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slp runners

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Old Mar 15, 2009 | 12:11 PM
  #1  
wgripp's Avatar
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From: Valdosta, GA
Car: 1991 Trans Am GTA
Engine: L98(5.7 L TPI)
Transmission: 700r4(A4)
Axle/Gears: G80 RPO, 3:23s, Auburn Racer's Diff
slp runners

How much of a horsepower and 1/4 mile gain will I see with a set of SLP runners on an L98?

What's the best place to order them from?

Thanks,
Bill
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Old Mar 15, 2009 | 09:10 PM
  #2  
Kevin91Z's Avatar
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From: Orange, SoCal
Car: 1990 Pontiac Trans Am
Engine: 355 TPI siamesed runners
Transmission: Tremec T56
Axle/Gears: 12-Bolt 3.73
Re: slp runners

SLP stopped making them new, so you'll have to find them used from classified ads.

I've seen people claim 10 hp and one to two tenths faster in the 1/4 mile.

If you have the capability to shorten the divider inside them, and port-match them to your intake, you'll gain even more.
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