Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Better core block for sbc 383, 4-bolt flat or 2-bolt roller?
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Old 02-06-2008, 04:25 AM
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curtis73 curtis73 is offline
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Swapping a roller cam into an old block costs a lot. Machining a 2-bolt block for 4-bolt caps is cheap. Not to mention a 2-bolt block will take a good bit of abuse. I'm running a 2-bolt right around 430 hp and I don't worry a bit about it. 116k miles with no issues.

Roller cams are super nice, but retrofitting one is expensive and not worth it. Go with the roller block. If you need 4-bolt mains, have it machined.
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