-speed transmission I spoke of in the a recent Auto Roundup/Car Collector Corner. It is driven by the input shaft with 21 teeth. Muncie Input Shaft M20 63 - 65 2. Head Set 1 St Gear 2 nd Gear 3 rd Gear 3--22/33 2. 11 rear gear ratio, and a goal of 2,600 cruising rpm. 48 for 2nd, and 1. The TKX has 600 lb. https://www. These words are very similar for the M20 and T10 but with some slight ratio differences depending on model. 52 Ratio AWT297-8C. 2nd through 4th gear uses brass syncro rings, bushings are used under all gears on the main shaft. What I think is the VIN number that is stamped in? J264103 which does not match the VIN of the car. com Muncie 3 Speed Model 318 and 319 transmission parts, Some of 1964-65 units have larger gears with the same tooth count as the 1940-68 units. Includes 1st, 2nd, 3rd ,. This transmission is great for rock crawling as well as towing with it's 6. 1962-1967 Nova Chevy Truck 4 speed SM465. * An extension housing p/n 8673406 (old p/n 24214689) is available for the TH700R4/4L60 transmission that moves the rear transmission mount to the same position as a TH400 (short-style 4" tail) or TH200-4R transmission. 68 1st gear, 3. The ratio consists of several numbers between 2. ,all 1958-65 overdrives also used that ratio. The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963-1974. Delivers Detailed Captions And Revealing Step-By-Step Photos Helps You Confidently Complete Your Muncie 4-Speed Rebuild Made In. Trans Code Format: tymdds where: t = transmission type MANUAL AUTOMATIC S = Saginaw 3-speed A = 68/69 L6 Torque-Drive K = McKinnon 3-speed C = Cleveland Powerglide H = 69 Muncie HD 3-speed T = Toledo Powerglide R = 4-speed Saginaw B = Cleveland TH350 P = 4-speed Muncie X = Cleveland TH350 Y = Toledo TH350 y = model year (not calendar year) m = month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec --- --- --- --- --- --- --- --- --- --- --- --- A B C D E H K M P R S T dd = day of month s. Both have 1:1 final drive ratios. MOPAR A833 4-SPEED TRANSMISSION & COMPONENT SPECIALISTS. 52 first gear, 1. They are for economy and street drivability and just cruising. 36, fourth is. Since all transmissions use a 1:1 ratio in high gear, to find out your final drive ratio in OD simply multiply the rear end ratio by 0. The car was pretty much stripped out except for the full-of-water 455 & tranny. Some use them for mud boggers too. MUNCIE M20 M21 4-SPEED TRANSMISSION MAIN SHAFT OUTPUT SHAFT 27 SPLINE. 4-Speed $8,650 5-Speed $9,450. 55 would be better than a M21 with a 3. The later 1966-1974 units had a 2. novak-adapt. Each application is expertly designed to shorten the throw and engineered to please you for many years to come. Muncie m22 4 speed transmission gear set 2. A V6 Getrag will also bolt up to the Fiero 4 cylinder, 3. Great Pricing Here at Allstategear. Gear Ratios: 1st Gear: 3. Transmission Parts MUNCIE 4 SPEED New Parts Catalog. 4 degrees and an input shaft angle of 39 degrees. FOR SALE - Rockford, IL - For sale. M-22 close ratio 65-69. 7 new Muncie 4 Speed Transmissions For Sale results have been found in the last 90 days, which means that every 13, a new Muncie 4 Speed Transmissions For Sale result is figured out. Get the picture?. If you use spur-type gears, the maximum. 22 Allison 1000 3. This is a great transmission for every Mustang 5 Speed Conversion. HOLDEN MUNCIE HQ Monaro Gts Hk Ht Hg Chev Second 3Rd Gear New Holden Chev - $290. The strongest of the "Muncie" based 4 speeds, the Auto Gear M23 is your answer for strength in those higher HP and torque applications where an M20/21 or even M22 just won't do. All 4-speed muncie ratios end at 1:1, so close ratio means your first gear won't be as deep. 86 60' times. PROFESSIONAL QUALITY: ISO9001 CERTIFIED. The transmission listed on the build sheet you sent me is indeed the Heavy Duty 3-speed transmission I spoke of in the a recent Auto Roundup/Car Collector Corner. 7 overdrive ratio. Gear ratios are as follows 1st-6. Rebuilt transmission conversion packages are offered for those going from automatics to manual (standard) transmissions, plus going from three (3) speed transmission all the way up to six (6) speed transmissions in Ford Bronco & Mustang, Chevrolet Camaro Corvette & trucks, Dodge trucks, Jeep Cherokee and Wranglers, and Muscle Cars. This was likely a paint stamp that quickly wore off. The 5 speed transaxle Cruiser has a final drive of 3. Muncie 4 Speed Tail Housing 429 M21m20. TRANMISSION COMES WITH HURST SHIFTER. Muncie 4 Speed Identification Numbers. The Muncie was the top high-performance manual transmission General Motors offered in its muscle cars of the 1960s and early 1970s. Axle Ratio: Enter your rear axle ratio here. (455) 81-82 CAMARO/FIREBIRD 9 bolt side cover MUNCIE M-20/M-21 EARLY, G. The transmission below is for a 1981 Trans Am with the iron case, iron midplate and 3. 