Originally Posted by Specialklj
I would say you have the PCV hooked up wrong. The PCV should have a very strong suction on the end of it with the engine running. Crank case pressure is building up and pushing oil out of the motor, a tube isn't going to fix that. Are you running a non stock carburetor? Normally, I'd say you have a worn engine with too much blow by, but you mentioned the new motor doing the same as the old one.
1970 GS455 Stage1 Race weight 4025 lbs.
TSP 470, 602 HP, 589 TQ
MT headers, Gear Vendors Overdrive
Best E.T. 11.54 Best MPH, 116.06
1998 Riviera SC3800