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#1257379 03/04/2018 3:35 PM
Joined: Dec 2000
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Shop Shark
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Rebuilding a 270. The machinist tells me .030 over will clean it up good. Now for Pistons. The stock bore for a 270 is 3+25/32. Can someone tell me what the new bore diameter will be in inches?



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Kettle Custodian (pot stirrer)
Kettle Custodian (pot stirrer)
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It should be 3.811" 3 25/32 is 3.781" add .030 and you end up with 3.811. Thank goodness for calculators!
Jerry


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Shop Shark
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Thank you Jerry.


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