07" Has a 500 ft. Obviously you will need a 4 speed shifter. GM Muncie M20 4 Speed Cluster Shaft Gear 25-22-19-17 1" Pin 2. 08 axle ratio : GV3. The basic design and operation theory of the gearbox changed little during that time, though several design upgrades and modifications were made during the total production run. The 1958 and up 283,327, and 348 had a 2. A lot of people refer to Saginaw-Muncie transmissions, such as the SM465, as Muncies. The Saginaw is often mistaken for a Muncie. 00, 5th Gear: 0. It is the heavy-duty version of the 2. 1% similar) Sell it all as is. All M21/22 have the same 22% upshift and 28% downshift spread as the Gear Vendors. 1972 and earlier use coarse (10) clutch disc. The strongest of the "Muncie" based 4 speeds, the Auto Gear M23 is your answer for strength in those higher HP and torque applications where an M20/21 or even M22 just won't do. Many think all fine-spline Muncies are Rock Crushers, which is not the case. 00:1 and reverse- 2. Ratios: Year 1966-1974 Type: M20 Rings: Two Ratio: 2. Muncie 4 Speed Gear Ratios. Transmissions and parts, differentials and parts, transfer cases and parts, PTO units and parts like: rebuild kits, bearing kits, ring and pinion, gear sets, PTO, shafts, axles, housings and cases, power take off, Differentials, transmissions, transfercases, new, rebuilt and exchange. The SM420 is the older heavy duty, granny, 4 speed transmission used in Chevy and GM trucks. Ratio: MPH : 1st Gear: The estimated speed you will be traveling based on the parameters you established and the transmission you selected. ) Tire Height - In Inches, Use The Gear Calculator or Tire Size Calculator Speedo Revs/Mile - Number of RPM the speedometer needs to turn at 60mph You can hit the SAMPLE button to see how some typical calculations will look. or Best Offer +C $22. Another vital piece of info is the speedometer drive/driven gear ratios, the gears inside of the transmission or transaxle. The M20 Wide ratio first gear is 2:56:1, whereas the M21 close ratio trans has a 2. Street wise a M20 3. or Best Offer +C $1,313. The 1964 Muncie transmission was a basic carryover of the 1963 transmission with the exception of the 1964 and later gearboxes used a first gear sleeve on the main shaft for better lubrication. Jan 10, 2015 - street and racing Chevrolet, 1960-1979 for sale today on Collector Car Nation Classifieds. 68, 3rd of course is 1. The reason is that the Super T10's have a lower ( higher numerical ) first gear. M-20 wide ratio 71-74. 42 1st gear. ,all 1958-65 overdrives also used that ratio. 00 (1 offer) - Buy Muncie BODY-3885010 Transmission Gear 4-SPEED M21. In addition to supplying increased torque for towing and motor homes, these gears are an excellent alternative to steep rear end gears for street driven performance vehicles and low RPM, high torque race engines. Input shafts came with 23 or 18 splines. MUNCIE M20 M21 4-SPEED TRANSMISSION MAIN SHAFT OUTPUT SHAFT 27 SPLINE. It used an aluminum case and different gear ratios from the Saginaw 4-speed. Finally had a chance to crawl under the 442, and found the following trying to ID the Muncie trans: Case Number 3851325 with 27 spline 7/8" input shaft. Muncie M20,21 - 4 Speed Wide Ratio Gear Set - 1 Countershaft - Show Car Quality. Note: The spur gear 4 speed (non-synchro) was used from 1932-52. Gear ratios are: First - 6. 56 first gear x 3. 56 ratio can be tamed by an OD into a very functional 3. Manual M20 = 4 sp. 48:1: Fourth Gear: 1:01: Reverse Gear: 3. For Models: 56. Oldsmobile Transmission Identification and Gear Ratios Other model series transmissions are included on this page, in the event your original transmission was, at some time, swapped for a different version. The PTO rotation will be reversed. HEH 3rd gear close ratio. If you use spur-type gears, the maximum. On the V-6 Getrags, 1st - 5th gear ratios are always the same. Gear ratios are as follows 1st-6. 56 axle ratio : GT2 : 2. Input Shaft: 26-Spline (requires 26-spline clutch disk) Output Shaft: 31 Spline. Transmission Reverse Gear 35 Teeth Muncie M20 M21 304587. Obviously you will need a 4 speed shifter. I've been told it is a 3 spd Muncie, has synchronized 1 gear, 3. This is a great transmission for every Mustang 5 Speed Conversion. 