need help! urgent!

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Jul 13, 2005 | 12:20 PM

belgian dude

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Junior Member

Joined: Nov 2004

Posts: 14

Likes: 0

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

Jul 13, 2005 | 12:28 PM

soulbounder

Supreme Member

Joined: Jul 2000

Posts: 1,787

Likes: 20

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.

Jul 13, 2005 | 08:03 PM

spartyon

Supreme Member

Joined: Sep 2001

Posts: 2,308

Likes: 2

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?

Jul 13, 2005 | 09:00 PM

TheGreatJ

Senior Member

Joined: Jun 2000

Posts: 998

Likes: 0

From: Tuscaloosa, AL

Car: 91Z, 91RS, '84 Jimmy

Engine: L98, 355, L98

Transmission: 700R, T56, 700R4

4.75in = 120.65mm

Jul 14, 2005 | 07:40 AM

soulbounder

Supreme Member

Joined: Jul 2000

Posts: 1,787

Likes: 20

From: Tomball, TX

Car: 89 TTA

Engine: Turbo 3.8

Transmission: 200R4

Yea, we use the metric system.

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