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help with backspacing

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Old Nov 29, 2009 | 03:02 PM
  #1  
Motopsyco's Avatar
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Joined: Nov 2000
Posts: 283
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From: Plainwell, Mi U.S.A.
Car: 89 firebird, 03 Avalanche z71
Engine: 5.0 stock (for now)
Transmission: 700R4 auto
Axle/Gears: stock 2.73 for now
help with backspacing

I dont know as much about htis as many of you guys, so heres the question. I have been looking around at some simple low cost wheels for my 89, and I have heard the our cars are 4.75" up front and 5.25" out back for backspace, Now I have been looking at some american racing wheels and is confused now about the backspace. They ar listed at like 3.75 and 4" backspace, would a spacer be needed, because it seems like with less backspace means less wheel would be setting inward to hit anything, plus I had some american racing wheels on my old 83 t/a I had about 10 years ago, and dont remember having to do anything other than just bolt them on. Anyone please clear this up for me, so i at least know if I should be looking at other wheels and backspaces. Thanx alot in advance for any help you give.

--Stormr
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Old Nov 29, 2009 | 03:10 PM
  #2  
Stephen's Avatar
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Joined: Jul 1999
Posts: 12,212
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From: Bertram (outside Austin), TX
Car: 87 GTA
Engine: L98
Transmission: 700R4
Axle/Gears: Dana M78 3.27 posi
Re: help with backspacing

Less bs means they would be further out, not in. You might only need spacers if they were sitting further in, like with MORE bs.
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Old Nov 29, 2009 | 03:21 PM
  #3  
Motopsyco's Avatar
Thread Starter
Member
 
Joined: Nov 2000
Posts: 283
Likes: 0
From: Plainwell, Mi U.S.A.
Car: 89 firebird, 03 Avalanche z71
Engine: 5.0 stock (for now)
Transmission: 700R4 auto
Axle/Gears: stock 2.73 for now
Re: help with backspacing

thanx, thats what I was thinking, usually I wouldnt have needed to ask that question, but for some reason today, my brain is just not focusing enough to bother to think it through
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