50, Reverse-2. Have the matching 65-74 396 engine all set and totally rebuilt to drive. Second gear ratio is 1. Watch; D S V S 4 A 5 L U p o I n C s J o r e d. Choices like this are available for many manual transmissons. 12 Bolt Posi-Traction Rear End with 4. Muncie M21 & M22. Note: The spur gear 4 speed (non-synchro) was used from 1932-52. These are easy to adapt to a wide range of hot rods. 3 TG Series and 82 Series ratios greater than the 5 ratio interfere with internal transmission case. 55 would be better than a M21 with a 3. or Best Offer +C $22. 97 first gear of the G92 T56 and 3. The Muncie was the top high-performance manual transmission General Motors offered in its muscle cars of the 1960s and early 1970s. It is the heavy-duty version of the 2. to drive or buy this Ford Ranger: 1FTER4FH0MLD22125. CHART 5-SPEED TRANSMISSION I. This features the 10 spline input with a 27 spline output shaft (Turbo 350 size). I'm looking for something good enough to convince the NHRA to allow me to run a 4 speed behind a 230(first choice) or 250. 52 Ratio AWT297-8C. After a little help from the guys I found out that the Tremec " close " ratio is a match to the Muncie " wide " ratio. I'm running a 3:90 rear gear and the new overdrives are like having air conditioning for the first time ! Caint believe I waited so long !. 52 1st , M21 2. Transmission Gear Ratio Chart Transmission 1st 2nd 3rd 4th 5th 6th Rev Aisin AX-5 3. 81 / Rev: 2. Completely rebuilt - fresh Muncie M21 close ratio transmission. Some areas are cast iron, such as the center support for the transmission. TG6S-U6818-C4BH 1, 2, 3, 5 Opp 171 Included Cable 127 24 13 1 Direct mount pumps will not clear bulge on right side unless adapter is used. *Overdrive distinguished from 3-Speed by physical appearance only. They are compatible with a GM 3 Series differential. According to CBN the low perf Saginaw 3spd in 6 cyl would be 2. The transmission is a 69-70 model as it has the bolt on style shift shaft levers. 49 Peugeot BA 10/5 3. 20:1; second- 1. The later 1966-1974 units had a 2. Utilizes GM 10 spline input with a 32 spline output. Torque rating 500ft/lbs. 73 rear gear and. 73 on both ends, and will kill a close ratio box for anything other than road racing. 98) Ratio Gear Set - Italian or Korean made. This 3 speed transmission has its gear ratios defined as 2. 2nd Gear: 3rd Gear: 4th Gear: 5th Gear. Tremec TCET17805 TKX 5-speed manual transmission for GM applications. 1971 Chevy GMC 3 Speed Muncie M1M26A HD Truck Transmission 3. Great Pricing Here at Allstategear. 09:1 Link to specs: https://www. 11 rear gear ratio, and a goal of 2,600 cruising rpm. ,all 1958-65 overdrives also used that ratio. If you use spur-type gears, the maximum. 73:1 you get 22: (8 x 3. and i also have 8 1/2"-3. Materials and Size. 76 shipping. 10:1 Gear Ratio Holley 4 Barrel Carburetor Dual Plane Aluminum Intake Muncie M21 Close Ratio 4-Speed Manual Transmission Cast Aluminum BellHousing High Torque Starter Cold Air Intake on Air Cleaner Chrome Valve Covers Hoses and Belts are in Good Shape Recent Alignment Power Front Disc Brakes Power Steering. 68 in second. As Couponxoo’s tracking, online shoppers can recently get a save of 50% on average by using our coupons for shopping at Muncie 4 Speed Transmissions For Sale. Tremec - Borg Warner - New Venture - Getrag, Cummins, Cummings, T-56, T56, 4 speed transmission, 5 speed transmission, 6 speed transmission, new, aftermarket. Mandrel bent Edelbrock 304 3" stainless steel exhaust system with stainless steel mufflers (4) Factory rebuilt M-21 Muncie 4 speed transmission with Hurst shifter. Muncie 4 Speed and similar listings - Vehicles For Sale in Des Moines area (+50 miles): 1969 Pontiac GTO in Urbandale, 1970 Chevrolet Chevelle, 1969 Chevrolet Corvette, 1966 Chevrolet Corvette, 1973 Chevrolet Camaro. Even if you do remember to check the gear oil level, you have to slide under the car and remove one of the drain plugs. 36 rear axle gear ratio. All wide ratio transmissions are designated M20 and close ratio transmissions are designated M21 or M22 depending on the gear set. or Best Offer +C $22. 27 first gear with a. 56: TCET18085: Ford: 600: 26. May need rebuilt. 88 with the 2. Edit gear ratios, or enter (and save) multiple ratio sets, then click Compare Ratios to display multiple graphs and compare ratios. The 63-65 also have a 7/8" cluster gear shaft while the rest are 1". Mandrel bent Edelbrock 304 3" stainless steel exhaust system with stainless steel mufflers (4) Factory rebuilt M-21 Muncie 4 speed transmission with Hurst shifter. The early ones had a 2. Cars & Trucks Motorcycles Other Vehicles & Trailers Boats Powersports Parts. 