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Old 01-12-2018, 02:28 PM   #1
Larry Ingram
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Join Date: Dec 2006
Location: Jackson,Ms.
Posts: 28
Thumbs down 92 Firebird rear wheels

Will a 10.5x29.5 or 10.5x30.0 fit under stock 1992 firebird rear well, and if so what rim width and back-spacing do you recommend ? Thanks, Larry
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Old 01-12-2018, 07:15 PM   #2
Eman
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Default Re: 92 Firebird rear wheels

I've got an 85 Camaro bracket car. I've done extensive modifications to fit my 29.5x10.5W MT's on 10" rims with 6.5BS. Even with 5.5 BS it takes a lot of modifying. Since mine is a bracket car the cutting pounding and grinding don't matter, but on a stocker I doubt it will fly. I actually mini tubbed the front of the inner wheelwell back when I had 29x10.5 Hoosiers and 5.5 BS. it took removing the coil springs and cutting off all of the bulge where the coils sat, i went to coilovers. The 29.5 MT slick is very big, the 29.5 PBRS have a little more room. My car has a 9" from a 71 Torino under it, the width is close to stock.
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Old 01-15-2018, 05:17 PM   #3
Larry Ingram
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Smile Re: 92 Firebird rear wheels

Thanks,Eman This is a bracket car also
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Old 01-16-2018, 08:23 AM   #4
richie 2
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Default Re: 92 Firebird rear wheels

wolfe racecraft make a nice mini tub for that car...
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Old 01-16-2018, 08:02 PM   #5
Eman
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Default Re: 92 Firebird rear wheels

The problems are really at the frt. lower factory tub of the wheelwell. Hrd to fit much on a 10" wheel with the way that frt section is shaped. I used a sawzall and cut the frt. section out and made a box. Then as time progressed and i tried the 29.5x10.5W It took a lot more cutting. If I was starting over with one of these bodies I either would have back halfed the car for big tires or at the very least cut a lot more out. The factory coil spring pockets are a problem area as the bulge into the tire space. Either commit to the sawzall or stay with stocker size tires and make the suspension work. Small tires can be a liability on many tracks when bracket racing, especially if you build power or have a lot of starting line ratio.
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