· While it’s obvious that the four speed will use three shift-linkage arms and the three speed will have two, if the first letter is R, then you have found a four speed. If it starts with an S, you are looking at a three-speed www.doorway.ruted Reading Time: 8 mins. · 4-speed said: If it was the original tranny it was most likely a ST The shift pattern is the same on Muncies, Saginaw and t"s. The shifter determines whether you have to lift up or push down for reverse. The above Muncie 4 speed transmissions can be distinguished from the 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. MUNCIE M () G.M. 7 bolt side cover , Chevelle.
Manual Transmissions. As mentioned above, modern 5-speed and 6-speed manual transmissions are easy to identify, but older 4-speed transmissions have more variety. While there are no distinctive pans and bolt counts to make transmission identification simple, 4-speed manual transmissions can be generally identified by examining the side profile. The NP transmission was a New Process (Chrysler) designed transmission built for GM trucks was an aluminum case with the standard GM bolt pattern to the bell. were cast iron cases with the weird pattern. Casting numbers on the GM cases are C C Links. My Shop. Tables. The Chevy C60 dump truck that I am restoring has a New Process C 5-speed manual transmission. This 5-speed transmission is a selective synchromesh type with five (5) speeds forward and one (1) housed in a cast iron case. A 9½" x 2½" band type parking brake is mounted on the rear of the transmission and standard.
Shift Knob, T-Handle, Aluminum, Brushed, Hurst 4-Speed Pattern Upper Left Reverse Location with Logo, 3/8 in Thread, Manual Transmission, Each Part Number: HUU (17). 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. A bit OT but this sure brings back memories of my first car (at 15), 61 Impala /3 speed on the column. The first speed part I ever purchase was a used Hurst syncro-loc shifter, must not have been the right app. because there was no room to install the trans. levers correctly. Never did figure out what it was meant to fit on.
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