The 2.56:1 ratio is commonly referred to as the M20. 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.
Aug 07, 2018· He tells us both the M20 wide-ratio and M21 close-ratio transmissions were first offered in 1963. The M22 Rock Crusher would come later to accommodate the heavy twist of
Aug 03, 2018· He tells us both the M20 wide-ratio and M21 close-ratio transmissions were first offered in 1963. The M22 Rock Crusher would come later to accommodate the heavy twist of
New Muncie M22 2.20 close ratio or 2.52 wide ratio Rockcrusher gear set is availabe with either a 10 or 26 spline input. Close ratio 26 spline gear sets available in Italian or Korean made. You must select whether you need a wide or close ratio & which input spline count, 10 or 26. Fits all Muncie applications with 1" countershaft pin, 1966-74.
A great Super Heavy Duty Rock Crusher M22 for your Camaro, Nova, Chevelle, Corvette or other GM car. Close Ratio = 2.20-1st, 1.64-2nd, 1.28-3rd, 4th direct. Wide Ratio = 2.56-1st, 1.75-2nd, 1.36-3rd, 4th direct or comp M22w 2.56-1st, 1.90-2nd, 1.48-3rd. Built for big HP.
People think all Muncie four-speeds are Rock Crushers, but they’re not. Nowadays there are custom gear ratios and set ups, including M21 wide-ratio and M22 wide-ratio units. You can pretty much get what you want. Beefed up boxes for hot rods and Resto-Mods are popular, too. “ When rebuilding a Muncie four-speed you can take a ’65 case and
Muncie M22 Rockcrusher Close, Wide and NEW Extra-Wide (2.98) Ratio Gear Set Italian or Korean made New Muncie M22 2.20 close ratio, 2.52 wide ratio, or NEW 2.98 'Z' Ratio Rockcrusher gear set is availabe with either a 10 or 26 spline input. You must select whether you need a wide or close ratio & which input spline count, 10 or 26. From $540.00
Muncie Transmission ID and Ratio Guide. Series: Gear Ratio 1st, 2nd, 3rd, 4th: Spline Input: Grooves Input: Cluster Pin : Tooth Count Input: Tooth Count 4th Cluster: Output Spline: M-20 wide ratio 63-65 M-20 wide ratio 66-70 . M-20 wide ratio 71-74 . M-21 close ratio 63-65 . M-21 close ratio 66-70 . M-21 close ratio 71-74 . M-22 close ratio 65
Feb 25, 2012· A wide ratio Muncie (2.52) with 3.42 rear would have an effective first gear of 8.6, the same rear with a close ratio Muncie first gear (2.20) would be 7.5. The higher effective first gear gives you better torque multiplication to get moving.
People think all Muncie four-speeds are Rock Crushers, but they’re not. Nowadays there are custom gear ratios and set ups, including M21 wide-ratio and M22 wide-ratio units. You can pretty much get what you want. Beefed up boxes for hot rods and Resto-Mods are popular, too. “ When rebuilding a Muncie four-speed you can take a ’65 case and
Jul 15, 2013· You want the 2.56 first gear, I have the m22 wide ratio maserio gears with a 4.30 in the vette and a m20 with 4.10's in the Camaro, make sure you bush the case and use A steel mid plate. 69 Copo 9560 ZL-1 automatic ,1.95 on f70-14 polyglas F.AS.T. Race June 2016
2013-5-6our muncie m22 rock crusher transmission is wholesale priced while maintaining a strict standard of quality call us toll free 1-888-995-7278 new muncie m22 close ratio or wide ratio rockcrusher gear set is availabe with either a 10 or 26 spl.
