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Is is bad to change our crank pullys?

 
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If you are thinking of replacing the crank pulley with an underdrive unit it depends ... does the new crank pulley have a dampner on it? The stock unit does. I wouldn't recommend using one without. It will reduce the life of your engine.

These Honda motors are able to spin to high rpm based on their balanced rotating components (i.e. crank, rods, pistons etc.). Without a dampner on the pulley, it could develop vibrations which will eventually cause problems in your motor. This is why AEM only underdrives the accessories, and not the crank.

Xjet

 
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So do you know if Unothidox's Crank pully has a dampner on it? Other knowen as a "hermonic balancer"......like my spelling? its late.[IMG]i/expressions/beer_yum.gif[/IMG]

 
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I'm pretty sure that pulley does NOT have the balancer, but give them a call to verify it. I would go for the AEM set otherwise.

Xjet

 
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If you guys want to buy pulley, go here www.groupbuycenter.com AEM single true pully for $147 shipped, and Unoxthodox SS Ultra, (crank, alt, p/s pulley) for $297 shipped. Go in groupbuy and search under engine.