72 / Rev: 3. For Muncie PTO parts or service call Pro Gear & Transmission, Inc. Lenco Racing Transmissions celebrates over forty-five years of the engineering and manufacturing of the most successful drag racing transmissions ever built. Use this calculator to determine your gear ratio and vehicle’s speed in any gear and any engine RPM for best performance. 20 close ratio or 2. of torque capacity and is capable of engines speeds of 8,000 RPMs with shifts at 7,500 RPMs. Again the math. New Muncie M20 2. If you have a 68 Chevelle with a factory 3 speed the transmissions are very similar. The Muncie transmission was an aluminum main case/extension housing, side-loaded transmission with a side-lever shift linkage. 88 & coupled to a 3. 3-speed used in the light duty trucks (pickups etc). Transmissions Transfer Cases. Muncie M21 and M22. Get the best deals for muncie 4 speed transmission m21 at eBay. or Best Offer +C $22. 28 third, 1:00 fourth. Examples: R7S21 Saginaw 4-speed, Nov 21, 1966 P8R01 Muncie M2x 4-speed, Oct 01, 1967 P9T11B Muncie M21 4-speed, Dec 11, 1968 C9D14N PowerGlide M35 2-speed auto, Apr 14, 1969, night shift. Use the Aspect Ratio calculator below if you do not know your tire height. xx A M22 works well with any ratio from around 3. Nothing but the best parts were used in this transmission, all american replacement parts. Refer to Figure 3. Has new: synchro rings, keys/springs, cluster pin, bearings, smal 1964 Muncie M20 4 Speed Transmission (Waukesha) $1250. I’m concerned it might lag a little with my 3. The later 1966-1974 units had a 2. 1966-1970 Muncie 4 Speed Input Gear 2:52 Ratio 21 Teeth in Automotive, Parts & Accessories, Car & Truck Parts, Transmission & Drivetrain, Manual Transmissions & Parts, Manual Transmission Parts | eBay. The wide ratio might be better in a heavy truck because it has a lower first gear to get things moving, as well as a broad torque curve to compensate for the. 34 / 4th: 1. Below you will find a detailed parts list for the M21 & M22 manual transmission that includes complete rebuilt transmissions bearing rebuild kits with and without synchro rings, gaskets and seals, small parts kits, bushings, individual bearings, slider, synchro rings, forks, gears and shafts. THE MAIN CASE IS THE STRONGEST MADE with fill and drain plugs. TH400 has a 32-spline output shaft. Post Sep 24, 2011 #1 2011-09-24T21:03. On all these trans, the strength decreases with lower gear ratios. Gm Muncie Cluster Shaft Gear M20 4 Speed Transmission 29 22 19 17 Wt297 8a. This is important to keep in mind if you are swapping between any of these transmissions. 12 Bolt Posi-Traction Rear End with 4. Saginaw M26/27 transmission — 3 and 4-speed longitudinal light duty (less than 300 hp wide ratio manual transmission made by GM at their Saginaw, Michigan factory Muncie M62/M64 — 3-speed longitudinal transmission made by GM. Constant mesh shift option “M” is shown for this application. To keep the same rpm and be in 6th gear, the cruise speed goes up to 99. Robust design with an internal 3-rail shift system. A car with more gear multiplication should accelerate faster than a car with less gearing. Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5. Muncie 4 Speed & GM Manual Transmissions Buy Sell Trade. The preceding Saginaw 4 speed was iron cased. Tremec - Borg Warner - New Venture - Getrag, Cummins, Cummings, T-56, T56, 4 speed transmission, 5 speed transmission, 6 speed transmission, new, aftermarket. Gear Ratios: Years: Type: 1st: 2nd: 3rd: 4th: Reverse: 1963-1965: M-20: 2. 59 Even a very low 4. 0000026716 00000 n 0000004874 00000 n Corvettes saw installation by May through June of 1963. The ratio of the four-speed transmission placed in any car was usually determined by the engine size and rearend axle ratio. Typically, the M20/M21 gearsets have a first-gear helix angle of 26. I believe Muncie reverse is higher than Ford reverse (sure feels like it!!!). The M-22 was only produced in a close-ratio version, so it will not appear on models with high rear-axle ratios (3. Change the rear ratio to 3. These words are very similar for the M20 and T10 but with some slight ratio differences depending on model. Trans Code Format: tymdds where: t = transmission type MANUAL AUTOMATIC S = Saginaw 3-speed A = 68/69 L6 Torque-Drive K = McKinnon 3-speed C = Cleveland Powerglide H = 69 Muncie HD 3-speed T = Toledo Powerglide R = 4-speed Saginaw B = Cleveland TH350 P = 4-speed Muncie X = Cleveland TH350 Y = Toledo TH350 y = model year (not calendar year) m = month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec --- --- --- --- --- --- --- --- --- --- --- --- A B C D E H K M P R S T dd = day of month s. MUNCIE M20 M21 4-SPEED TRANSMISSION MAIN SHAFT OUTPUT SHAFT 27 SPLINE. About 3 years ago I put the original 4 speed back in my 1969 442. 