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Old Oct 28, 2012, 03:44 PM
gkamysz is offline
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We are not saying your problem is valve clearance. You made some statements about valve clearance and how it might change with temperature and the discussion continued in that direction. You said you observed 0.3-0.4mm change in a 500mm exhaust valve except that wasn't the case, you observed that much change in clearance. Some Saito users set their engine to virtually no clearance to get the most power. They claim it's noticeable and that there are no negative consequences.

Wouldn't it be easier to improve flow volume? Do you know if you lost volume while trying to reduce losses in the fan? Maybe an improved engine cowling?

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