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hormonic balancer shaking motor?

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Old 04-04-2006, 10:12 PM
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Question hormonic balancer shaking motor?

guys i have a problem when i rev the motor up to over 1500rpms is shakes if i go any higher it shakes on and off when driving is shakes too but when is idle is fine could the harmonic balancer be the problem? what else could couse this and else would a harmonic balancer from a 4.8 or 5.3 work on my ls1?
Old 04-04-2006, 10:14 PM
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Is this the stock crank pulley?
Old 04-04-2006, 10:23 PM
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yes it is
Old 04-04-2006, 10:26 PM
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Have you checked into March or ASP or even ATI setups? Your motor mounts could be on their way out the door as well. Or even as a result of this issue.
Old 04-04-2006, 10:28 PM
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how can i tell if the balancer is bad? i see a little shake on the balancer from the top of the motor when is running
Old 04-04-2006, 10:52 PM
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can a balancer from a truck motor fit the ls1?




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