Quote:
Originally Posted by gavotter333
The initial break in process was done at the machine shop and I have all the documentation from the components that were used. There is a brochure from compcams detailing the zinc additive treatment that was used for the initial break in that was done on a dyno. I would assume that this was done with the up most care however you are all right components do fail.
I am throwing darts at a board but can a cam wear out in 40 miles after 4000 were already put on it. All of this happened after the new oil was used. and the timing was changed. Was running like crap before this and burning oil but not misfiring and making horrid noises when you try to accelerate.
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zinc isn't just for the break in, it's necessary for the life of your engine.
That ND oil is garbage and should not be used IMO.
Same with Penzoil - It's paraffin based and will gunk up your motor.
s/t