Gold Lifetime Member
Join Date: Jan 2005
Location: 2 Dog Town in West Texas
Re: Pull motor apart or not?
Sal, Like you, part of me says run it but the mention of white foam or dark oil tells me to pull heads off while you got it out. Put it on and engine stand and open up. Look for problems . I would also pull pan and see whats in there also. Fix any leaks .
But , if you have any access to a leak down tester, to test leakage in valves or rings, I would do it. You may find more issues.
Knowing small blocks, I would also guess that you have some valve guides worn out , but pulling the head, popping off a couple of valve springs could verify that and while you are at it, new valve seals.
Never ends right? Like opening up a can of worms. All depends on how long and how dependable you want this motor to run.
Bad pcv valves don't cause foam.
TC # 349
Zdld17:69 Z/RS,306, NOR141111, 9N554XXX, 12A, X3G, 59/59,723, AFR 195,CCC282/290HR, TKO 600, BU1122B1E Owner since Dec 1968
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