21/02/2010· Although some claim that the M23 is a 'rock crusher', it is indicated that this box was assembled in both wide and close ratio components and also with straight cut gears common to the rock crusher (M22) transmission. Looks like you have a second design-feb. 28th, 1968, M20 or M21. Definitely not a rock crusher(no straight cut
We have complete M22 aftermarket gear sets, both 10 and 26 spline Inputs and either Close (2.20 first gear) or Wide Ratio (2.52 first gear). The Wide Ratio M22 gear set is based on the 2.52 first gear ratio's and is available in both 10 and 26 spline Inputs.
Muncie Rock Crusher Gears hoergeraete-linden.de. M22 rock crusher gear ratio Chevy m22 rock crusher transmission the m22 transmission has a 20 degree helix angle on the gear set as thus the nickname rock crusher was note ct0 chevrolet, transmission, 1970 and new design muncie m22 rock crusher close ratio 4 speed this is the m-22.
It is sometimes referred to as the “close ratio” trans as the gear ratios are closer together in comparison to the M20. M22, the rarest of the bunch. It’s nickname is the “rock crusher” due to the noise generated by the gearset. The gear ratios are the same as in the M21, but the tooth angle is different.
The new Muncies being built today have some better ratios.Today's examples of the new car gear set ups are Mustang GT's with a 3.35 1st gear and 3.08 rear. New Camaros with a 2.68 1st gear, 3.73 rear gear and .59 overdrive. ZR1's with a 2.68 1st gear, 3.54 rear gear and a .59 overdrive. Get the picture?
New Muncie M20 2.52 Wide Ratio OR M21 2.20 close ratio gear set. From $419.00 . Muncie M22 Rockcrusher Close, Wide and NEW Extra-Wide (2.98) Ratio Gear Set Italian or Korean made . New Muncie M22 2.20 close ratio, 2.52 wide ratio, or NEW 2.98 'Z' Ratio Rockcrusher gear set is availabe with either a 10 or 26 spline input. You must select
Just three types of Muncie 4-speeds are available based on the RPO (regular production option) code used when a car was ordered: the M20 (standard wide-ratio), M21 (close-ratio), and M22 (heavy-duty close-ratio). (The M does not stand for “Muncie.”) Typically, when you ordered a GM car you had standard options and accessories installed.
Muncie M22 Rock Crusher Identification Muncie Identification The H.A.M.B. Feb 21, 2010 Although some claim that the M23 is a rock crusher, it is indicated that this box was assembled in both wide and close ratio components and also with straight cut gears common to the rock crusher (M22) transmission.
Jun 13, 2017· The Muncie four speed was produced in two ratios: the wide ratio (M20) and the close-ratio (M21). That being said, there was a second, close-ratio version (M22) that was developed to survive duty behind engines with a higher torque output, and was known as the “Rock Crusher.”
Muncie Rock Crusher 5 Speed Transmission. muncie rock crusher speed transmission Speed Rock Crusher Transmissionselezneff. what is a rock crusher transmission Yahoo Answers. Apr 30 2009 The Rock crusher was the M-22 Muncie close ratio 4 speed transmission favored in the 60 s GM hot rods.Well balanced smooth shifting and after 60 Aluminum cased.
M22 rock crusher for 1968 z pflege-kompetenzteam.de. M22 rock crusher for 1968 z. Muncie m22 parts accessories SKD muncie 4 speed rock crusher gear set 1968 muncie m22 4 speed transmission close ratio main case 3925660 has a rebuilt 1969 muncie m22 rockcrusher close ratio trans nova chevelle camaro z28 get price.
21/02/2010· Although some claim that the M23 is a 'rock crusher', it is indicated that this box was assembled in both wide and close ratio components and also with straight cut gears common to the rock crusher (M22) transmission. Looks like you have a second design-feb. 28th, 1968, M20 or M21. Definitely not a rock crusher(no straight cut
2013-5-6our muncie m22 rock crusher transmission is wholesale priced while maintaining a strict standard of quality call us toll free 1-888-995-7278 new muncie m22 close ratio or wide ratio rockcrusher gear set is availabe with either a 10 or 26 spl.