1966-1970 Muncie 4 Speed Input Gear 2:52 Ratio 21 Teeth in Automotive, Parts & Accessories, Car & Truck Parts, Transmission & Drivetrain, Manual Transmissions & Parts, Manual Transmission Parts | eBay. M-20 wide ratio 71-74. 72) high-performance applications Rated at 600+ft/lbs; 26-spline input shaft with a 31 spline output shaft for added strength. In this case you get 19 or 20 (depending on how you “round” the answer): (7 x 3. 97 first gear of the G92 T56 and 3. 10:1 Gear Ratio Holley 4 Barrel Carburetor Dual Plane Aluminum Intake Muncie M21 Close Ratio 4-Speed Manual Transmission Cast Aluminum BellHousing High Torque Starter Cold Air Intake on Air Cleaner Chrome Valve Covers Hoses and Belts are in Good Shape Recent Alignment Power Front Disc Brakes Power Steering. The M21 and M22 are the same tranny. Close Ratio Manual M40 = TH400 Automatic (no RA IV Formulas made). If you have any question ask before bidding. Unfortunately, we were unable to display the search results from eBay at this time. A continuously variable transmission (CVT) has a nearly infinite range of gear ratios. 73 x 747) ÷ 1001 = 19. Richmond makes the T10 with 2. CHART 5-SPEED TRANSMISSION I. So the pinion is an extension of the driveshaft and the ring is around the axles. 82:1 Low Gear Ratio. Guide to Muncie M20, M21, and M22 Four-Speed Transmissions superchevy. 30 + C $125. 76 shipping estimate. Have the matching 65-74 396 engine all set and totally rebuilt to drive. 91:1: Third Gear: 1. 1970 maverick 3 speed toploader transmission 10/28 spline(US $495. 36, fourth is. 72) high-performance applications Rated at 600+ft/lbs; 26-spline input shaft with a 31 spline output shaft for added strength. Casting: 3925660 Years: 1968 - 1970 Ratios: M20 2. 76 shipping. 1969-1976 MUNCIE 3 SPEED TRUCK TRANSMISSION 1ST GEAR 32 TEETH. The large cast iron case with large bulge on the passenger sidemakes it easy to identify. Muncie Design Changes 9 Available Gear Ratios 12 Chapter 2: Muncie 4-Speed Identification 16 Muncie RPO Codes 17 Main Case Casting Numbers 17 Serial Numbers 17 Main Cases 18 Service Cases and Transmissions 22 Extension Housings and Sidecovers 22 Midplate Castings 25 Ratio Identification 25 Hardware and Tags 27 Chapter 3: How Muncie 4-Speeds Work 29. 2 13 speed transmissions require adapter 40TU6810-2 for clearance. WILL WORK IN ALL 63-74 GM CARS WITH 10 or 26 SPLINE CLUTCH DISK. Transmissions- The standard 3-Speed transmission available only with the 300-hp engine has these gear ratios: first- 2. The five speed option is for the last gear of a transmission greater than four speeds. (Rockwell Parts Pricing File)Below is a complete list of free downloads for Rockwell Transmission, Differential, Transfer Case and Axle parts manuals, parts breakdowns and parts lists in PDF format to assist you in identifying the parts you will need to rebuild or repair any Rockwell Transmission, Differential. 52 gear(not a saginaw, but a muncie trans). 73 axle ratio : Positraction : GV2 : 3. All B-W ODs overdrive function at a 0. May need rebuilt. Tremec - Borg Warner - New Venture - Getrag, Cummins, Cummings, T-56, T56, 4 speed transmission, 5 speed transmission, 6 speed transmission, new, aftermarket. 43:1 (Close ratio) Turbo Hydra-Matic 400 - 1968 through 1977: Located on a plate attached to the vertical surface of the transmission case above the right-rear corner. They had about the same first gear ratios as the 4 speed. Written By Muncie Transmission Expert Paul Cangialosi 144 Pages, 451 Color Photos And Charts Soft Bound, 8. Muncie also had a second close-ratio transmission coded M22 and known as the "rock crusher," which was used behind performance big-block engines and in some Corvettes. If you multiply trans gear ratio x rear gear x engine torque you can see the effects of gear. Alignment basics are discussed as wel. Transmission Gear Ratio Chart Transmission 1st 2nd 3rd 4th 5th 6th Rev Aisin AX-5 3. 