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LQ4 stock balancer?

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Old 04-10-2012, 09:08 PM   #1
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Default LQ4 stock balancer?

Whats your thoughts on running a stock balancer on a LQ4 6.0l that will see 7500rpm?
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Old 04-11-2012, 10:43 AM   #2
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I would like to know as well. My LQ4 in my 78 Bu just hit 11.34 @ 119.5 shifting at 7500. 134k short block, ported heads and bigger Comp cam. Hasn't blown apart yet but not sure if it will. But $450 for a balancer hurts.
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Old 04-11-2012, 12:36 PM   #3
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I spin my stock balancer to 7500 and have for years.
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Old 04-11-2012, 01:07 PM   #4
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I think the only problem you would run into with a stock balancer is that they are not designed to dampen harmonics above a certian RPM range. That and you cant be for sure that a factory balancer wont come apart at that RPM range either. JMHO. I am running an ATI dampner on my factory bottom end in anticipation of high RPM harmonics. Aftermarket dampners have better tolerances and better "materials" to dampen harmonics. And once you start dipping into single digit time slips, SFI parts become a concern. Another reason I chose an SFI balancer and flexplate. Again, JMHO, Eric L
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Old 04-11-2012, 06:36 PM   #5
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I spun mine up to 7200 with the stock damper, but I decided to get an ATI for my new combo's 7700 rpm shift points. Plus the tech at the track is gonna want to see 1 once your in the 10's
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Old 04-11-2012, 08:23 PM   #6
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Quote:
Originally Posted by 3pedals View Post
Plus the tech at the track is gonna want to see 1 once your in the 10's
Barrett
That was my main reason for choosing an SFI balancer and flexplate. With my car being so light, I dont think 10s will be a problem. Eric L
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Old 04-12-2012, 08:36 AM   #7
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Personally I would not do it. Its cheap insurance and piece of mind to get an SFI Balancer. You dont have to spend alot of $ on an ATI although you can go wrong. Powerbond would be the next best and affordable choice. They look trick too!

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