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Do I really need to go .030 over?

805 Views 6 Replies 5 Participants Last post by  Notchkid89
Gonna order pistons in a week, need to know if its really necessary to go .030 and dish money for the boring? Just a 351w and trick flow 190 heads.
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That's usually just the first size over stock for a lot of engines. Newer stuff like the ls1 have offerings at .005 over. Enough to clean it up is all you need. If it cleans up at 10 over and you can get pistons, do it that way.
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