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Old 01-20-2020, 09:38 AM   #8
chrisr32
Gone Wild
 
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Join Date: Jan 2019
Posts: 190
Default Re: VC460 valvetrain noise?

Yea, at first I thought it was the compression release that may have been causing the problem and since the cam may be bad anyway I removed the compression release and same noise. If I ran the engine with an open header you would have never heard it, only when I was running the muffler. I put the VC460 cam in a 420 and it was quieter so it may be the VC460 block/crank that is part of the contributing to the overall valve train noise but the aftermarket cam seems fine in the VC460.
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