23 Apr 12 20:38, Mark Hofmann wrote to Roy Witt:



 RW>> My thinking is that if the oil used is heavier, it will be less
 RW>> likely for the lifter to leak down. You could also go with a single
 RW>> weight oil such as 30w and get the same effect.

 MH> I'll try the 10w-40 synthetic on my next change.

 MH> Would 20w-50 be too thick and cause a possible gasket blowout?

It will be just fine. Gaskets don't fail because of heavy oil, they fail
because of internal gas* pressure.

* Not gasoline, gas as in piston ring blowby creating pressure in the
crankcase, which is vented through the PCV.

 MH> I used that type of oil in the old Malibu and my daughter's car to
 MH> "slow down" the oil leaking.  The thicker it was, the
less oil would
 MH> leak out.

LOL! Oooook...


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