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Old 11-04-2023, 10:01 PM   #8
Mark Yacavone
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Default Re: Flat tappet lifter failure

Quote:
Originally Posted by goinbroke2 View Post
My cam is .398 and 250@.050 Never had an issue breaking in dozens of other cams but.. should I put light break in springs on then switch once its broke in??

I've been using GM EOS for 40 years and have never had a cam lose a lobe, but again, I've never run the spring pressures and lobe profiles like this either.
How much seat pressure do you think you need with those little valves and a 2 bbl?
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