Muncie (left) Saginaw (center) Borg Warner (right) To quickly finger what you have, notice in the above picture: The muncie reverse lever is in the extention housing, and the cover has 7 bolts. * MUNCIE Shaft Identification The above Muncie 4 speed transmissions can be distinguished from the style of the transmission arm attachment. 7 bolt side cover 1970, 454 Chevelle GM Regular Production Option (RPO) Master List Use this information to interpret the RPO numbers on the vehicle’s Service Parts Identification (SPID) label. Transmission Identification Charts ACURA Model Year Engine Trans Type Transmission CL 1996-97 L4 2.2L 4 Spd FWD A6VA CL 1998-99 L4 2.3L 4 Spd FWD B6VA CL 1996-00 V6 3.0L 4 Spd FWD B7ZA / M7ZA CL 2001-06 V6 3.2L 5 Spd FWD MGFA / BGFA Integra 1986-89 L4 1.6L 4 Spd FWD CA / P1 Integra 1990 L4 1.8L 4 Spd FWD RO Integra 1991-93 L4 1.8L 4 Spd FWD MPRA Identification Rings. Gm transmission identification codes Wikipedia list article General Motors is an innovator of automatic transmissions, introducing the Hydra-Matic in 1940. • TH350 - Modulator is located at the back of the transmission case. The serial number provides the date of manufacture, however, on 1969 and later transmissions there is a letter code at the end which identifies the gear-ratio, which is different on all three Muncie models. Go here for info on Chevy Automatic Transmission Identification. Feb 14, 2018 - Chevy transmission code identification chart: 4l60e 4l65e 4l80e CHART 5-SPEED TRANSMISSION I.D. 4-SPEED TRANSMISSION I.D. The 1964 Muncie transmission was a basic carryover of the 1963 transmission with the exception of the 1964 and later gearboxes used a first gear sleeve on the main shaft for better lubrication. The next 2 or 3 letters identify the model of the transmission.These numbers tell us the application, engine size, wiring type, and solenoids. • TH400 - Modulator is located on the side of the Pre-1969 Muncies use a stud and nut at the indicated attachment point, while 1969 and later Muncies use a bolt as illustrated on the right. The Saginaw reverse shift lever is on the cover, and the cover has 7 bolts. Automatic transmissions Early models The GM Hydra-Matic was a success and installed in the majority of GM models by 1950. The transmission case has various codes including the casting code and the serial number. It's the regular production option code that told the body shop and the trim shop the car was to have the SS396 conversion done, i.e., external trim, bumper pad, badging, interior trim, etc. [1] This list includes some GM transmissions. Transmission identification may be determined by finding the transmission application code in the following tables. If you find 2 letters, the transmission is made between 1982-1985.. MUNCIE M-22 (453) G.M. An example of the serial number is "P4D23B." The 1965 Muncie was identical to the 1964 version. VPPSGMOptionsActiveOnly_1111200 OptCode OptCont Opt OptFamOpt OptNounName OptDesc ActionDat OpReOwActivityStatus Engine Identification Chevrolet Truck 1967-72 Chevrolet Blazer 1969-72 How to Identify Your Transmission TH350 and TH400 Transmissions can be identified by the location of the Modulator and by the shape of the transmission pan. If you find 3 letters, the transmission is made between 1986-1993.. The transmission codes are found on the Protect-O-Plate and in the following locations: Muncie 3-speed = on the boss above the filler plug Muncie 4-speed = on the right side of the case at the right side of the cover flange CHART *MUNCIE Shaft Identification: Muncie 4-speed transmissions can be distinguishedvfthe rom style of the transmission arm attachment. Pre ‘69 Muncie’s use a stud & nut at the indicated attachement point, while ‘69 and later Muncie’s use a bolt as illustrated on the right.