The lower helix angle for the M22 was used to decrease running temperatures for road racing purposes. The lower angle also decreases the end thrust load on the case. The M22 were also stronger, IMHO, due to a larger 1st gear tooth cross-section area and the 9310 gear material vs. the 8620 material that the M20/M21 gears were made from.

how to identify a m22 rock crusher | muncie m rock crusher parts. Muncie M22 Rock Crusher 4 Speed Vin Tag 1970 thru · This is a very clean Muncie M22 With Build Tag asking 1.400 .00For it and you can reach me on this video if you want it Just email me Thanks for watching Muncie also had a second close-ratio transmission coded M22 and known as

800 CFM edelbrock 4bbl carb -headers & dual exhaust -Muncie M22 "rock crusher" transmission -3.73 posi limited slip diff The car is an excellent driver quality vehicle. Please see my walk around video here: 1974 Camaro Z28 with big cam walk around and exhaust The vin is 1Q87T4N224182.

Jul 10,  · Thus, bottom line, ONLY the M22 is "properly" nicknamed as "Rock Crusher". And, some people, who just flat do not know what they are talking about (BS'ers), or they just want

The only transmission avalable with LS5-LS6 Your choice T-400 or an M22. All 70 454s Vells had a M-22 or a T-400. Bob- 70- SS 454 M 22- Org. owner ACES 2825 A alss Premium Member Joined May 21, 2000 2,508 Posts #3 · Jun 19, 2006 M-22's were put behind the 454 cars. There are rumors of M-21 cars but I have never seen a Build sheet.

Jun 22,  · There also was a second, heavy-duty close-ratio version: the “Rock Crusher” (M22) that was offered on some of the high-performance big-block models, starting with the 1965 Corvette. The choice of

just picked up a muncie m21..didnt give a hoot if it was a m20 m21 or m22 or a rock your pocket, Rock Crusher!! my motor will break the GM 

MUNCIE M22 “ROCK CRUSHER” SHOW CAR QUALITY TRANSMISSION Image shows M22 Transmission with out Mirror Polish Finish ; LIST OF NEW COMPONENTS NEW INPUT SHAFT NUT 

M-22 "Rock Crushers" made between 1967 and 1970 have 10 splines; transmissions made between 1969 and 1974 have 26 splines. Step 4. Look for the "GM" sign 

rock crusher specifications– RockCrusher. In addition, both sides of the RockCrusher chassis facilitate mounting rack ears or other brackets for professional road case installat

Passenger side of the unrestored M22 transmission. There are several interesting features which are special in the 1965 M22. All 1963-65 M20 and M21 transmission used a 7/8″ countergear pin in all assemblies. During prototype testing, this 7/8″ countergear pin was found to be the weak link in upgrading the Muncie transmission.