1 POWER FLOW The transmission PTO drive gear is driven by the torque converter turbine. The 1971 transmissions were the same as from previous year, except that the M-21 close-ratio 4-speed transmission was replaced with a stronger version of the Mun­cie close-ratio gearbox the famous M-22 “Rock Crusher” 4-speed. Any info would be appreciated. No other book goes into this much detail on the identification of the Muncie 4-speed, available parts, selection of gear ratios, and the rebuild process. The SM465 can be found in Chevrolet and GMC full-size trucks, Blazers, Suburbans, among other models. If you use spur-type gears, the maximum. It’s a Muncie 4 speed wide ratio original to the car (1965 Pontiac GTO), and currently refuses to go into reverse, 3rd, and 4th gear. It's ratios were 2:20 first, 1. or Best Offer +C $22. From the smallest part to complete conversion kits, Brewer's Performance is dedicated to helping you keep your original 4-speed Mopar shifting smoothly. There are several versions of the Muncie 4 Speed, Muncie M21 & M22 the SM465's and the SM420's. The 1963 transmission had a smaller front input shaft bearing and a specific front bearing retainer with a smaller outside diameter than the Muncie transmissions from 1964 and up. NEW DESIGN MUNCIE M22 ROCK CRUSHER CLOSE RATIO 4 SPEED. 42 1st gear. 4 degrees and an input shaft angle of 39 degrees. 2 Engine driven drive gear requires that the engine be turned off before engaging and disengaging PTO. M-21 close ratio 63-65. Muncie M21/M22 (Also M20 and BW T-10) Gear Vendors owes a lot to the Muncie close ratio trans. New Muncie M20 2. The M-22 was only produced in a close-ratio version, so it will not appear on models with high rear-axle ratios (3. WILL WORK IN ALL 63-74 GM CARS WITH 10 or 26 SPLINE CLUTCH DISK. RICHMOND GEAR DOUG NASH/ G-FORCE 5-SPEED (467) BORG-WARNER T-5, FORD (465) Internal Rail BORG-WARNER T-56, G. The other 4-speeds moved the reverse gearset out to the tailshaft area, leaving 4 good sized gearsets in the main case. 73 x 747) ÷ 1001 = 19. However, note also that (20/7) × (30/20) = 4. " The M-22 was generally installed behind extremely powerful big-block engines. Any info would be appreciated. The large cast iron case with large bulge on the passenger sidemakes it easy to identify. To keep the same rpm and be in 6th gear, the cruise speed goes up to 99. Originally out of a 1964 Pontiac GTO. And most of those guys wind up with 4. Get the best deals for muncie 4 speed transmission m21 at eBay. I have a wide ratio Muncie I used to run in a 72 Nova. ) How to Calculate True Tire Diameter: MPH Calculated Results All Transmissions Auto - without Overdrive: Auto - with Overdrive: Manual - 3 & 4 Speed - High Gear: Manual - 5 & 6 Speed - High Gear. Home › Tech Vault › 3. Gear ratios are as follows 1st-6. Listed is a 1964 Muncie wide ratio M20 4 speed transmission. THE MAIN CASE IS THE STRONGEST MADE with fill and drain plugs. FOR SALE - Buffalo, NY - Autogear M22Z 4 speed. This is a Completely and Freshly Professionally Rebuilt Original REAL 1968 68 Chevy, Corvette, Camaro, Chevelle, Full Size Pontiac, Firebird, GTO, Tempest, Olds 442, Buick, Etc. *Overdrive distinguished from 3-Speed by physical appearance only. The Saginaw will survive serious abuse if the rear end ratio is high numerically or the car is light – I had a street rod with 4. or Best Offer +C $1,313. According to CBN the low perf Saginaw 3spd in 6 cyl would be 2. 70: n/a: Saginaw 3-speed: 1st: 2nd: 3rd: n/a: n/a: Saginaw 3-speed –. No other book goes into this much detail on the identification of the Muncie 4-speed, available parts, selection of gear ratios, and the rebuild process. 52:1 first gear. 185 pound cranking compression. Output shafts in early versions had 23, 26, or 30 splines. 20:1 ratio M21 four-speed. The large cast iron case with large bulge on the passenger sidemakes it easy to identify. ZR1's with a 2. Low profile housing provides easier mounting and is available with various outputs, ratios as well as either electric over hydraulic or air shift options. INCLUDES: 26 TOOTH, 10 SPLINE INPUT SHAFT (AWT297-16U) INCLUDES 1ST (36T, WT297-12B), 2ND (30T, WT297-21A), & 3RD (27T, WT297-11A) GEARS. Muncie also had a second close-ratio transmission designated M22 and often referred to as the "rock-crusher," which was used behind the highest-performance engines and in Corvettes, the M22 is a highly sought-after performance transmission. Typically, the M20/M21 gearsets have a first-gear helix angle of 26. M13 B-W T85 H-D 3-speed M20 B-W Early T10 L-D Wide Ratio 4-speed (Chevy short tail) 1962 M11 Early Muncie L-D three-speed M13 B-W T85 H-D 3-speed M20 B-W Early T10 L-D Wide Ratio 4-speed (short tail) M20 B-W T10 L-D Wide Ratio 4-speed (long tail). Obviously you will need a 4 speed shifter. THE MAIN CASE IS THE STRONGEST MADE with fill and drain plugs. 