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Who makes a good Underdrive Pulley?

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Old 02-08-2007 | 02:51 PM
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Default Who makes a good Underdrive Pulley?

Looking for one with as few problems as possible. I heard with one the crank bolt backs out, another one the belt likes to jump off.. Obviously don't want to spend more than the average cost.

So.. who's good?
Old 02-08-2007 | 03:04 PM
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ATI makes a nice pulley
Old 02-08-2007 | 03:15 PM
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Asp...
Old 02-08-2007 | 03:22 PM
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Powerbond/SLP is "touted" for having non-belt-slip ribs and higher walls. ATI is touted for being a harmonic balancer, not just a pulley. And most people run the ASP, lol.
Old 02-08-2007 | 03:31 PM
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Got the Powerbond here, no problems yet. The pulley does have a higher wall where the belt goes around it, I don't see anyway that it could slip off.

Couldn't go wrong with the ASP or powerbond.
Old 02-08-2007 | 03:35 PM
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ASP, SLP, Powerbond top 3 and all 3 are great
Old 02-08-2007 | 03:46 PM
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Just stay away from March unless you like using makeshift tools and supersize pullers to take it off.
Old 02-08-2007 | 04:28 PM
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Originally Posted by Tainted
ASP, SLP, Powerbond top 3 and all 3 are great
Are those all roughly the same amount of cheddar?
Old 02-08-2007 | 05:56 PM
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Originally Posted by Asmodeus
Are those all roughly the same amount of cheddar?

for the most part yea
Old 02-08-2007 | 06:13 PM
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SLP, March & Powerbond are all the same pully. I have the SLP and got it because of belt slippage issues a friend of min had with his ASP untill he got the KaTech tentioner. I gained 12rwhp & 12rwtq with it. No charging issues so far either.
Old 02-08-2007 | 07:00 PM
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i had a powerbond and i had belt issues... it also didnt have a large enough hub and it didnt seal well to my front cover seal...i leaked oil out front of motor liek crazy. also when i pulled it off it just bent itself all to hell


i orderd a SLP one and had much larger walls compared to the powerbond one
Old 02-08-2007 | 07:47 PM
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how much do these pulleys cost?
Old 02-09-2007 | 08:21 AM
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Originally Posted by candlelit
how much do these pulleys cost?
Around $200-$220 brand new. TSP has the Powerbond for $200:
http://texas-speed.com/shop/item.asp?itemid=40
Old 02-09-2007 | 12:31 PM
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Originally Posted by ArcticZ28
Just stay away from March unless you like using makeshift tools and supersize pullers to take it off.
Iv got a March on my car and Iv been quite pleased. w/ the pulley and a catback, the car dynoed 339rwhp and 350 rwtq. My buddy put it on (he has a lift) and it took maybe 20-30 minutes tops.
Old 02-09-2007 | 12:33 PM
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Originally Posted by DANSBIRD
Iv got a March on my car and Iv been quite pleased. w/ the pulley and a catback, the car dynoed 339rwhp and 350 rwtq. My buddy put it on (he has a lift) and it took maybe 20-30 minutes tops.
Yea... have you tried taking it off?
Old 02-09-2007 | 01:08 PM
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Speed, INC has ASP pulleys for $170.00. Thats where I just bought mine.
Old 02-09-2007 | 01:11 PM
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Originally Posted by ArcticZ28
Yea... have you tried taking it off?

I have no reason in taking it off right now. I bought it to replace my stock pulley, its doing its job. Perhaps my opinion on it will change if i ever need to take it off.
Old 02-09-2007 | 02:16 PM
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Originally Posted by DANSBIRD
I have no reason in taking it off right now. I bought it to replace my stock pulley, its doing its job. Perhaps my opinion on it will change if i ever need to take it off.

....that was my point.
Old 02-09-2007 | 02:36 PM
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I have had good results with the March pulley on two different LS1 cars. However, I haven't had to remove one.

Arctic....didnt you go through a big ordeal with this? That's something to think about when deciding which one to go with....
Old 02-09-2007 | 02:51 PM
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Originally Posted by seawolf18
Speed, INC has ASP pulleys for $170.00. Thats where I just bought mine.
Thats a good deal...and asp gets my vote



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