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Old Feb 20, 2013 | 07:54 PM
  #1  
Zach/90\irocZ's Avatar
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fitment question

quick fitment question

18x9.5 +12 front and rear 73.1 center bore

need about .5" spacer need all around ?

or

18x9.5 +30 front 18x10.5 +30 rear 73.1 center bore

Around 1" spacer needed give or take ?

is my math right just need 2nd pair of eyes on this

Think about getting anothe pair of wheels hhmmm maybe


Thanks Zach

Last edited by Zach/90\irocZ; Feb 20, 2013 at 08:00 PM.
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Old Feb 20, 2013 | 08:08 PM
  #2  
//<86TA>\\'s Avatar
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Re: fitment question

Provided the front hub fits through the ID of the wheel, they will fit without spacers. You could later add the spacer. I would suggest a 10mm spacer with the hubcentric flange
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Old Feb 20, 2013 | 08:21 PM
  #3  
Zach/90\irocZ's Avatar
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Engine: 305 to 350
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Axle/Gears: 10 Bolt
Re: fitment question

Originally Posted by //<86TA>\\
Provided the front hub fits through the ID of the wheel, they will fit without spacers. You could later add the spacer. I would suggest a 10mm spacer with the hubcentric flange

your talking about for +15 ones correct

+30 i would need some type of spacer ?

yea i have to get some measurments of that i know wheels i have now i need spacer due front hub

if im not mistaken hub is 70. sumthing millimeter correct

decisions decisions hmmmm
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Old Feb 20, 2013 | 08:25 PM
  #4  
Zach/90\irocZ's Avatar
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From: San Diego, California For Now
Car: 88 Formula, 90 Iroc RIP, 92 RS Sold
Engine: 305 to 350
Transmission: 700r4
Axle/Gears: 10 Bolt
Re: fitment question

yea i think i would need spacer looking at the cap sizes

73.1 -> 54.1,
73.1-> 56.1,
73.1-> 60.1,
73.1-> 64.1,
73.1-> 66.1,
73.1-> 67.1

i dont know how accurate are the numbers tho look into another source and there saying 68mm but even then still to small
but i expected that

now woundering if i should bother with staggered setup or squared up hmmm

thanks once again for your thoughts //<86>\\
long hard day at work has my math mess up right now

Last edited by Zach/90\irocZ; Feb 20, 2013 at 08:37 PM. Reason: spellin
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Old Feb 20, 2013 | 09:36 PM
  #5  
//<86TA>\\'s Avatar
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From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: fitment question

Yes, I was talking about the wheelz with 12mm offset
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Old Feb 20, 2013 | 10:01 PM
  #6  
Zach/90\irocZ's Avatar
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Car: 88 Formula, 90 Iroc RIP, 92 RS Sold
Engine: 305 to 350
Transmission: 700r4
Axle/Gears: 10 Bolt
Re: fitment question

thanks i was thinking along the same lines also

i guess i can do math when im tired lol
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Old Feb 21, 2013 | 06:35 AM
  #7  
//<86TA>\\'s Avatar
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From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: fitment question

If you get hubcentric rings, you need 73.1x70.3. Common size and get the aluminum ones not the plastic ones.
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Old Feb 21, 2013 | 08:58 AM
  #8  
Zach/90\irocZ's Avatar
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From: San Diego, California For Now
Car: 88 Formula, 90 Iroc RIP, 92 RS Sold
Engine: 305 to 350
Transmission: 700r4
Axle/Gears: 10 Bolt
Re: fitment question

yea i know always woundr why they came in plastic

im probably going too have to run spacer like on my 18x10 due to the hub
there hubcentric to hub and wheel pretty cool actually no need to run the little ring

i have 1.25 and 1in spacer laying around which would need those rings
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