Thread: Barn raising
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Old 07-23-2011, 06:53 PM   #20
Mike Bradbury
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Join Date: Apr 2008
Location: San Diego California
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Re: Barn raising

Quote:
Originally Posted by crakarjax View Post
Well it could be worse, you can replace the pushrod by just pulling the valve cover and loosening the rocker arm. Another cause of bent pushrods could be pre-detonation, for instance if you run a too-low octane fuel. The pre-det could slam the valve closed, and the weakest link in the valvetrain at that point is the pushrod.
That might be the cause. When I put the HEI in I never re-gapped the plugs to .45 which might have messed up the timing just enough.
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