Hi again all. I've been looking for an f-body style 5-spd for a hot rod project I've been working on, more specifically a T5 from behind a V8. Can someone tell me what years or RPO codes I should be looking for? I have an updated GM RPO guidebook, but it doesn't specify model, just '5 speed manual' type stuff. Also planning on doing some junkyard cruising this weekend and I'd kinda like to have an idea what to look for. Thanx tons

 

RPO codes or any of that is too much of a PITA. You actually have to get close, be able to see the right part of the trans, and it has to be clean enough to read. That's entirely too much like work. Don't bother with any of that.

First, fins out what T-5s look like. Then look for ones that have the tilted trans mount pad and the torque arm boss, those features will identify it clearly as a 3rd gen; then look at the front countergear bearing, that will tell you if it's the 1st design or the "World Class" 2nd design (see www.gearzone.net for pics); then look at the clutch splines, there will either be 14 or 26, 14 is a 6-cyl, 26 is a V8. Then shift it into 5th gear and see if it's .76:1 or .63:1 (you want the .76:1, that's the high-perf gear ratios). Bam, instant identification without endless arguments about whose book is right or numbers that aren't in the book or uncertainty about what codes came in what car.

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