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 …
decode on rockcrusher transmission. Home > antimony ore processing machine price > decode on rockcrusher transmission. How to Identify a Turbo-Hydromatic Transmission It Still Runs. 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
Most transmissions are missing these tags, but if you want to do a complete restoration they are generally necessary. Even if your Muncie is assembled from a mix of parts, you should be able to determine the ratio. Remember, if the transmission is still in the car only the 1969 to 1974 cases had ratio identifiers in the serial number.
M-22 "Rock Crusher" Identification. The M-22 close-ratio transmission is easily identified internally from the M-20 and M-21 versions by the angle of the gear teeth. The M-22 was only produced in a close-ratio version, so it will not appear on models with high rear-axle ratios (3.55 or lower numerically) unless someone has changed it.
The M20 and M21 used a gearset with a more angled tooth design on each gear (left). The M22 Rock Crusher used a gearset that features less of an angled-tooth gearing (right). Images courtesy chevelles. The gear ratio of the Chevy four-speed transmission placed in any car was usually determined by the engine size and rearend axle ratio.
rock crusher, Decoding Chevrolet VIN, trim tags, cowl tags, engine, engine block casting numbers, cylinder head casting numbers, intake manifold casing numbers, transmission, interior codes, and paint codes. Muncie 4-speed Transmission (Group 4.000) Casting. Year(s) Ratio . 3831704. 1963 Only. M20 2.56 1st. M21 2.20 1st . 3851325 ...
C = 2.20:1 HD Close Ratio (M22), aka "Rockcrusher" The transmission code is normally located on the passenger side of the transmission, arranged vertically just in front of the tailhousing joint. See the transmission decoding information for pictures and more information.
The 1965 Chevrolet M22 Rockcrusher Transmission: The Mystical Transmission. by Alan Colvin on September 15, 2010. Although all previously published data has denied or excluded the existence of the 1965 M22 transmission, this author has uncovered the trail behind this mystical transmission. The complete history of M22 prototypes is covered in ...
The most popular question has to be that everyone thinks they have the famous "rockcrusher" M22 4 speed. This had the same gear ratios as the M21 but with a heavy duty gearset. The reason you may ask? Well it wasn't designed so that you could go drag racing on Saturday night or impress in front of Burger King by doing massive hole shots ...
Original GM Chevelle Camaro Trans Am Muncie M22 RockCrusher 4 …. Here is a factory original GM Muncie M22 4 speed close ratio heavy duty transmission. This is the infamous "Rock Crusher" 4 speed unit that you always hear about.
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 transmissions are designated M20 and close ratio transmissions are designated M21 or M22 depending on the gear set.
THM700-R4 - 4 Speed transmission used in GM cars and light trucks with the 2.8, 3.1, 4.3, V6, and Chevrolet built 305, 350 and 454 engines from 1982 to 1992. Automatic Transmission Identification and Decoding. Some transmissions have a code stamped onto …
Learn how to identify production code numbers, VIN numbers, and more on a Muncie transmission. Get in the right gear with these tips
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 signs that …
Decode On Rockcrusher Transmission. 1971 chevrolet corvette c3 production statistics and facts this was the last year for the m22 "rock crusher" heavy duty transmissiont was named the "rock crusher" because of the sounds it made when shiftingtill no black vettes this c07, auxiliary.
Apr 14, 1999. Location: Bismarck, North Dakota. All 3 models of Muncie were used yet in early 1973. Part way through the production year, the supply ran out and after that, Borg Warners were used. If you have a 1973 Muncie, it could be a M20, M21, or M22. The numbers stamped on it would tell you what it was originally.