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350HP930 350HP930 is offline
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Join Date: Jun 2003
Location: St Petersburg, FL
Posts: 3,814
The change could also be be performed via case or cylinder flycutting in addition to the heads. For a small compression bump you would not need to remove much material but you should also have your chain housings machined to reflect the new component heights. The timing chains and tensioners should be able to handle the changes in cam location as long as they arn't extreme.

For example I am only going to bump the comression about a half a point so if my memory serves me correctly I think thats only about a 0.5 mm piston height change.

How many miles do you have on your 930? Mine didn't start hemoraging oil till it had about 110K miles on it.
Old 02-27-2004, 07:15 PM
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