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2021-7-24 How To Identify A M Rock Crusher Crusher. How To Identify An M Rock Crusher Transmission Impact. How to id a muncie rock crusher how to identify a m22 rock crusher it still runs every gm rock crusher has a casting number with which you can easily identify a An M-22 "Rock Crusher" is a Muncie four-speed transmission for cars made by General Motors in the 1960s. Identify a transmission type correctly before fitting it into your car. If you have the incorrect transmission, your car may not function properly. You can identify several unique 2021-9-16 How To Id A Muncie Rock Crusher. Muncie identification the hamb. 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 M22 Rock Crusher. Muncie m22 quotrock crusher 4 speeds from 1965 to 1974 this page is devoted to oem complete units new aftermarket units and oem parts and nos parts this is an New Super Heavy Duty Direct Replacement and Strongest M22’s Made With Muncie Auto Gear Super Case and Strongest M22 Close Ratio or Wide Ratio 2010-2-21 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 2022-5-19 The Muncie case (3831704) replaced the T10 4-speed in the 1963 Chevrolet Bel Air and Corvette by mid-May of that year. The T10 front bearing size was reduced in diameter in 1963 only. The “ID” groove system was 2006-11-26 Muncie "rock crusher" vs. TKO 600 The naysayers are saying "nay", again!! Id take a wide ratio anyday over a close ratio. I use the m-20 muncie. A lower first gear for a 2009-3-30 TonyMemberfrom Rochester NY. USA. ""You can outfit an M20 or M21 with Rock Crusher type gears, OR actually make a 3 speed O/D out of a 4 speed case. Forth being the 2014-9-4 It was primarily designed as a road race transmission. The straighter angle of the gearset produced less heat and less end loading of the gear train. Combined with high impact alloy gears this 4 speed really pushed the limits of New Super Heavy Duty Direct Replacement and Strongest M22’s Made With Muncie Auto Gear Super Case and Strongest M22 Close Ratio or Wide Ratio Gears. 10 OR 26 spline input and large 27 OR 32 spline output shaft. C355 2010-2-21 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 gears). CURRENTLY UNAVAILABLE UNTIL SPRING-TAKING ORDERS. $2399.00 PLUS S/H + ASSEMBLY FEE of $225.00. OPTIONS YOU CAN ADD: $150.00 MICRO SUPER FINISH. $35.00 THRUST BUTTON FOR HEAVY LAUNCH AND DOWNSHIFT CASE SUPPORT. SUPER ROCK CRUSHER M22 650 HP. CALL for orders. STRONGEST Direct Replacement M22 With NEW Muncie AUTO GEAR SUPER CASE With The Strongest M22z ULTRAWIDE RATIO 4 SPEED TRANSMISSION. A GREAT HEAVY DUTY ROCKCRUSHER FOR YOUR 2003-8-20 Many people have guesses about deciphering M-22s. Like grooves in the input shaft and numbers and etc etc The only way to tell is to open the case and measure the gear angle from the shaft centerline. M-20 and M-21 have 45 degree gears and M-22 have 22.5 degree gears. Fresh M-22s are going for $1300-$1600. This a BRAND NEW SUPERCASE M22 Muncie Rockcrusher Style Transmission. This is a BEEFY version of the original Rock Crusher transmission. Most all the weak points of an original Muncie have been solved by the Super-Case 2006-11-26 Muncie "rock crusher" vs. TKO 600 The naysayers are saying "nay", again!! Id take a wide ratio anyday over a close ratio. I use the m-20 muncie. A lower first gear for a radical cam would be better drivablility if street driven.(muncie's lacks there) -Ed Nelson 2009-3-30 TonyMemberfrom Rochester NY. USA. ""You can outfit an M20 or M21 with Rock Crusher type gears, OR actually make a 3 speed O/D out of a 4 speed case. Forth being the overdrive obviously.. Actually the 3rd gear station becomes the OD and the 4th gear station becomes 3rd,so the shift pattern is a little weird,1-2-4-3. 2022-5-14 Muncie 4-speed Transmission (Group 4.000) Casting Numbers. (1) All M22 applications except 454 engine. (2) All 454 Chevelle applications. The M22 was produced in 1973 and 1974 for other GM divisions. All wide ratio 2001-1-3 The older cast iron T10's are weak. Muncies replaced them in about'63 in Chevys because a stronger trans was needed. The aluminum case Super T10 is a whole different animal. It was brought out around '73 (approx). It is as strong or stronger than a Muncie M22. An NHRA Stock Elim guy I know runs a Super T10. The M22! This iconic transmission is based upon the infamous “ROCK CRUSHER” Transmission made famous in the 60`S AND 70`S by being installed in the L-88`S, BIG BLOCK 425 HP Factory Muscle Cars and HOT RODS of Ad id: 2810209384312102; Views: 77; Price: This is a super nice m22 rock crusher trans, it all rebuilt and guaranteed, has all new gears in it, the case has been bushed also. It is the close ratio trans, it a very early 66 trans, asking 1900. Call dave call dave 352two16227three 1966 m22 rock crusher muncie 4 speed $1,900 (Commerce ga) The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963 through 1974. The basic design and operation theory of the gearbox changed little during this period, however several design upgrades and modifications were made during the total production run. M-22 “Rock Crusher” Identification 2003-8-20 Many people have guesses about deciphering M-22s. Like grooves in the input shaft and numbers and etc etc The only way to tell is to open the case and measure the gear angle from the shaft centerline. M-20 and M-21 have 45 degree gears and M-22 have 22.5 degree gears. Fresh M-22s are going for $1300-$1600. This a BRAND NEW SUPERCASE M22 Muncie Rockcrusher Style Transmission. This is a BEEFY version of the original Rock Crusher transmission. Most all the weak points of an original Muncie have been solved by the Super-Case 2006-11-26 Muncie "rock crusher" vs. TKO 600 The naysayers are saying "nay", again!! Id take a wide ratio anyday over a close ratio. I use the m-20 muncie. A lower first gear for a radical cam would be better drivablility if street driven.(muncie's lacks there) -Ed Nelson 2009-3-30 TonyMemberfrom Rochester NY. USA. ""You can outfit an M20 or M21 with Rock Crusher type gears, OR actually make a 3 speed O/D out of a 4 speed case. Forth being the overdrive obviously.. Actually the 3rd gear station becomes the OD and the 4th gear station becomes 3rd,so the shift pattern is a little weird,1-2-4-3. 2022-5-14 Muncie 4-speed Transmission (Group 4.000) Casting Numbers. (1) All M22 applications except 454 engine. (2) All 454 Chevelle applications. The M22 was produced in 1973 and 1974 for other GM divisions. All wide ratio 2008-10-30 The M-22 gear teeth are cut at a noticeably lower angle (not quite at a straight angle as some people say). This lower angle of the teeth imparts greater strength to the gears, but it also increases the noise caused by the meshing of the gears. This higher level of noise is where the nickname "Rock crusher" originated. 2022-5-19 Muncie 4-speeds have varying helix angles in the gearsets. Typically, the M20/M21 gearsets have a first-gear helix angle of 26.4 degrees and an input shaft angle of 39 degrees. The reduction in the angle with the M22 is quite 
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