Thread: compression
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Old 07-13-2005, 07:56 PM
karl emerick karl emerick is offline
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Join Date: Dec 1999
Location: new baltimore,mi
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the 670's would come about 10.75 : 1 CR on a 400 with std pistons. believe they CC in the high 70's.
the 6X's come in at least 2 chamber sizes - 91 and 101 CC. with the 6X '8's (101 cc) I'm running about 9.2 : 1 CR on a 455.

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