Quote:
Originally Posted by bartell
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
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I read the blurb on the SAE website about that paper. Not that I disagree with what they are saying, but it was published in 1977, so it might not apply to what's happening now as a lot about oil has changed since then.
In regards to the noise, start with a better filter and an oil change. Then go from there. Sounds like maybe rocker arms, but that's just an educated guess.
