Originally Posted by bbchevy
Originally Posted by kod99
And the saga ends! Not with a spectacular solution either.
Ran the car last week with 39 nozzles and an 84 pill. I made sure I rolled into the water box at 180 degrees. No oil spray on the runs. Too little heat was the problem.
I picked the vacuum pump RPM up to 75% instead of 50%. I think it was still building crankcase pressure because I had a small valve cover leak. I am going to leave the vac pump on and re-install my header evac system with check valves. Hopefully that cures the pressure buildup. Best run was 7.89 @ 169 mph. DA was 4500 feet.
I wanted to thank all you guys, especially Hammer, for trying hard to help me sort this out.
I THINK YOUR MISSING the POINT of a (VACUME PUMP)?IT Makes VAC.NOT Pressure!My Car will set For DAYS and Still have 6-10PSI.OF Vacume!
You OBVIOUSLY are Missing a INTERNAL Motor Issue,that Someone DONT wantto Deal with!!!
SAD but TRUE!
Later
G :?
I agree BBChevy! But I had to solve the oil problem before I could start to address the crankcase pressure issue. It puzzles me to no end, but the leakdown and compression tests were but great. I am gonna rig up a vacuum / pressure gauge and monitor the crankcase during a run.