70 axle ratio : Positraction : GS5 : 4. RICHMOND GEAR DOUG NASH/ G-FORCE 5-SPEED (467) BORG-WARNER T-5, FORD (465) Internal Rail BORG-WARNER T-56, G. These are easy to adapt to a wide range of hot rods. 46], not too bad for a 427 cubic inch engine with plenty of low rpm torque. The car was pretty much stripped out except for the full-of-water 455 & tranny. 23 and you still have good off the line and a nice highway ratio. 86 60' times. The wide-ratio Muncie M20 was available with any of the high-performance engines, except. The Muncie was the top high-performance manual transmission General Motors offered in its muscle cars of the 1960s and early 1970s. I did have to trim for the shifter hole a small amount and have my drive shaft shortened. Wallace Racing BACK to Calculators Speedo Gear Calculator. 87 / 2nd: 1. The Muncie M21 is a close-ratio unit originally. Transmission came out of a 1972 Pontiac LeMans 455. If you change tire size or rear-end gear ratio, your speed and odometer will be off. novak-adapt. or Best Offer. (ZERO MILES SINCE BUILT). That's fine in something like a big block Nova that is light and has tons of torque to spare. The Saginaw will survive serious abuse if the rear end ratio is high numerically or the car is light – I had a street rod with 4. 94 final drive was used in the 92-93 Quad 4 hi-performance with the W41 option. Read "Muncie 4-Speed Transmissions How to Rebuild & Modify" by Paul Cangialosi available from Rakuten Kobo. ) Tire Height (32, 33, 35 etc. The above transmissions (exc. Muncie M22 4 Speed Transmission Gear Set 2. Watch; N L 8 8 Y L D S N p o n s o r 7 e d G B. If you use a large-diameter eight-tooth gear, you may want to switch to a seven-tooth gear. 46/1 ('66 and up). The cable is then connected to the speedometer. The ratio of the four-speed transmission placed in any car was usually determined by the engine size and rearend axle ratio. xx M21 and M22 have same ratios 2. It is driven by the input shaft with 21 teeth. Muncie and Borg-Warner T-10 and Super T-10 4-speed manual transmissions sit underneath the car hidden away like a groundhog burrowed deep in a ground hole. The low is usually something like 1. This is by far the "BEST" replacement aluminum case ever built for a Muncie!. And most of those guys wind up with 4. I'm looking for something good enough to convince the NHRA to allow me to run a 4 speed behind a 230(first choice) or 250. Muncie Transmission Decoding The Muncie 4-speed transmission was to readily identify. 20:1 ratio M21 four-speed. 7 new Muncie 4 Speed Transmissions For Sale results have been found in the last 90 days, which means that every 13, a new Muncie 4 Speed Transmissions For Sale result is figured out. Note 3: M-21/22 gear ratio: 1st 2. 00 that you see on chart. Any new EXTREME transmission is available set up for a Torque Converter Drive Unit at no extra charge. 56 axle ratio : GT2 : 2. Paul Cangialosi shows you how a Muncie side cover mechanism works and installs a new Hurst Shifter on a Muncie 4 Speed. 73 axle ratio : GS3 : 3. 54 rear gear and a. The five speed option is for the last gear of a transmission greater than four speeds. Our customers are all over the United States, Canada, South Africa, United Kingdom, and Austrailia. Our combined first gear ratio would be [3. This is a BEEFY version of the original Rock Crusher transmission. The charts show which drive & driven gears are compatible. A lower gear ratio, but a higher number) For this reason, the M-could be teamed up with a lower ratio rear like a 3. To keep the same rpm and be in 6th gear, the cruise speed goes up to 99. The wide-ratio Muncie M20 was available with any of the high-performance engines, except. Plug the tooth counts into the above formula and you get a first-gear ratio of 2. Drive Gear Teeth - Number of teeth on the transmission side of things Rear End Ratio - Rear Gear Ratio (3. Rebuilt internals from an M20 into an M21 casing due to damage to it’s original case. ALL the Muncie car 4 speeds are aluminum case-no exceptions. Most common was the 2.   M20, (M-20), Muncie Wide Ratio 4 Speed Transmission,  (no aftermarket or imported gears). I did have to trim for the shifter hole a small amount and have my drive shaft shortened. 70:1 Fourth - 1. 