Quote:
Originally Posted by marcar1993
I have a 1987 Cutlass Supreme with a 3 speed auto trans with a column shift. I want to put a 4 speed in but I don't know what needs to be modified. Will I have to get a new column, probably. Anyone know where to get one? I also want to know If the shifter will fit, I have a bench seat and I would prefer to leave it that way.
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Are you talking about installing a manual trans or a 4 speed automatic (200-4R, for example)? Which engine do you have, 307 or V6?
If you're talking about putting a manual trans behind the 307, be aware that Oldsmobile usually did not machine the crank for the pilot bearing if the engine was originally bolted to an automatic. You can either disassemble the engine and have the crank machined or you can get a conversion bearing that fits into the torque converter pilot in the crank and acts as a pilot bearing for the manual trans. The only problem is that you need to trim the tip of the input shaft on the trans.
Of course, you'll need the G-body clutch pedal and linkage. These parts are available as reproductions. Monte Carlo/Chevelle parts fit the Cutlass.