marine02ss

iTrader: (3)

I just finished a 383 stroker on my friends car.The motor is working awesome pulled 400rwhp.Theres one issue though,damn car vibrates a little a low rpms,get it up to 3000 gets worse 4000 rattles your teeth loose bad.....You kinda get scared,the spec S3 was one the car prior to motor swap,I have checked everything mount,driveshaft,crossmember all appear ok,I told him if it didnt get better I pull down the trans to check pilot bearing.Its a new pilot but still doesnt bother to check.Its a real bad vibration anybody hasnt had this issue???CLutch has 250 miles on it

BlackBirdWs6Zzz

iTrader: (6)

thats a spec 3 for ya. have been known for the pressure plate to give out and basically blow up. I guess there is a lawsuit going on with clutch. So many people have this vibrating too.

here is a link........https://ls1tech.com/forums/manual-transmission/508236-real-problem-spec-clutches.html

enjoy!