Suspension and Chassis Questions about your suspension? Need chassis advice?

need help! urgent!

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Old Jul 13, 2005 | 12:20 PM
  #1  
belgian dude's Avatar
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Joined: Nov 2004
Posts: 14
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From: Belgium, Ghent
Car: Pontiac Firebird '91
Engine: 3.1 V6
Transmission: auto
need help! urgent!

Hi, i'm going to buy some rims tomorrow but i need to know the center size of a pontiac Firebird..
I mean..like 5 x 100 or so..
Because i can't find it anywhere

thanks very much

sam
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Old Jul 13, 2005 | 12:28 PM
  #2  
soulbounder's Avatar
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Joined: Jul 2000
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From: Tomball, TX
Car: 89 TTA
Engine: Turbo 3.8
Transmission: 200R4
5 X 120.65

Typically you will see it as 5 X 120.7
Occasionally you can use 5 X 120 as long as back spacing is correct.
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Old Jul 13, 2005 | 08:03 PM
  #3  
spartyon's Avatar
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Joined: Sep 2001
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From: winthrop harbor, il & plymouth, il
Car: 1986 camaro
Engine: 383 sbc
Transmission: th-400
Axle/Gears: 4th Gen 10 bolt/Detroit TrueTrac 4.
Isn't a typical GM five bolt pattern 5 x 4.75?
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Old Jul 13, 2005 | 09:00 PM
  #4  
TheGreatJ's Avatar
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Joined: Jun 2000
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From: Tuscaloosa, AL
Car: 91Z, 91RS, '84 Jimmy
Engine: L98, 355, L98
Transmission: 700R, T56, 700R4
4.75in = 120.65mm
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Old Jul 14, 2005 | 07:40 AM
  #5  
soulbounder's Avatar
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Joined: Jul 2000
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From: Tomball, TX
Car: 89 TTA
Engine: Turbo 3.8
Transmission: 200R4
Yea, we use the metric system.
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