I don't think we are talking race engine and it isn't summer yet.
Quote:
Originally Posted by sweetbmxrider
You would be better off pulling the pushrods and blowing them all out individually. It could be the lifters bled down though and didn't pump right back up or one is bad.
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^^^this. then change the oil & filter and go back to some 5/30 syth oil. be very careful of any 'cleaner' you put in the crankcase. it will loosen up any gunk you got.
is this in an lt1 4th gen? you have no reason to run 40wt rotella in that car.