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bolt pattern for my ride

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Old Jan 7, 2005 | 07:00 AM
  #1  
BulliTooth's Avatar
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From: Michigan
Car: 1989 Formula
Engine: L98
Transmission: 700R4
Axle/Gears: 9 bolt GW6
bolt pattern for my ride

i know the wheel im going to buy, but im not sure the size of my bolt pattern. im little lost on the whole back space thing....lol, how can i find out? its a 89 formula. the wheel im looking at is 17x8"
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Old Jan 7, 2005 | 08:15 AM
  #2  
paulo57509's Avatar
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From: Tracy, CA
Car: '87 IROC
Engine: LB9
Transmission: TH700R4
Bolt pattern should be 5 x 4.75 (5 holes equally spaced on a 4.75 inch diameter circle).

Backspacing is measured from the back face of the wheel hub to the outside of the rim.
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Old Jan 7, 2005 | 09:20 AM
  #3  
BulliTooth's Avatar
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From: Michigan
Car: 1989 Formula
Engine: L98
Transmission: 700R4
Axle/Gears: 9 bolt GW6
Originally posted by paulo57509
Bolt pattern should be 5 x 4.75 (5 holes equally spaced on a 4.75 inch diameter circle).

Backspacing is measured from the back face of the wheel hub to the outside of the rim.
dose the backspace really make a diffrence on what wheel i should get? the wheel im getting comes with ether 4" or 4.75" back space.
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Old Jan 7, 2005 | 09:46 AM
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From: Harford County, MD
Car: camaro sportcoupe
Engine: 7.0L
Transmission: G-Force GF5R
Axle/Gears: Moser 9"
4.75" backspace will tuck that wheels nicely. i would go with that.
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