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Help i am loosing my mind

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Old Feb 10, 2013 | 08:33 AM
  #1  
Brando5641's Avatar
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From: Siloam Springs AR.
Car: 1998 Trans/Am, 1989 RS Camaro
Engine: LS1, LQ9 6.0
Transmission: 4L60E, 4L60E
Axle/Gears: 2.73, 2.73
Help i am loosing my mind

I'm not a fan of doing this but could some one just give me the damn answer!!! I have been reading for days and for some reason i can not pound it in my head the understanding of backspacing and offset, it is blowing my mind for some reason. I know what they mean but i dont know what to do with them. I am hoping i can just get tossed a bone here on what spacers i need for the wheels i want or if they will even fit.

I am wanting to go with these http://www.ebay.com/itm/18-9-5-10-5-...e877f6&vxp=mtr

18/9.5 54mm off set with 7.38 back spacing (front)

18/10.5 56mm off set with 7.95 back spacing (rear)

I am aware that 4th gen wheels will fit on our cars (3rd gen rear end) with 2" spacers all around, but these deep dished wheels are diffrent right?

Question is will the 10.5 fit on the back with no mods? What size spacers do i need front and back, and what tire size do i need.
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Old Feb 10, 2013 | 02:49 PM
  #2  
//<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: Help i am loosing my mind

Shoot for zero offset in the front, so 54mm spacer or the next available size thinner, 2" is probably the best bet. Rear, 10.5 will need some hammering at the very least to fit and not sit outside the wheel wells, shoot for 6.5" of bs for that one, so about 1.5" of spacer. You may have to do a little more work on the rear around the bump stop area depending on rideheight ect. Most hammering is in the front of the wheels well, down low.

An adjustable panhard bar is a must, don't even try to fit those wheels without one.

275 front tire, shoule be a 35 series too but I'm not sure, just make sure its 25.7 tall or as close as possible, 295/35 rear.

Get a good custom alignment afterwards, do not use anything 'factory' as far as specs. Search on tgo for some better suggestions.
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Old Feb 10, 2013 | 05:42 PM
  #3  
Brando5641's Avatar
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Senior Member
iTrader: (-1)
 
Joined: Oct 2008
Posts: 809
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From: Siloam Springs AR.
Car: 1998 Trans/Am, 1989 RS Camaro
Engine: LS1, LQ9 6.0
Transmission: 4L60E, 4L60E
Axle/Gears: 2.73, 2.73
Re: Help i am loosing my mind

ok so to keep from using the bfh i should prob go with 9.5 all the way around.. with what tires? I think you are right on the fronts 275/35/18 but what should i run on the back it give it a little more "meat"

Last edited by Brando5641; Feb 10, 2013 at 05:45 PM.
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