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Old 01-05-2016, 10:53 AM   #1
hesster
 
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Which ATI Damper to use with a Whipple?

I am having a Whipple Blower installed on my 2010 LS3, and not sure which ATI Damper to Order as an option. Also see there are overdrive Options, which I am not sure what to order or effect this would have. I see PN928625 @ 6% OD, 626 @ 4% OD (Summit carries these), and 627 OEM. Or just stay stock?
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Old 01-05-2016, 11:11 AM   #2
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Quote:
Originally Posted by hesster View Post
I am having a Whipple Blower installed on my 2010 LS3, and not sure which ATI Damper to Order as an option. Also see there are overdrive Options, which I am not sure what to order or effect this would have. I see PN928625 @ 6% OD, 626 @ 4% OD (Summit carries these), and 627 OEM. Or just stay stock?
Go with 4% overdrive, The standard pulley is actually smaller than the LS3 pulley.

I stock a full line of ATI product give us a call if you need assistance.

Ted.
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Old 01-05-2016, 02:40 PM   #3
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Also - I see that the PN928625 @ 6% OD, and 626 @ 4% OD are 10 Rib, which require changing other pulley's. So - PN 918635 is a 6 rib and the correct PN? I don't understand "Available in 66 to 77-tooth 8mm pitch, and 40 to 51-tooth 14mm pitch", which Summit lists . The Whipple kit contains a 6 rib belt, with a 10 rib as an option. Confusing as hell what to order, already have to return one that was ordered incorrectly. Any Whipple users out there that went with a ATI supercharger specific Damper?
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Old 01-05-2016, 05:17 PM   #4
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You can run a 10 rib balancer all day without changing to a full 10 rib setup, I've done it on many cars. The part number you need is 918625, which is a 6% OD. I wouldn't run a 4% for the same price, but the 918626 is the correct number for a 4%. It will come complete, don't worry about those weird descriptions. I have the 918625, and have run with with 6 ribs, 8 ribs, and now 10.
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Old 01-13-2018, 11:08 AM   #5
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Whats the ac belt number for that 918625

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