I just replaced my clutch with a spec stage 1 clutch kit. I had the flywheel resurfaced and now the transmission shakes when letting off the clutch to drive. Like clutch chatter. Everything is torqued to spec. Also it was hard to get the tranny into the bellhousing all the way there was like a inch gap and I had to tighten the 4 tranny bolts to bellhousing to get it to sit flush against the bellhousing.