My car seems to do this a bit as well. Did it with the old engine, does it with the new engine. Same clutch and PP, but I cleaned it all real good before reinstallation. RMS is new. Seems more prevalent when the car is cold. The rest of the time, it's on the track.
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Rosewood 1983 911 SC Targa | Black 1990 944 S2 | White 1980 BMW R65 | Past: Crystal 1986 944 na
Guards Red is for the Unoriginal