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  1. G

    Rear Wheel/Tire Combo

    OK, I'm very much in the planning stage. The car will be an '81 to '87 Grand Prix. LS3/6L80e/12 bolt Chevy or 9" Ford rear. I have settled on 17" x 9" with 5" back spacing Wheel Vintiques Pontiac Rallye II's. I will use a 275-40-17 tires which should be very close to the stock tire diameter...
  2. G

    Stroked LS3 '81 to '87 Grand Prix

    OK, I've been lurking, researching, and learning. First of all, I'm a Pontiac guy through and through. I had a '68 GTO for 25 years. I traded it back in 2017 with no regrets. I had run my course with that car and had a lot of fun along the way. 1967 was my favorite year for the GTO and all...

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