Oil blow back
Hey guys, I have taken my new motor out on a few test drives and I have an issue that you guys can maybe help with. I have some aluminum valve covers with a couple of holes drilled for valve cover filters with rubber seals. I noticed there seems to be some oil on the valve covers either blowing through the seals or coming out of the air cleaner. I am using the break in oil at this moment. I dont have any vacuum lines running to anything. The brakes have electric vacuum and the back of the carb is plugged.
The motor is 455 stroked to a 497 with edlebrock heads and CR ratio 11+/- and solid rolor cam.
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