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Old 11-21-2011, 07:42 PM   #5
Alan Roehrich
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Default Re: BB Chevy eating keepers

If the rockers hit the retainers, they're tilting the retainers and trying to un-key the valve every time the engine spins over 4 times. You're lucky that you haven't done even more damage. That is most certainly the problem.

Most modern rockers for a big block will clear a 1.650" spring and retainer with relative ease, provided the valvetrain geometry is correct.
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