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325's vs 275's & wheel set-up for my car

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Old 01-26-2007, 06:53 AM
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Default 325's vs 275's & wheel set-up for my car

I'm finally getting to order my rear end, wheels and tires Monday. I have a few questions and would like some imput on my plans.

First big question is should I go with 325's or 275's MT ET Street Drag Radials. Motor is in sig with those mods. Looking at getting a TQ arm and a rear drag sway bar. I'm not sure which one I will hook better on but I figured someone hear would be able to guess a little better for me. The car is going to be about 80% street / 20% strip. I'll probably add a 100-250 shot of nitrous this summer so I don't think power will be any problem for the 325's. Will most likely end up with a 4:10 or 4:11 rear end gear. I can't remember which is for the 9" but thats where I planned on going.

Next question is my back spacing and narrowing of the rear end

My Plan
FRONT Jegs Sport Star wheels
15x7 4.00 backspacing w/ spacer
or
15x4 1.75 backspacing w/spacer

REAR

9" narrowed 1.5" on both sides

15x10 4.00 backspacing w/spacer

I've got UMI LCA relocation bracket to help make room for which ever tire I go with. Plus I've got the adj. panhard bar & adj. LCA's. It doesn't bother me to make the 325's fit but I want to make sure I don't have too much or too little tire.

Thoughts & opinion welcomed.
Old 01-26-2007, 06:55 AM
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1) relocation brackets dont help add room for the tire. the adj LCAs can
2) did you narrow the rear?
3) 325 hook much better. guys are going low 1.3 high 1.2 on these tires.
Old 01-26-2007, 07:11 AM
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I'm ordering both the rear end & tires on Monday. Once I set in that this is what I'm going with or if not maybe I can find a good used set of prostars. I'm planning on narrowing the rear end if I go with the Jegs Sportstars.




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