Quote:
Originally Posted by 47silver
Our era of Air cooled Porsches do not have hydraulic lifters. The cams push directly on the tappets. The tappets and/or cams wear out if the oil does not have enough zddp (zinc dialkyldithiophosphate). From what we read on here and on classic car forums, most modern oil does not have enough ZDDP to protect the cams and tappets.
I use Brad Penn[snip]
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+1 on Brad Penn. Oil is cheaper than cams and tappets.
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Dixie
Bradenton, FL
2013 Camaro ZL1
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