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Best Underdrive Pulley???

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Old Apr 18, 2005 | 05:16 PM
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Default Best Underdrive Pulley???

Is the SLP worth the extra money due to the taller walls preventing belt slippage?

Has anyone with the ASP who switched to Gatorback belts EVER had the belts fall off......even once???
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Old Apr 18, 2005 | 06:33 PM
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Go with the SLP its a very good pulley and it looks very good too.
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Old Apr 18, 2005 | 06:46 PM
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I have the ASP pulley and the gatorback belt, no problems with slippage at all.
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Old Apr 18, 2005 | 06:46 PM
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My $.02. ASP is by far and away the preferred, most common among board members. Basing your decision on that fact will normally get you a good product.
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Old Apr 18, 2005 | 07:12 PM
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I'm not a fan of SLP but I bought their pulley because it's made completely of steel. The ASP is steel and aluminum. When I had my GTP I changed the S/C pulley twice, both with different size ASP pulleys. When I took each of them off they ended up bending slightly. I don't know if anyone has had this issue with the crank pulley, but that's what I based my decision on.
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Old Apr 18, 2005 | 07:26 PM
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ASP,no problems here.
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Old Apr 18, 2005 | 07:41 PM
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I have the ASP and Gatorback Belt's and never had an issue with throwing a belt.
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Old Apr 18, 2005 | 07:59 PM
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I really liked my March UD pulley that I had on my pewter car. I will be getting another one of those when the time comes for the Black car. My .02
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Old Apr 18, 2005 | 08:58 PM
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ASP here to.
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Old Apr 18, 2005 | 09:33 PM
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SLP here too for the higher walls and steel construstion.
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Old Apr 18, 2005 | 10:13 PM
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check summit. they have the pioneer pully for 149! looks the same as the slp......
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Old Apr 19, 2005 | 12:04 AM
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Originally Posted by BriancWS6
I really liked my March UD pulley that I had on my pewter car. I will be getting another one of those when the time comes for the Black car. My .02
The March is on mine as well... haven't heard too many people using it though, so I guess we're one of the few. Although, I can't quite say I've had the engine up and running since (due to other major issues)
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Old Apr 19, 2005 | 12:05 AM
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Lovin' my ASP
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Old Apr 19, 2005 | 12:46 AM
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Originally Posted by TJ
check summit. they have the pioneer pully for 149! looks the same as the slp......

I couldnt find that one.
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Old Apr 19, 2005 | 09:59 AM
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Sounds like the ASP/gatorback setup is pretty dependable. I just wonder about longevity of taking off and on since it has aluminum vs SLP full steel.
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Old Apr 19, 2005 | 09:15 PM
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Originally Posted by rawlitogut
I couldnt find that one.
http://store.summitracing.com/partde...=KeywordSearch
busted.
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Old Apr 19, 2005 | 09:20 PM
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i'm having problems with my ASP pulley. i think it's because of it being taken on and off several times for cam swaps and things. it will no longer stay on the car,it keeps backing out the bolt and comming off.
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Old Apr 19, 2005 | 11:52 PM
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I've taken my March pulley on and off at least 3 times and I have yet to run it. I hope that doesn't happen to me.
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Old Apr 20, 2005 | 12:12 AM
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Is it OK to put locktite on the bolt to keep it from backing off? Anyone? I'm about to put my pulley in and may put some on it, if it doesn't harm anything.
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Old Apr 20, 2005 | 04:04 AM
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I've been hearing that U/Ds are known to cause more vibration (noticable) in the motor
ANY input on this ??????
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