Gm 4 speed saginaw manual transmission identification

Identify General Motors' Four-Speed Transmissions Chevy Manual Transmission Identification: Go here for info on Chevy Automatic Transmission Identification. 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.  · Saginaw 4 Speed Identification. Ap. February 6, by Jason. The Saginaw four speed transmission is a transmission that was used in a variety of GM cars in the 60’s. They were popular in the Muscle Car era. As a rule of thumb, they were not built to handle the kind of power that a Muncie transmission could handle.  · "Here's how you ID a Saginaw 4-speed trans. 4 speed Saginaws no lines= 1 line= common 1 Line= rare 2 Lines= 3 Lines= And, imho, the rare, tranny would live the longest behind a good motor! And next, the common tranny User Interaction Count: 2.

Saginaw transmissions featured application codes on the passenger side of the case near the rear cover. "O" denoted the transmission was equipped with overdrive. "S" identified the three-speed transmission as manufactured in Saginaw, Michigan, from to An "R" identified the Saginaw four-speed transmission built from to Take Advantage of Our Expertise on the Saginaw 4 Manual Transmission. The Saginaw transmission was engineered and manufactured in Saginaw Michigan for the Chevrolet General Motors, vehicles with RPO code M15 utilized the Saginaw 3 speed, you should be able to find a “S” on the passenger side of the case rear cover. RPO code M Information is provided for General Motors 3 speed, 4 speed, 5 speed and 6 speeds manual transmissions. Cast iron case and extension housing with 4-bolt side cover. Has non-synchro 1st and a "barrel" type 2/3 assembly. Units from have enclosed driveline, otherwise known as a "torque tube". Those from may have electric overdrive.

When looking at a Saginaw transmission, the front input shaft will likely have one or multiple grooves cut around its diameter. These grooves. On right side of case is GM 4 K. Below that is Those old Saginaw 4 speeds are not a high performance trans, so don't put one. MUNCIE. 7 bolt side cover; first gear synchronized. CAUTION: This transmission closely resembles Saginaw. FORD. 4 or 6 bolt top cover;.