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Re: Hot engine troubles
I once had a similar sound in a 454 that I had come with a 65 impala I bought guy swore it was a fresh cam install but I heard a "popping" sound when it got warmed up then I broke down and found a pushrod or two loose and 4 rounded cam lobes and atleast half a dozen mushroomed lifters.
Not sure how reputable the guy is that put that first engine cam in is but if it was me I would have at the time got all new lifters
1. take of the cover and see if any push rods are loose
2. If they are check valve lash to see if they simply needed adjusted
3. Try and remove the suspect lifters if the problem continues if they are mushroomed no way to get them out from the top very easily
Best of Luck
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