How do I identify a Muncie transmission How do I Tooth counts on the input shaft will help confirm a certain gear ratio but you may not have access to this information if the transmission is still in the car The most popular question has always been Do I have or is this one of the famous quot rockcrusher quot M 22 4 speeds
1 Apr 2008 It may not be as popular in Saturday night stock car racing circles as the Borg Warner T10 but the classic Muncie four speed manual transmission can be made into The Muncie–which is also sometimes referred to as the Rock Crusher–was produced and installed in GM vehicles between 1963 and 1974
These five casting numbers stamped prominently in the passenger side of the transmission case identify all Muncie four speeds Muncie also had a second close ratio transmission designated M22 and often referred to as the quot rock crusher quot which was used behind the highest performance engines and in Corvettes the nbsp
M21 amp M22 4 speed GMC Chevrolet Mucle Car Rebuilt Manual Transmission and Parts including bearing rebuild kits input main and counter shafts etc Having issues diagnosing problems with your M21 amp M22 GM 4 Speed manual transmission we can help Rebuilt Transmission M22 1966 1974 Rock Crusher
6 Jun 2016 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 tag number is 3978766WO Case Number is 3088336 3925661 P1TO9C Tail number is 3978764 Side Cover number is 3952648 Vin number is nbsp
25 Jul 2017 M23 39 RockCrusher Best 4 speed trans Chevy and GM A lot of people may not be aware of this because it 39 s not advertised much Most people that have an old m
Pontiac Manual Transmissions by Rick Gonser and Larry Gorden August 2005 Updated Dec 2009 Oct 2011 Pontiac outsourced transmissions since day one using Olds for the Hydra Matics and Buick for their 3 speed transmissions Pontiac first offered a 4 speed in 1960
The Magical Muncie 4 Speed Transmission David W West of Davids 4 Speeds LLC is a specialist who rebuilds quot Big 3 quot four speed transmissions and who can help you identify what you 39 ve got About 95 percent of West 39 s work People think all Muncie four speeds are Rock Crushers but they 39 re not The M20 and M21 nbsp
22 Jun 2016 Tech expert James Berry answers a readers 39 question on how to identify a Muncie four speed manual transmission 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
It was much easier to stockpile Muncie spare parts and cores in the 1970s than it is today Reliable sources to validate information regarding serial and casting numbers will get scarcer as time passes The specialty rebuilders that have seen hundreds if not thousands of these transmissions can be considered a reliable nbsp
One of the most common swaps involves a Muncie 4 speed These are easy David W West of Davids 4 Speeds LLC is a specialist who rebuilds Big 3 four speed transmissions and who can help you identify what you 39 ve got About 95 People think all Muncie four speeds are Rock Crushers but they 39 re not Nowadays nbsp
30 Jul 2015 How To Remove Install Muncie 4 Speed Transmission GTO Chevelle Skylark 442 Part 1 1AAuto com Duration 12 25 1A Auto Parts 51 954 views middot 12 25 M23 39 RockCrusher Best 4 speed trans Chevy and GM Duration 36 06 syyenergy7 1 375 views middot 36 06 middot How to rebuild a Muncie 4 Speed Tip 4 nbsp
Muncie M22 quot Rock Crusher 4 SPEEDS FROM 1965 TO 1974 This page is devoted to OEM Complete units New aftermarket units and OEM parts and NOS parts We have rebuild kits Email us with your requirements and we will assist you in completing your M22 rebuild or providing you with a complete trans Email us at nbsp
An M 22 quot Rock Crusher quot 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 Muncie 4 speed transmission was used with many different GM models and engine combinations from 1963 through 1974 In addition many GM high performance engines came with M 22 Rock Crusher in the 1970 73 years however an early version of the M 22 was available as early as 1965 in Corvettes
4 Nov 2012 I can 39 t believe you left the Muncie RockCrusher off of the list or You guys suck what about the PowerGlide But that 39 s The NV4500 has an attractive low range gear 5 6 1 and an overdrive but its strength as compared to other 4 speed manual transmissions with torquey motors is inferior Lets face it nbsp
Further Muncie identification 3 Muncie 4 speeds were offered The M 20 wide ratio the M 21 close ratio and the quot Extra heavy duty close ratio quot M 22 also known as the quot Rock Crusher quot The M 22 was generally installed behind severely powerful high torque big block engines The M 22 is distinguished from an M 21 by the nbsp
29 Jul 2016 Last time we talked about how to distinguish a Muncie four speed transmission from a Saginaw or BorgWarner and the different types of Muncie transmissions including the wide ratio M20 the close ratio M21 and a second heavy duty close ratio M22 also known as the Rock Crusher We also discussed nbsp
13 Jun 2017 The M22 Rock Crusher used a gearset that features less of an angled tooth gearing right Images courtesy chevelles com The ratio of the four speed transmission placed in any car was usually determined by the engine size and rearend axle ratio If a car came with an axle ratio of 3 73 or numerically nbsp
Powerglide Transmissions TH350 amp TH400 Transmission Usage Manual 3 speed Transmissions Manual 4 speed Transmissions including gear ratios and ID angle of the M22 causes a quot whine quot noise in 1st 2nd and 3rd gears and the sound is the reason for the popular nickname for this transmission the quot Rockcrusher
S Saginaw 3 Speed P Muncie 4 Speed A Muncie 4 Speed M20 Wide Range 2 52 1 1st gear B Muncie 4 Speed M21 Close Range 2 20 1 1st gear C Muncie 4 Speed M22 Close Range 2 20 1 1st gear Rock Crusher K Turbo Hydra Matic 400 350 Cubic Inch Corvette Engines L Turbo Hydra Matic 400 390 nbsp
On October 21 1968 another letter code was added to the plant prefix number to identify Muncie transmission ratios Muncie 3 Speed A 3 03 1 B 2 42 1 Muncie 4 Speed A 2 52 1 Wide Range B 2 2 1 Close Range C 2 2 1 Rock Crusher Beginning in 1968 the car 39 s last eight numbers of the VIN were stamped on the nbsp
How to Identify Muncie 4 Speed Transmissions The most popular question has to be that everyone thinks they have the famous quot rockcrusher quot M22 4 speed This had the same gear Combined with high impact alloy gears this 4 speed really pushed the limits of it 39 s aluminum case in drag race applications Although the nbsp
The GM Hydra Matic was a success and installed in the majority of GM models by 1950 Through the 1950s all makers were working on their own automatic transmission with four more developed inside GM alone All of GM 39 s early automatic transmissions were replaced by variants of the Turbo Hydramatic by the 1970s