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Old 02-10-2004 | 04:29 PM
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airega1
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Default RE: Rossi .81 sheared impeller shaft

The best way to balance is to drill the hub on the aluminum part. DO NOT scrape the blades or add lead to them. Don't drill completly through the aluminum just make pockets. I know BVM sells engines for the Dynamax and I believe it's the .91 or the .82 and either one would work awesome