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Old 10-12-2012, 01:01 PM   #12
because I can
Joined: Sep 2010
Location: San Francisco Bay area
Oddometer: 9,116
What AW said. You don't need to if you are not raising compression. Put a head on one of your 800cc cylinders and look up the bore and then do the same thing with the 1000cc cylinder. You'll see what we are talking about. Squish band? If you don't raise compression machining your squish band to match the piston will reduce your squish, not increase it.
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