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asp underdrive pulley VS stock VS ATI superdampner 4 FI

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Old 02-08-2007, 07:50 PM
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Default asp underdrive pulley VS stock VS ATI superdampner 4 FI
ok well when i was getting my car tuned, rick told me to go back to stock over the asp underdrive pulley. so knowing this what is the best pulley to get and WHY?
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Old 02-09-2007, 02:13 AM
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well i'm running the stocker... i used to have a march u/d, and put the stock one back on, cause i figured its better to get the power from the boost, rather than slowin down the accesories(such as the alternator)
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Old 02-09-2007, 05:39 AM
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ive seen on the forumns that alot of members in the high HP levels used the ati dampner
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Old 02-09-2007, 06:29 AM
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I use the ATI simply because I have to so the 8-rib drive pulley will mount up to it...
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Old 02-09-2007, 11:00 AM
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I use the ATI and got rid of the Asp pulley
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Old 02-09-2007, 11:15 AM
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I use the ATI and absolutely love it...I can tell that there are way less rotating harmonics happening and it feels like it revs so much quicker... you really can't go wrong with it.. =)
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Old 02-09-2007, 02:43 PM
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ATI Super dampner here also...... Its SFI approved and sooner or later you will have to get rid of the stocker for an SFI approved one anyways....


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Old 02-09-2007, 03:05 PM
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Good point Kyle... That's another huge reason so that you will be legal when running at the track...
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Old 02-09-2007, 05:44 PM
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how much are they again?
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Old 02-09-2007, 05:47 PM
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Originally Posted by MiaSSmaro98
how much are they again?
From $450-490 for the reg ones for F-Body's with A/C and on up... i know mine was like $800.... special for motor plates and a dry sump. (do that down the road)

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Old 02-09-2007, 06:39 PM
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i have a 25 percent underdrive pulley that gives me more room to route turbo piping and such. I actually have an overdrive alternator pulley to bring the alt speed back up to normal.
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Old 02-09-2007, 08:33 PM
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I have an ATI too so I can run 10s legally & use an 8 rib....
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Old 02-09-2007, 08:39 PM
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I run the ASP under drive. **** it.
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Old 02-09-2007, 09:34 PM
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rick from synergy tole me not to....so im going to get an ATI in due time i Guess
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Old 02-09-2007, 09:53 PM
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Did he give you a reasoning behind it? The only thing that seems to be a negative is running the accesories slower, yet you could buy a $50 alternator overdrive pulley for a lot less than the $450-490 for the ati.
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Old 02-09-2007, 09:54 PM
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Run a stock diameter SFI approved balancer. Easy enough.
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Old 02-09-2007, 10:56 PM
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Who sells the ATI one? I can't find it.
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Old 02-09-2007, 10:59 PM
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Originally Posted by J E T
Who sells the ATI one? I can't find it.

Stenod does.....
Stenodracing.com
248-307-0056


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