Gm 4 speed transmission codes. Identify Your Transmission, Transmission Lookup, Transmission specs, GM transmission lookup, 700r4 diagram, 4l60e diagram, th350 diagram, 4l80e diagram, e4od diagram, 4r100 diagram, Transmission identification 2019-03-05

gm 4 speed transmission codes

Muncie Identification

gm 4 speed transmission codes

Needle bearings were installed under each gear to reduce drag. Transmissions are marked and identified by: - Casting numbers on the case, extention housing and side cover on manual trans. It was also used by many other manufacturers such as Rolls Royce and Jaguar with an adapter ring. They are believed to be 'Jeep only' transmissions. Torque upper 3 bolts and lower 3 bolts to specification.

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Need help to decode Saginaw 4 speed transmission

gm 4 speed transmission codes

Those listed in red have sample images. We are dedicated to giving you the technical support you need, when you need it! Several things are needed to identify a Muncie correctly. The big three used them in the late '70s. Noticed that the reverse idler gear is a bit smaller but the gear is bigger then the others i have seen , probebly because its a newer version og the Saginaw? I promise you that the next transmission I have to replace or any other person I hear of needing a transmission I will be heavily promoting Monster Transmission and tell them that I personally use Monster Transmission. Always check to see that the date marked precedes the final assembly stamp code. . The Muncie was made out of Aluminum.

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How to Identify Chevy 4 Speed Transmissions

gm 4 speed transmission codes

Likewise a P8S28 stamp means 1968 8 , September S , 28th of the calendar year 1967 for a 1968 Chevelle. The T-5Z is a 1993 Cobra T-5 with 2. It worked similar to a 2-speed automatic, having 1:1 direct drive and overdrive. Have a look: A lot of people just need to know which one is which, and the case material will provide you with fine answer to that question. This switch is usually mounted on the accelerator linkage. All wide ratio transmissions are designated M20 and close ratio transmissions are designated M21 or M22 depending on the gear set.

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Saginaw 4 Speed Transmission ID

gm 4 speed transmission codes

The same information about also applies to transmissions. Camaro junker my buddy got cheated on , I told him to go get a guaranteed one from the local scrapyard and I'd do what I could ~ naturally they sold hi one that had totally different shifter , tail shaft housing and so on so I laid out some clean cardboard and took both apart in his upholstery shop then cleaned all the various bits , chose the best of the lot then re - assembled it and Lo! The Borg Warner has a 9 bolt cover. Tim - part of the family for 50 years - part of the family for 14 years - now part of Dave's family - If you have to stomp on your foot-pedal starter, either you, or your starter, or your engine, has a problem. Likewise a P8S28 stamp means 1968 8 , September S , 28th of the calendar year 1967 for a 1968 Chevelle. In-exchange for Ford's 10-speed transmission, General Motors will let Ford use its 9-speed transmission for front-wheel drive applications; Ford ultimately declined use of the 9T. Muncie casting date codes are very different from other transmission manufacturers.

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GM Muncie 4

gm 4 speed transmission codes

Please join in the discussion by. Examples: R7S21 Saginaw 4-speed, Nov 21, 1966 P8R01 Muncie M2x 4-speed, Oct 01, 1967 P9T11B Muncie M21 4-speed, Dec 11, 1968 C9D14N PowerGlide M35 2-speed auto, Apr 14, 1969, night shift But I only know they made and used this fine tranny for decades and they're dead simple to overhaul , often not needing any new parts , just a good cleaning then mix and match parts from the old tranny. This information was only useful to the Muncie plant by allowing the tracking of problem parts. I've tried to weed through as much of this as I can and bring you the consensus of what's correct. It was a column shift only. Clutch Keys and Springs Replacement 4. This was only true when the first M22 boxes were created; all 3925661 castings 1970-1974 had drain plugs.

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GM Transmission Info

gm 4 speed transmission codes

So, if you are looking to drop one in a vehicle that makes more power than it did when it was stock, you should consider going a different way. All are helicoil cut except from the straight teeth reverse gear. Another way of identifying the Muncie is the reverse lever. Count the rings: There are rings around the input shaft that will help you determine the gearing in the transmission itself. I had to do this on a 197? The link to view the contents of this booklet is incorrect. Camaro junker my buddy got cheated on , I told him to go get a guaranteed one from the local scrapyard and I'd do what I could ~ naturally they sold hi one that had totally different shifter , tail shaft housing and so on so I laid out some clean cardboard and took both apart in his upholstery shop then cleaned all the various bits , chose the best of the lot then re - assembled it and Lo! The exact meaning of this character is not known; there are suspicions, but no facts. Note the H103065 stamped on the flange and the date is shown by the P1030 stamping in the upper right of this photo.

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Saginaw Transmission Identification

gm 4 speed transmission codes

My other ride is a B737 no, B767 no, A320. Output shafts may be large or small. All 26 spline inputs came with 32 spline output shafts and all 10 spline inputs came with 27 spline output shafts. Also, the reverse lever on the Muncie units is mounted in the extension housing, while the Saginaw reverse lever is mounted in the side cover Locate the serial number to differentiate 1969 and up Muncie transmissions. You can identify the various M20, M21 and M22 transmissions by the input shaft.

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Chevrolet Chevy Transmission Identification and Decoding

gm 4 speed transmission codes

The Turbo 375 was modified to accept the Turbo 350 driveshaft yoke. Simply put, they will not hold up to a V8. The T-5 is the only American made standard transmission to span almost 20 years of production. Also manufactured and used by as the Trimatic transmission. The Muncie was used with most performance engines and is not to be confused with the Saginaw or Borg-Warner 4-speeds. The first letter in this number is going to tell you exactly which Saginaw transmission you have.

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Saginaw Transmission Identification

gm 4 speed transmission codes

Side covers were sometimes secured with studs and nuts, other times with bolts. The shifter is 3917535 and the installation kit is 3738616. This was continued up to 1974. Place the keys in position and, holding them in place, slide the hub into the sleeve. Ford-O-Matics were also offered with all three bolt-common V8-pattern bellhousings.

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