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With the new Exedy Stage 1 clutch and racing lightweight flywheel, we initially experienced a little chatter for a few hundred miles until everything broke in. After that, the clutch became buttery smooth with an OEM like pedal effort and engagement feel. All of the slipping that was experienced before was totally gone.
For the 5 speed WRX with its weak transmission, this clutch is a very viable way to go and should take us through our anticipated engine rebuild and power mods. The tranny, however, is living on borrowed time. The worn gears and internals, and most bothersome- the grooved by the old seal input shaft, are worrisome. Although nothing leaks for now, we are afraid the leaking will return soon.
Instead of going the easy route and dumping in a strong STI 6-speed, we will be researching how to strengthen the 5-speed and getting it to live with a built engine and track use. It will be a long process, but stick with us- we will be getting Project Bugeye up to speed bit by bit!
Sources
Exedy
