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ATI balancer or SLP?

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Old Apr 14, 2010 | 05:56 PM
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Default ATI balancer or SLP?

im building a procharged 408, and i need to know what harmonic balancer to get the ati number is 918853 i think but its $477 does slp make one, or do one of you guys have one?
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Old Apr 15, 2010 | 11:05 AM
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Welcome to the board.

Lots of info in "search" but the ATI damper is probably the most commonly used, even though it's a little pricey. That's what I'm using. Make sure to pin it to the crank, you need the ATI pin kit.

Rob (Bad30th)
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Old Apr 15, 2010 | 11:39 AM
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You need to use the ATI balancer, as the ProCharger 8 rib crank pulley is designed to work with it. Bob
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Old Apr 15, 2010 | 07:19 PM
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ok cool ill get it then, the only other question i have right now is how do i get a spring loaded tensioner i have the d1sc and the j bracket but no tensioner
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Old Apr 16, 2010 | 06:02 AM
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Originally Posted by d1scamaro
ok cool ill get it then, the only other question i have right now is how do i get a spring loaded tensioner i have the d1sc and the j bracket but no tensioner
SDCE sells the spring loaded tensioner. You have to send them your J bracket for them to modify it. Bob
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Old Apr 16, 2010 | 08:03 AM
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^^Yep & its not cheap either. But there are other alternatives. Do a little searching in this section & you'll find several threads on different methods to eliminate belt slip & thorwing.
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Old Apr 16, 2010 | 09:04 AM
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I have the ATI super damper crank pully and the SDCE spring on the J bracket and don't have and belt problems.
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Old Apr 18, 2010 | 02:34 PM
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ok cool, also are the stock lifters ok to use in a procharged 408? ive got comp cam and pushrods. (.598 .614)
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If you are building a 408 you might as well have the crank keyed instead of simply pinning it for the ATI balancer. A key is going to be much stronger than a pin and the balancer is already slotted for it.

A spring tensioner system of some type is definitely better than the standard Procharger J bracket as belts stretch as the RPM increases. Without a tensioner to take up the slack you will likely end up with slipping problems over time.
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Old Apr 18, 2010 | 09:06 PM
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Originally Posted by BIG_MIKE2005
^^Yep & its not cheap either. But there are other alternatives. Do a little searching in this section & you'll find several threads on different methods to eliminate belt slip & thorwing.
What other alternatives???
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