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changing the bolt pattern.

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Old Mar 10, 2013 | 10:43 PM
  #1  
blaze15301's Avatar
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changing the bolt pattern.

I just bought a set of aluminum slots. the rears are 15 in and 10 inch wide. I am not even sure if they will fit in the wheel well. The front wheels are multi bolt parts. it looks like someone just oblong-ed the holes to fit. My question is is this safe for the rears? and where do i get it done? THe rears only barly dont line up.
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Old Mar 11, 2013 | 02:06 AM
  #2  
watajob's Avatar
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From: Location, Location!
Car: 92 T/A 'vert
Engine: Mild .040 over L98 4 bolt mains
Transmission: Mostly stock 700R4, 2600 Vigilante
Axle/Gears: LS1 3.42
Re: changing the bolt pattern.

My question is is this safe for the rears?
No.
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Old Mar 11, 2013 | 06:30 AM
  #3  
//<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: changing the bolt pattern.

If they are botched up, I would scrap them, probably cheaper to get new wheels than have thbe fixed and refinished.

But if you want to go that route, look around for a local wheel repair shop, they are out there, and they can tell you if they can be fixed
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Old Mar 11, 2013 | 07:10 AM
  #4  
bluegrassz's Avatar
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From: LONDON, KY
Car: Camaro
Engine: Carbed L98
Transmission: TH350
Axle/Gears: 3.73
Re: changing the bolt pattern.

They did produce these wheels back in the day with slotted bolt holes from the factory. They were built to fit 5-4 1/2" Ford or 5- 4 3/4" GM what I understand as called unilug.

http://www.torquethrustcentral.com/23.html
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Old Mar 11, 2013 | 08:25 AM
  #5  
Atilla the Fun's Avatar
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From: Northern Utah
Car: seeking '90.5-'92 'bird hardtop
Engine: several
Transmission: none
Axle/Gears: none
Re: changing the bolt pattern.

I have an old set of unilugs, the holes are slots for anything from 5x4.5" to 5x5". They require shank-style nuts and oval washers. These washers come in 2 styles. Offset holes for 5x4.5", centered holes for 5x4.75" and turn the offsets out for 5x5". These washers and nuts are still available new, but the wheels must have the recesses for the washers. Really not worth messing with mutilated wheels that don't fit when new wheels are still affordable. I just found new aluminum 15x10s with 5.5" backspace for $135 each, in 2 different styles, with matching 15x8" fronts on 4.5" backspace for $120 each. Steel is far cheaper, but you'll need to have some place like Stockton Wheel change the rear backspacing, unless you order directly from Wheel Vintiques or Cragar, any manufacturer that lets you custom-spec for a small additional cost.
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Old Mar 11, 2013 | 10:18 PM
  #6  
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Re: changing the bolt pattern.

I dont think the bolt pattern is off. I can get all 5 stud to line up put they rub the inside of the bolt holes. I am thinking about getting my axel drilled.
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Old Mar 14, 2013 | 09:24 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: changing the bolt pattern.

If they rub the holes, something is wrong.
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