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

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

Would 20w-50 be too thick and cause a possible gasket blowout?  I used that
type of oil in the old Malibu and my daughter's car to "slow
down" the oil leaking.  The thicker it was, the less oil would leak
out.

- Mark

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