00 / 5th: 0. Get the best deals for muncie 4 speed transmission m21 at eBay. It was actually based on the T10 design and uses the same basic gear layout. Examples: R7S21 Saginaw 4-speed, Nov 21, 1966 P8R01 Muncie M2x 4-speed, Oct 01, 1967 P9T11B Muncie M21 4-speed, Dec 11, 1968 C9D14N PowerGlide M35 2-speed auto, Apr 14, 1969, night shift. Hydraulic clutch design. Unfortunately, we were unable to display the search results from eBay at this time. Manual Transmission Gear Ratio Charts for GM/Chevy Vehicles Posted by OnAllCylinders Staff on October 27, 2017 at 12:44 pm Gear ratio affects a variety of driveline combinations, so it's important to know what the gear ratios are for a gearbox you might be swapping into your ride. Muncie and Borg-Warner T-10 and Super T-10 4-speed manual transmissions sit underneath the car hidden away like a groundhog burrowed deep in a ground hole. Muncie 4 Speed and similar listings - Vehicles For Sale in Des Moines area (+50 miles): 1969 Pontiac GTO in Urbandale, 1970 Chevrolet Chevelle, 1969 Chevrolet Corvette, 1966 Chevrolet Corvette, 1973 Chevrolet Camaro. 1972 and earlier use coarse (10) clutch disc. Gary S said: A M20 or M21 will work well with any ratio from around 3. 73 - Posi - Casting Date: E187 (April/18th/1967) - Suffix: CZ 0606B. Ford Mustang Z SPEC 2. Click To See the Best Prices on Chevrolet 3 Speed Transmission On eBay If you drive much more on the freeway, idling never happens, however in traffic congestion, you have the tendency to idle a great deal, which puts great heat on the. View Details. Robust design with an internal 3-rail shift system. 00 that you see on chart. https://www. 76 shipping estimate. 68 1st gear, 3. com : Calculators: Racing Photos: Race Car Setup: GM Saginaw 3 Speed Transmission Ratios: GM Saginaw transmission ratio is determined my the number of grooves machined on. Type: Four Speed. I've been told it is a 3 spd Muncie, has synchronized 1 gear, 3. 76 shipping estimate. The driven gear is the one which is "driven" by the "drive" gear, and is connected to the speedometer cable. This transmission is great for rock crawling as well as towing with it's 6. 0000026716 00000 n 0000004874 00000 n Corvettes saw installation by May through June of 1963. 56:1: Second Gear: 1. 73 axle ratio : GM8 : 2. Chrysler's new PT Cruiser has a 2. 375″ OD throwout bearing guide tube. I have a '69 Z28 with 3. 64:1, 3rd 1. Please click the link below to search eBay directly for listings related to Chevrolet 3 Speed Transmission. 73 ] GEAR RATIO CALCULATOR. The transmission listed on the build sheet you sent me is indeed the Heavy Duty 3-speed transmission I spoke of in the a recent Auto Roundup/Car Collector Corner. The wide-ratio Muncie 4-speed transmission was marketed under RPO M20. Muncie 4-Speed Manual Transmission Transmission # 3985010 - Suffix: P7E23 - Transmission Assembled May/23rd/1967. Obviously you will need a 4 speed shifter. Includes 1st, 2nd, 3rd ,. 52 1st , M21 2. Buy It Now. 42 1st gear. Muncie M21 and M22. 68, 3rd of course is 1. The drive gear is the one which is turned by engine power, usually mounted right on the transmission output shaft. Cases are either small. 16:1: M20 Wide-Ratio 1966-'74: First Gear: 2. May 21, 2019 - The Gear Box is your online source for t56 transmission parts,t5 transmission parts,borg warner t56,muncie transmission,t10 transmission,super t10 transmission,3550 transmission parts,manual transmission parts,t56 transmission overhaul kit, t56 transmission rebuild,rebuilding a transmission,transmission shift fork,t56 …. I've been told it is a 3 spd Muncie, has synchronized 1 gear, 3. So the rear axle ratio would be one of the following 3:36 3:55 or 3:70 for an 1971 LT-1. 52 1st , M21 2. 22nd March 2021 / Uncategorised. Any info would be appreciated. or Best Offer +C $22. The Getrag 282 transmission was a 5-speed manual transaxle designed by Getrag for Chevrolet. Tremec - Borg Warner - New Venture - Getrag, Cummins, Cummings, T-56, T56, 4 speed transmission, 5 speed transmission, 6 speed transmission, new, aftermarket. The M21 and M22 are the same tranny. RICHMOND GEAR DOUG NASH/ G-FORCE 5-SPEED (467) BORG-WARNER T-5, FORD (465) Internal Rail BORG-WARNER T-56, G. 52:1; second- 1. 56:1: Second Gear: 1. of torque capacity and is capable of engines speeds of 8,000 RPMs with shifts at 7,500 RPMs. The transmission looks good. Hurst manual shifters have been part of legendary American muscle cars for a reason: they provide perfect transmission control for 3, 4, 5, and 6-speed manual transmissions. All of them are very, very, wide because they were mostly used in TTs. The biggest ration is 6. The All New TREMEC TKX 5-Speed! TCET17805 GM 26-Spline.