Muncie M22 Rock Crusher Identification Muncie Identification The H.A.M.B. Feb 21, 2010 Although some claim that the M23 is a rock crusher, it is indicated that this box was assembled in both wide and close ratio components and also with straight cut gears common to the rock crusher (M22) transmission.
Muncie M22 4 Speed Rock Crusher Gear Set. New Muncie M22 2.20 close ratio or 2.52 wide ratio Rockcrusher gear set is availabe with either a 10 or 26 spline input. Close ratio 26 spline gear sets available in Italian or Korean made. You must select whether you need a wide or close ratio which input spline count 10 or 26.
We have complete M22 aftermarket gear sets, both 10 and 26 spline Inputs and either Close (2.20 first gear) or Wide Ratio (2.52 first gear). The Wide Ratio M22 gear set is based on the 2.52 first gear ratio's and is available in both 10 and 26 spline Inputs.
Muncie also had a second close-ratio transmission called an M22, which enthusiasts christened Rockcrusher; this was used in performance big-block engines and Corvettes and is a highly sought-after performance transmission today, and is the heavy-duty version of the 2.20 ratio M21 4-speed.
Muncie Rock Crusher 5 Speed Transmission. muncie rock crusher speed transmission Speed Rock Crusher Transmissionselezneff. what is a rock crusher transmission Yahoo Answers. Apr 30 2009 The Rock crusher was the M-22 Muncie close ratio 4 speed transmission favored in the 60 s GM hot rods.Well balanced smooth shifting and after 60 Aluminum cased.
M22 rock crusher for 1968 z pflege-kompetenzteam.de. M22 rock crusher for 1968 z. Muncie m22 parts accessories SKD muncie 4 speed rock crusher gear set 1968 muncie m22 4 speed transmission close ratio main case 3925660 has a rebuilt 1969 muncie m22 rockcrusher close ratio trans nova chevelle camaro z28 get price.
Jul 05, 2016· The Muncie four-speed transmission was used with many different models and engine combinations from 1963 through 1974. heavy-duty close-ratio version: the "Rock Crusher
Jun 22, 2016· While vehicles with an axle ratio of 3.55 and lower usually used a wide-ratio transmission. Several things are needed to identify a Muncie four-speed transmission correctly.
Aug 23, 2020· 1967 Chevy Corvette M21 Close Ratio Muncie 4 Speed . Muncie M-21 4 speed transmission, it was rebuilt from the rock crusher with angled cut gears(not the straight rock crusher noisey type) set up with less than 6k miles. input shaft cover housing muncie transmission
Apr 07, 2017· For the kind of driving you mention I'd go with a wide ratio transmission, first gear will be 2.52 compared to 2.20 in a close ratio box. Fordors, Apr 6, 2017. The Muncie M20 is the better choice if the rearend gears are numerically lower, such as 3.08's, as it has a 2.56 first gear as compared to the M21's 2.20 first gear.
Aug 08, 2020· Chevy Gm New Muncie M22 Rock Crusher Wide Ratio 4 Speed Transmission . Brand New Muncie M22 Rock Crusher Wide Ratio 4 Speed Transmission 10 Spline Input Shaft And 32 Spline Output Shaft With Ultra Have Duty Case And Gear Set . A DIRECT REPLACEMENT FOR YOUR OLD MUNCIE OR T-10 . Transmission Stand Included . Transmission Gear Ratio . 1 ST 2.52. 2
Muncie Gear Set Early 78 Case M20 Wide Ratio, Rebuild Kit, Sliders . $649.00. Chevy Muncie . Chevy Muncie 4 Sp M20 Gear Set-rebuild Kit-sliders+more Wide Ratio 10 Spl. Input. Muncie M22 4 Speed Gear Set 2.20 Ratio Rock Crusher 10 Spline Input. $369.10. Muncie M22 . Muncie M22 4 Sp Gear Set 26 Spline Input 2.20 Close Ratio Rock Crusher Trans
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