[BRAINIAC]

I may have stumbled onto a cure for some excessive smoking on start-up. After I rebuilt my engine 5 years ago, I noticed that my peak oil pressure was alarmingly high. To reduce it I put thicker washers between the safety bypass bolt and the crankcase. I was worried about blowing out my looil filter on cold mornings. I think I had fixed a problem that really wasn't there. My gauge was reading falsely high. Fixed that but never put the washers back to normal. Just forgot about it. Until recently while doing an oil change, I remembered. Since I put it back to normal I haven't had any smoke! I believe the lower spring pressure may have been allowing the bypasss to open too soon and too much, dumping the extra oil back into the crankcase and flooding the bottoms of the pistons, causing the smoking. Just a theory. Can't explain it but it I can't ignore the fact that my car doesn't block out the sun on start-up anymore. Maybe some of the cars that have this problem have bypass valve issues. It's an easy theory to test and a cheap fix too if it works.

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Tyson Schmidt
72 911 Cabriolet
92 C-2 Cabriolet