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Registered
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498 Posts
Discussion Starter #1
Im about to go with a new cam and was told to go ahead and get a underdrive pulley since its gonna have to come off anyways, so i was wonder which underdrive pulley should i go with? Which one is best?
 

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Southside Tuner
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647 Posts
I like the new SLP pulley, Its a one piece design and has extra tall belt retention walls, a deffinent step up, and the price isnt bad either
 

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Parting My GTO Out
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1,833 Posts
I like the SLP because of the higher retention walls. No problems here so far.
 

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Baby Elvis FTW!
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736 Posts
A few guys have had problems throwing belts with the ASP pulley. I chose the SLP because of the higher retention walls also.

I'm sure there are plenty of people that run the ASP with no problems though.
 

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Registered
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602 Posts
I have the SLP pulley and went with it because it is keyed. So, if you have an aftermarket crankshaft that is keyed there is a firm connection in the event you go with forced induction.
 

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Missing my little one.
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21,341 Posts
I have the SLP one. Order it from Tom Byrne's (TBYRNE sponsor on the left) it's a little extra but comes with the 2 extra belts that you need.
 

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TBYRNE Performance
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4,529 Posts
You won't go wrong with either brand. SLP has the crank pulley by itself. ASP also offers that along with a crank/alternator pulley package. As City Goat mentioned, the packages that we sell also include the required belts and bolt.
 

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Black is Beautiful!
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282 Posts
tbyrne said:
You won't go wrong with either brand. SLP has the crank pulley by itself. ASP also offers that along with a crank/alternator pulley package. As City Goat mentioned, the packages that we sell also include the required belts and bolt.
Hey Tom,

What kind of belts come with your pulley packages? I need to order these soon, and I was just wondering. Thanks in advance.
 

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Ka-Boom!
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1,987 Posts
I am running the SLP, no problems at all. Got it from T-byrne as a package with the bolt and belts. Im happy with it, no more power steering whine and the hp/tq gains were a plus, Thanks Tom!
 
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