LS4 Performance Grand Prix GXP | Monte Carlo SS | Impala SS | LaCrosse Super

so i want a gxp now

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Old May 29, 2007 | 06:37 PM
  #21  
jabronie78's Avatar
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Why aren't the tires the same size all the way around? Won't they fit? I know I looked at my Monte and I don't think any wider tire would fit. Looks like it would rub on the strut.
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Old May 29, 2007 | 10:25 PM
  #22  
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The bigger front tires are supposed to make a better handling package for road use. Supposedly, the car is faster on a road course by a couple of seconds over the Impala SS (GM test). The package of wider front tires (reduce understeer), Bilstein shocks, and larger brakes (c4 vette brakes were used for the engineering car(s) and were the target) were supposed to make the car more suitable for even a track day or two. The front fenders on the GXP are wider than a standard GP to accomodate the wider front tires. The front wheel openings are already rolled/clearanced from the factory.

Chip
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Old May 30, 2007 | 12:52 AM
  #23  
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+100 for GXP
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Old May 30, 2007 | 04:32 PM
  #24  
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We just have to buy new front tires. Front tires will need to be replaced sooner than rears anyways.

Bridgestone Potenza are expensive, which sucks!

Originally Posted by jabronie78
I was just breaking *****. How do you guys rotate your tires if you have different fronts and rears? Just swap from side to side?
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Old Jun 2, 2007 | 03:46 PM
  #25  
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Stock for stock, the S/C'd V-6 would get better gas milage, which mine averaged 5.5 mpg over the MCSS. That equals $$$ with todays retarded gas prices. Still needs premium though.

A few of my friends have the GP. Exterior is OK, I don't like the interior unless one of my friends is in it ... then I really don't notice it.
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