Gm manual trans casting numbers

The Head Casting number is located outside of the Valve Cover in plain site on the Drivers Side. If you have ever heard that the new style gets better compression numbers with an "" Head, look for the last three numbers of that Casting Number. Manual Powerglide: A: Saginaw: overdrive: O: Cleveland: Turbo Hydramatic: B: Warner Gear: 3 4 speed: P: Cleveland: Powerglide: C: Muncie: 4 speed: P: Hydramatic: Turbo Hydramatic: CA: Muncie: 4 speed: R: Saginaw: Overdrive: D: Saginaw: 4 speed: R: McKinnon: Powerglide: E: Muncie: 3 speed: S: Muncie: 3 speed: H: Saginaw: 3 speed: S: . Chevy Manual Transmission Identification Numbers The five transmissions installed on to Chevrolet trucks, according to www.doorway.ru, were the Borg-Warner T5, the Getrag, Muncie or New Venture models HM, 5LM60 and NV and the New Venture NV The NV appeared on full-sized trucks only.

GM Manual Transmission Identification? Jump to Latest Follow is the casting number for the saginaw used in at least. But the other numbers don't match the extension or sidecover casting numbers. Like Cobalt said, it is very easy to mistake a 6 for an 8 in these castings. The Chevy OD trans has 13 GM on the side cover. Google and Bing get me nowhere. That second trans is a 3-speed Saginaw. The numbers seem to indicate 3-speed, not worth much. GM 27 on the case, GM 38 D23? on the side cover. Chevy 4 speed manual transmission identification isn't difficult if you know what to look for in the part. Luckily, the makes are different enough to give you at least a starting point. Though the serial number convention is sometimes confusing, there is a method in the madness that makes knowing which one you have an easier task.

The easiest method of GM automatic transmission identification is to examine the transmission pan. New transmission designs came with new, unique pan shapes, and the general shape of the pan often paints a fairly clear picture of which automatic transmission you are dealing with. Once you identify the pan, count the number of transmission pan. The replacement case (GM PN ) was used for all – Muncies as listed in the GM AC DELCO service parts manual. It was a casting. If you have to replace an early 7/8-inch case, a later casting is offered with the thick ears but machined for the early shaft. The Head Casting number is located outside of the Valve Cover in plain site on the Drivers Side. If you have ever heard that the new style gets better compression numbers with an "" Head, look for the last three numbers of that Casting Number.