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Can anyone give me the specifications on this 4 speed? It has been sitting under my garage workbench for over 30 years, and I don't remember where I got it from. Thank you.
23 spline so 383 or small block. VIN on case says it’s from a 1970 B-body. The tail housing is from a 67-69 B-body. The difference is only a single shifter mount boss instead of dual, and they moved the mounting boss for the crossmember.
The front bearing retainer has the throw out bearing sleeve broken off.
The tip of the input shaft is cut off.
I see a 9 in the vin number so I’d say it’s a complete 69 23 splines from a 69 383. A lot of 4 speed got the end of the shaft cut off because they were installed in a automatic crankshaft. The hole was too small and/or not deep enough. The OD of the bushing could be turned down to fit the crank hole, but most did not drill the crank deeper. They just cut off the end of the input. This was my first mopar lesson as a kid. When you get your motor rebuilt, some shops just exchange your crank for one they already have ready to go. I got stuck with an automatic shaft and the shop that did the build just turned down the bushing. I did not know this. My first clutch job and bushing change was my eye opener for me to do my own mechanic work.