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walfreyydo walfreyydo is offline
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Join Date: Mar 2020
Location: Wisconsin
Posts: 705
Garage
Quote:
Originally Posted by Eskozki View Post
Engine was rebuild by the previous owner 2 years ago before I bought the car. I'll do the compression test on the weekend. Because I found oil on the intake side I was theorizing that during WOT and high RPM the airflow is so great it will suck more oil to be burned. Once I let off the gas there is no fuel to burn with the oil so I get the short puff of blue smoke.
I would think of it a different way. The rings arent sealing and allowing more pressurized combustion to leak into/pressurizing the crankcase which is then pushing more oil vapor out the AOS.

But this is all theoretical, so once you get compression numbers we can have a better idea of whats happening.
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Tyler from Wisconsin, 1989 944 S2 on Megasquirt PNP
Old 09-19-2023, 10:03 AM
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