engine blowing oil on intake

Asked by GuruWM2FM May 29, 2018 at 01:31 PM about the 1960 Chevrolet Corvette Roadster

Question type: Maintenance & Repair

have a 1958  283 bored 30 over with roller cam. Built 1986   7000mile on it.
Lose 3 quarts oil in 350 miles. all I can see is on intake

2 Answers
26,760

oilyspill answered 5 years ago

If too much crankcase pressure, the pressure is going to go somewhere and may take oil with it. On older vehicles there used to be a draft tube. Then they went to pcv valve. So check it out. Could be other issues like a gasket or something? In the past on different vehicle, I had a melted piston, a small place on the edge. So much crankcase pressure, it blew the pcv valve out and sprayed the whole engine compartment with oil.

Mark helpful

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