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What underdrive pulley to buy?

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Old 12-18-2008, 07:49 AM
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I wanted my damper to actually dampen... so I went with an ATI super damper. At the time I was still running HPDEs w/ my Z06 so I wanted a top of the line part. It wasn't cheap at $440, but 11,000 miles later I still have zero pulley wobble and the motor is smoother than before my cam swap.
Old 02-04-2009, 03:21 PM
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Originally Posted by Cobra4B
I wanted my damper to actually dampen... so I went with an ATI super damper. At the time I was still running HPDEs w/ my Z06 so I wanted a top of the line part. It wasn't cheap at $440, but 11,000 miles later I still have zero pulley wobble and the motor is smoother than before my cam swap.
hmmmm... my pulley walked on me. looking to replace the balancer. i also do HPDE events as well so this ATI may be the route I should go.
Old 02-04-2009, 05:30 PM
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I have had my ASP pulley for about 8 yrs now on mine... No issues... Def worth the $$$
Old 02-05-2009, 04:56 PM
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Originally Posted by Fast Toys Performance Parts
Weight is the enemy of performance. Reciprocating weight is an even worse enemy
I'm assuming any aftermarket pulley is lighter than the stock one right?
Old 02-05-2009, 04:58 PM
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i wish the ebay pulley was back up. havent seen it on their site. suppose to be same as summit and bbk pulley for really cheap, around a 100 i think
Old 02-17-2009, 08:02 PM
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so, if i go with the asp underdrive pulley, do i need 1 or 2 new belts. cuz im about to order and i just wanna make sure. im pretty sure its 2, just making sure before i hit the purchase button. and can i get them at a local parts store, or just online. thanks.
Old 02-17-2009, 08:39 PM
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2 one for a/c and one for wp, ps etc.
Old 02-17-2009, 08:50 PM
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thanks bud, thats what i thought. i cant find a damn sponsor that sales the pulley and both belts. i heard thunderracing did, but i cant see it.
Old 02-17-2009, 08:56 PM
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nevermind, i finally found it at texas speed...gotta love those guys over there.
Old 04-03-2009, 07:58 PM
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Originally Posted by LS1-NAVY
2 one for a/c and one for wp, ps etc.
Ive got the ASP, uses 1 belt for everything.

Get 2 though, it might fly off (mine came off about 3 times in first year but hasnt jumped off in the last 2 years using same belt).
Old 04-03-2009, 08:46 PM
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ASP!!! Quality and tried and proven!
Old 04-03-2009, 09:29 PM
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I am curious about the alt. pulley also... Does it make a significant increase in hp when putting on both the underdrive pulley and underdrive alt. pulley as opposed to just an underdrive pulley? I dont have an aftermarket stereo set up and I am running an M6 so I would assume the Alt. pulley would be worth it as well right?

Last edited by 71-Camaro-98; 04-03-2009 at 09:37 PM.
Old 04-03-2009, 09:39 PM
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asp dumdumdum!!!
Old 04-04-2009, 08:27 AM
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I got powerbond mainly because I found a good deal including belts. Probably a very unhelpful post but its a very nice piece in person
Old 05-04-2009, 06:38 AM
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would the slp pulley need 2 belts also? planning on ordering one soon just wanna make sure.
Old 05-04-2009, 12:56 PM
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Originally Posted by 98chevyz71
would the slp pulley need 2 belts also? planning on ordering one soon just wanna make sure.
Yes it does. If you order the SLP pulley from us, you can add the 2 belts for 46.00 (they are not listed on our web site but you can call us to order them).

Thanks!
Old 05-10-2009, 06:26 PM
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I was wondering about the alt pulley when i installed my underdrive pulley was going to replace the alt pulley to but my alt pulley was smaller than the one that came with my asp kit




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