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Wheel offset sizes for GTA style wheels

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Old Feb 24, 2004 | 02:05 PM
  #1  
Mr. TurboTA's Avatar
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From: Kingman, AZ
Wheel offset sizes for GTA style wheels

Hi all!
I was just wondering if anyone knew what the offset is for the Front and rear wheels for the GTA style Diamond Spoke wheels in the 16x8 inch size.
I'm not even sure if the question is for this section or not.

Thanks,

George
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Old Feb 24, 2004 | 03:44 PM
  #2  
BretD 88GTA's Avatar
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Hey George!
The GTA wheels use a 0mm offset in front and a +16mm offset in the rear.

Backspacing breaks down as - front rims would have 4.25" of backspacing. The positive 16mm rear rims have about 4.9" of backspacing.

This info. comes from the Skulte web site: http://www.skulte.com/adapterfaq.html
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Old Feb 24, 2004 | 04:27 PM
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From: Kingman, AZ
Hi Bret!
Thanks for the info!
You would think with all the GM crap I have, I could find it!
I spent over an hour looking thru my books! No good!
So..............how's the weather out there??
Getting tons of rain out here.
I'll soon be back out there for another load! I think I'm halfway done.

Have a good one,

George
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Old Feb 24, 2004 | 07:31 PM
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From: Dayton, OH
Car: 88 Trans Am
Engine: 5.7 TPI
Transmission: 700r4
so which rim is swappable?

Can the back one be used on the front....or can the front one be used on the back?

Reason I'm asking is because I have one back rim and one front rim and I wondered if I could make either a back set or a front set. Seems like you should be able to do one of those.
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Old Feb 24, 2004 | 08:58 PM
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From: Los Angeles, Ca.
Car: Base Firebird
Engine: TPI 350
Transmission: T56
Axle/Gears: D44
you can throw the fronts on the rear and they'll stick out a little more than rears would on the rear.... however, having rears on the front will cause them to rub..... I know this due to a certain project 82 t/a :cough, cough: that has fronts on the rear and one rear on the front............


Hey George! ya know, as long as you keep on posting, Alex and I aren't gonna leave you alone! oh, btw, we saw a good looking 80 indy pace car (thank alex for knowing what it was)... original paint and all! he said that you'd be going crazy if you were there...


Last edited by 90firebird; Feb 24, 2004 at 09:05 PM.
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Old Feb 24, 2004 | 09:08 PM
  #6  
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From: Chicagoland
Car: 1983 Daytona Trans Am
Engine: LG4
Transmission: T5
Axle/Gears: 3.73
Originally posted by 90firebird
you can throw the fronts on the rear and they'll stick out a little more than rears would on the rear.... however, having rears on the front will cause them to rub..... I know this due to a certain project 82 t/a :cough, cough: that has fronts on the rear and one rear on the front............
Yeah yeah shut up. It would have all 4 on but my other rear has a flat.

That '80 was awesome. I wish I had it........

Last edited by Agent13; Feb 24, 2004 at 09:12 PM.
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Old Feb 25, 2004 | 02:35 PM
  #7  
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From: Kingman, AZ
Hi guys!
Ya, Alex would have all four, but he didn't want to get mine off me! So............they are all here in Kingman, Arizona now!! HaHa!
I've already got a list going on who wants them out here!
On a side note, I will be getting some more! A deal is in the works!! HeHe!

Now guys,
I know, and have seen that '80 Indy Turbo already! Sits in front of that Retirement Home/gated community there on PCH! It's been there for years! The owner thinks is really big $$$$ than what it's worth!
Nice car though!
So, when are you guys making a road trip??
I should be back for another load next week!

Have a good one guys,

George
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Old Feb 25, 2004 | 02:51 PM
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From: Dayton, OH
Car: 88 Trans Am
Engine: 5.7 TPI
Transmission: 700r4
Sorry, I hate to be a pain....but just making 100% absolutely positively sure that if I used one rear and one front GTA rim to make a set of rear rims to use for drom drag radials, that I'd have no issues with them not working, not fitting, not rotating right, or whatever. Would the different backspacing on each side throw everything out of balance? Am I being too paranoid?

thanks,
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Old Feb 25, 2004 | 03:18 PM
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BretD 88GTA's Avatar
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From: Woodland Hills, CA USA
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Originally posted by 4mul8r
Sorry, I hate to be a pain....but just making 100% absolutely positively sure that if I used one rear and one front GTA rim to make a set of rear rims to use for drom drag radials, that I'd have no issues with them not working, not fitting, not rotating right, or whatever. Would the different backspacing on each side throw everything out of balance? Am I being too paranoid?

thanks,
Not sure why you'd want to mix them. It will work, but keep in mind one wheel is gonna stick farther the other. Potentially, I suppose it could also affect how straight the car tracks down the drag strip. It could cause you to launch toward one side.

Personally, I'd run matching rims. If you're planning to mix rims simply because that's what you have available, then I'd recommend searching eBay. You could pick up another scuffed rim cheap.
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