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#1
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Do you have to cut valve reliefs in pistons in a stock 440 to use the 296-557 mp camshaft thanks
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#2
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I didn't!! And I had plenty of clearance.I was using cast Silvolite pistons and a set of 452 heads with the big valves.Don't ask me what the specs were,'cause we literally threw this motor together 7 years ago and I cannot find my notes.I know the compression ratio was 9.2 and it ran 11.29 in a 3350# Dodge Demon.This is a good cam,makes plenty of power.
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#3
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Thank you Christopher it's people like you that makes this website so good!! I sure hope I don't have to notch my pistons. thanks again
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