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Author Topic: Head milling a 110  (Read 1265 times)

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Snakepit

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Head milling a 110
« on: March 09, 2017, 04:49:15 PM »
Anyone have any info on how much chamber size is reduced for every .010" of milling?
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1973 Norton Commando
2015 CVO Limited

johnsachs

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Re: Head milling a 110
« Reply #1 on: March 09, 2017, 06:34:26 PM »
Usually 1 cc for every .007". ALWAYS check.
John
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prodrag1320

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Re: Head milling a 110
« Reply #2 on: March 10, 2017, 06:41:34 AM »
don't go by any "formula".cc,mill,re cc & mill till you get where you need to be
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HD Street Performance

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Re: Head milling a 110
« Reply #3 on: March 10, 2017, 09:56:29 AM »
Changes as the contour of the chamber is reduced. .0055 will  get you ballpark without over cutting then trim and check to final.
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