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Old 08-10-2017, 10:17 AM
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gtofreek gtofreek is offline
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Join Date: Feb 2007
Location: Tucson, Az.
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Quote:
Originally Posted by roy381 View Post
Please excuse my very minimal knowledge but what was done to get it to 9.5 cr with 670 heads. Opening up the chambers?

Thanks in advance
Chamber opened up a little, and a custom dished piston.

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