Knowing if your transmission is manual or automatic should be basic information. A=M20 B=M21, C=M22). First, you must check whether its a manual or automatic transmission. Your right, if we knew what the trannys went to , they could be of help to someone if not only for parts. Muncie Transmission Identification - 1968ss.com Off of the left side of trans: GM 3845122 H254 Thanks. Examine the input and output shafts to see if you've found the box you want. The Muncie 4-speed transmission was used with many different GM models and engine combinations from 1963-1974. This version did not have a locking converter. In the early 90s, GM introduced its electronic Hydra-Matic transmission systems. theYear=theYear+1900 Check through the information for your transmission identification. Input has 3 rings so it should have the 3.50 first gear. Powered by UBB.threads PHP Forum Software 7.7.5. Like I said, the Muncie HD is a lot heavier. S = Saginaw 3-speed A = 68/69 L6 Torque-Drive K = McKinnon 3-speed C = Cleveland Powerglide . Hopefully, this guide can help you decipher what gearbox you have located if youre in need of a Chevy four speed, or if you are fortunate enough to happen across one stashed away in a barn somewhere. Its useful to know the trim of your car so you can easily determine the transmission type. 3.55 geared and higher (numerically lower) cars used the wide ratio gearbox. Muncie 4-speed or TH400 were the only transmission options available. Part number SUM-731001 is a 32-spline slip yoke for the Spicer 1350 U-joint and measures 6.250-inches long. I have four transmissions, which I need to identify, before I can proceed. Whats The Reason Enthusiasts Cant Get, Yes I Am A Dinosaur, And Why I Feel Electric Cars, Step-By-Step Birth Of A QA1 Adjustable Racing Shock, Readers Rig: Sterling Diesels Duramax-Powered C10, What I Learned Today With Jeff Smith Ensuring Wrist Pin Clearance, Corvette Enthusiasts Use Media To Share Z06 Delivery, Fenix Is A Next-Gen 69 Camaro With 1,180 Horsepower, Shop Tour: Brian Tooley Racing Expands To Be A One-Stop Shop, Moroso Anti-Roll Kit Is The Right Tool For The Dragstrip. The 26-spline input shaft came into production later in the 1970s for the M20 and M21. The Muncies appearance, design, and operation did not change much during the transmissions use in GM production cars. There are two significant variations of the Turbo 400. Manufacturer Part Number. Generally able to handle up to 400 foot pounds of torque. Some transmissions have a code stamped onto them. Build your own custom newsletter with the content you love from Chevy Hardcore, directly to your inbox, absolutely FREE! following numbers are the month first followed by the day of the month. Muncie (left) Saginaw The M-22 was generally installed behind Saginaw 4 speed # 3925656 | NastyZ28.com // ]]> Ning Network Name Goes Here. M38 Standard Turbo 350 manufactured from 1976 to 1981. If you are not sure how to distinguish between an M20, M21, or M22 Muncie, knowing what to look for can be tricky. GM Transmission Identification Guide: Chevrolet, Pontiac, Buick, & More His passion for performance got him noticed by many locals, and he began helping them modify their vehicles.
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