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Need help with 18" wheel backspace

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Old Jul 6, 2005 | 11:18 PM
  #1  
paccio's Avatar
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Junior Member
 
Joined: Feb 2004
Posts: 19
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From: illinois
Car: 89 tta
Engine: 3.8 turbo
Need help with 18" wheel backspace

I'm gonna order custom Simmons wheels. I'm gonna go with....


18x9.5 front 275/35/18 ?
18x10 back 295/35/18 ?

Now i need help figuring the proper bs.

I have the ronal firehawk on the car now. They are 9.5 wide with no rubbing issues at all.

Also what tire size would go with those wheels?

I'm gonna be selling the Ronal wheels if anybody is interested.

There chrome and in perfect condition, with 275/40 front tire and 315/35 Nitto drs outback.
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Old Jul 7, 2005 | 07:41 AM
  #2  
CrazyHawaiian's Avatar
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Joined: Apr 2001
Posts: 5,675
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From: Changing Tires
Car: too many ...
The backspacing is dependant on the width of the wheel not the diameter so anyone running 17x9.5" front and 17x10" rear would be using the same backspacing you need. I recommend searching for "*x9.5 backspace" and "*x10 backspace" to find your answers.
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Old Jul 10, 2005 | 11:51 PM
  #3  
irocdan's Avatar
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Joined: Aug 2001
Posts: 540
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From: Granada hills,ca
Car: 88 Iroc vert
Engine: 305 tpi. cts-v brakes
Transmission: Tremec T-56
Axle/Gears: 3.23
heres mine those same size tires but zo6's

Last edited by irocdan; Oct 2, 2007 at 03:43 PM.
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