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Whats with the wheels??

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Old Sep 17, 2007 | 07:32 PM
  #1  
racing geek's Avatar
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From: Milwaukee, Wisconsin
Car: 1987 IROC-Z
Engine: 383 with Edelbrock ProFlow EFI
Transmission: TH350
Axle/Gears: 12 bolt 3.73 Eaton posi
Whats with the wheels??

Why do my iroc wheels say front on the front wheels and rear on the rear wheels?

Do they have a differant offset, or is the clearence a little differant, or just one of GM's useless ideas?
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Old Sep 17, 2007 | 07:41 PM
  #2  
//<86TA>\\'s Avatar
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From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: Whats with the wheels??

different offset
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Old Sep 17, 2007 | 10:00 PM
  #3  
Jim Berry's Avatar
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Joined: May 2001
Posts: 552
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From: San Antonio, Texas
Car: '86 Trans Am
Engine: LG4
Transmission: 700R4
Axle/Gears: 3.70 Posi disc 9 bolt
Re: Whats with the wheels??

Same on the 16" rims on the Firebird Formula.

Jim.
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Old Sep 18, 2007 | 08:41 PM
  #4  
racing geek's Avatar
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iTrader: (5)
 
Joined: Aug 2007
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From: Milwaukee, Wisconsin
Car: 1987 IROC-Z
Engine: 383 with Edelbrock ProFlow EFI
Transmission: TH350
Axle/Gears: 12 bolt 3.73 Eaton posi
Re: Whats with the wheels??

Ive got an 87 IROC-Z with 16's
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Old Oct 6, 2007 | 03:13 PM
  #5  
racing geek's Avatar
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Joined: Aug 2007
Posts: 1,525
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From: Milwaukee, Wisconsin
Car: 1987 IROC-Z
Engine: 383 with Edelbrock ProFlow EFI
Transmission: TH350
Axle/Gears: 12 bolt 3.73 Eaton posi
Re: Whats with the wheels??

what is the offset differance?
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Old Oct 6, 2007 | 04:19 PM
  #6  
The Project's Avatar
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From: West of Toronto
Car: 89 IROC
Engine: 305 TPI / ZZ4 cam
Transmission: Stage 2 700R4, LS1 driveshaft
Axle/Gears: Strange 3.42 w/ Auburn
Re: Whats with the wheels??

Front 0mm
Rear +16mm
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