Quote:
Originally Posted by p76rangie
If you take off the tappet cover and start the motor you can work out if it is a tappet. .
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P76,
You are going be getting more and more and more of these.
Why not read SAE Tech Bulletin #770087 wherein you will find an article by Loren & Rodgers on "Cam and Lifter Wear as Affected by Engine Oil ZDDP Concentration and Type’. It will explain what is happening. This stuff won't peek until the end of 2009.
James
