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ASP underdrive pulley or SLP underdrive pulley?

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Old 12-11-2009, 09:13 PM
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Does everyone with the SLP/Powerbond run an overdrive alternator pulley??
Where do you get them from??
Old 12-12-2009, 02:32 PM
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No overdrive alt for me and charging is perfect. No issues.
Old 12-12-2009, 03:43 PM
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Originally Posted by 01ssreda4
No overdrive alt for me and charging is perfect. No issues.
+1...no overdrive pulley for me either. I have an amp and have no issues whatsoever.
Old 12-12-2009, 03:48 PM
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Originally Posted by dgu1rt
about how much does the ati ud pully cost and what kind of power increase does this make?

All pulleys will be similar and will reduce hp loss through the accessories by a few hp. Nothing huge and they all will be similar. Since they all yield "essentially" the same performance results, go with the one thats made the best and is the most reliable. I only did one because I was doing a cam, not because I wanted a few extra hp.
Old 12-12-2009, 10:03 PM
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i think i will go with the SLP 25% UD pulley. i have an alternator high output kit that will up the amps from 105 amps to 220 amps so that there is no charging issue.
Old 12-12-2009, 10:22 PM
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Originally Posted by Abdullah
i think i will go with the SLP 25% UD pulley. i have an alternator high output kit that will up the amps from 105 amps to 220 amps so that there is no charging issue.
You can't just make more power without getting a bigger alternator. You want to link me to this product?
Old 12-13-2009, 10:01 PM
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Originally Posted by Dom
You can't just make more power without getting a bigger alternator. You want to link me to this product?
here is the link :

http://www.springhillautoelectric.co...d&productId=39
Old 12-15-2009, 01:31 AM
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Originally Posted by Abdullah
So it's basically a rebuilt kit for making a HO alt. Price doesn't seem too bad.
Old 12-18-2009, 06:47 AM
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I just ordered summit's crank pulley from them. it was only 182.99. I mainly ordered it cause i needed it next day and it was the cheapest. Anyone heard anything bad from them? Also i need a part number for the goodyear gator back belt for a underdrive crank & alt. pulley.
Old 12-19-2009, 05:55 PM
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my ASP pulley started to separate.
I could rotate the outer ring by hand.
I went with a powerbond as the replacement.
Old 12-19-2009, 06:06 PM
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It sounds like ASP has some quality/longevity issues from looking at various posts on this subject.
I think SLP or Powerbond is the better choice.
Old 12-19-2009, 06:34 PM
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well i got my dummit brand one in yesterday and it looks like they based theirs off the slp design because it looks identical with the high walls too.
Old 12-19-2009, 07:05 PM
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Did yours come with an (overdrive) alternator pulley also?? Like the one in this picture... http://www.summitracing.com/parts/SUM-C2520/ ??
Old 12-19-2009, 07:06 PM
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what should a 900hp flywheel turbo car use?
Old 12-19-2009, 07:13 PM
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ummm...wheelie bars and a parachute???

On a little more serious note...not sure if that would require something a little more advanced like a Fluidampr or not.
Old 12-19-2009, 11:15 PM
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Originally Posted by Paul57
Did yours come with an (overdrive) alternator pulley also?? Like the one in this picture... http://www.summitracing.com/parts/SUM-C2520/ ??
No i had a alt. pulley given to me. this is what i bought....

http://www.summitracing.com/parts/SUM-C2502/

bbut what you posted is only 7 dollars more lol but not the right pulley
Old 12-20-2009, 01:59 PM
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Abdullah,

they will both performe the same (NO BIGGY), why do u care about track numbers since we dont have it here ,
make sure u order the acc belt from the US, it was a PITA looking for one here.

good luck.

EDIT: I have a brand new 200amp alternator from Load Boss High Output Alternators, ill let it go for 80kd (it weights approximatle 20lbs).

Last edited by Engine_HP; 12-20-2009 at 02:30 PM.
Old 12-20-2009, 10:56 PM
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Ordered my Powerbond today!
Old 12-21-2009, 12:30 AM
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If i were to do it again, i would get the slp...it would avoid headaches. It has a higher lip...so the belt won't come off.
Old 12-21-2009, 07:14 AM
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Originally Posted by SuperSam
If i were to do it again, i would get the slp...it would avoid headaches. It has a higher lip...so the belt won't come off.
the summit is identical


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