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Old 09-05-2010, 10:48 AM   #1621 (permalink)
Phimosis
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Quote:
Originally Posted by Chris@FsP View Post
From the rpm ranges you stated, it sounds like tip-in knock. I've seen it on a few 370's even with stock tune. Does it knock under load too?
Good point. I was thinking high rpm/full load. Cars back in the 70's would have tip-in pinging and still last more than 100,000 miles.
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