Wheel Fitment Help?!
Thread Starter
Junior Member
Joined: Dec 2013
Posts: 33
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From: San Diego
Car: 1992 Camaro RS
Engine: 305
Transmission: A4
Wheel Fitment Help?!
I want to buy wheels for a 92 camaro rs. I want wide enough wheels in the rear to sit flush with the fender and want thick tires. Only problem is, I dont know what will fit. Basically it will be a 17 inch rim in the rear with beefy tires. I want to know what the widest rim along with the perfect offset that will not only sit flush with the fender, but will not rub. I just wanna know what will work. If you could help with the front as well, that'd be perfect!
Joined: Aug 2011
Posts: 2,379
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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: Wheel Fitment Help?!
Wheels that come to mind in 17s
Ctw Motorsport 17x9.5 all around can be widen
Or
Zr1
17x9.5 front
17x11 rear
Need wheel adapter and work on the rear fender wheel can use 4th gen rear
Ctw Motorsport 17x9.5 all around can be widen
Or
Zr1
17x9.5 front
17x11 rear
Need wheel adapter and work on the rear fender wheel can use 4th gen rear
Thread Starter
Junior Member
Joined: Dec 2013
Posts: 33
Likes: 0
From: San Diego
Car: 1992 Camaro RS
Engine: 305
Transmission: A4
Re: Wheel Fitment Help?!
what is the offset for the wheels? i bought wheels that are 17x8 with 255/40/17 and they dont fit because of offset. its like 0 or something. im selling them for $20 more than what i bought them for and someone is gonna buy them. i just dont know what my offset has to be along with tire size so it will fit and not rub in rear. i want thick tires in rear and normal in front so im able to turn without rubbing.
Thread Starter
Junior Member
Joined: Dec 2013
Posts: 33
Likes: 0
From: San Diego
Car: 1992 Camaro RS
Engine: 305
Transmission: A4
Re: Wheel Fitment Help?!
basically, i want 10s in the rear, but just to have that, what is the offset im looking for so they won't rub with 17s along with a decent tire size?
Supreme Member

Joined: Jul 1999
Posts: 2,755
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From: Ahead of you...
Car: 1984 LG4 Camaro
Engine: 350 Roller Motor
Transmission: Level 10 700R4
Axle/Gears: Strange 12 bolt 3.42
Re: Wheel Fitment Help?!
You can run 10" wheels with the right BS/offset. but the selection of 285 width tires is a fraction of the tires available in 275. 315 is quickly becoming a scarce size these days also.
5.25" BS or 0mm offset brings the tire to the edge of all 4 fender wells in the 9.5" size.
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Joined: Mar 2007
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From: San Leon, TX
Car: 91 RS and 88 IROC-Z
Engine: 305 TBI and 383 Carb
Transmission: 700R4/2200 stall & 700R4/3500 stall
Axle/Gears: 3.42 posi and 4.11 posi
Re: Wheel Fitment Help?!
Is the 4th gen rear 1.5" or 2 " wider?
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Joined: Mar 2007
Posts: 169
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From: San Leon, TX
Car: 91 RS and 88 IROC-Z
Engine: 305 TBI and 383 Carb
Transmission: 700R4/2200 stall & 700R4/3500 stall
Axle/Gears: 3.42 posi and 4.11 posi
Re: Wheel Fitment Help?!
Is the 4th gen rear 1.5" or 2" wider?
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iTrader: (1)
Joined: Mar 2007
Posts: 169
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From: San Leon, TX
Car: 91 RS and 88 IROC-Z
Engine: 305 TBI and 383 Carb
Transmission: 700R4/2200 stall & 700R4/3500 stall
Axle/Gears: 3.42 posi and 4.11 posi
Re: Wheel Fitment Help?!
I run 285-40/17 on a 17x9.5 with 5.5 backspacing on the rear without any issues and the tires don't stick out past the fenders.
Joined: Aug 2011
Posts: 2,379
Likes: 10
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: Wheel Fitment Help?!
Ebay or got mines from Motorsport-tech for custom ones to my specs
Member
iTrader: (1)
Joined: Mar 2007
Posts: 169
Likes: 0
From: San Leon, TX
Car: 91 RS and 88 IROC-Z
Engine: 305 TBI and 383 Carb
Transmission: 700R4/2200 stall & 700R4/3500 stall
Axle/Gears: 3.42 posi and 4.11 posi
Re: Wheel Fitment Help?!
Are you sure about being 2" wider on both sides? Another member on here said 1" per side.
Joined: Aug 2011
Posts: 2,379
Likes: 10
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: Wheel Fitment Help?!
2" on each side hence why people dont use adapter on the rear
With camaro or corvette offset wheels
1" is not correct
With camaro or corvette offset wheels
1" is not correct
Member
iTrader: (1)
Joined: Mar 2007
Posts: 169
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From: San Leon, TX
Car: 91 RS and 88 IROC-Z
Engine: 305 TBI and 383 Carb
Transmission: 700R4/2200 stall & 700R4/3500 stall
Axle/Gears: 3.42 posi and 4.11 posi
Re: Wheel Fitment Help?!
Ok, thanks. So I would need 9.5 wide wheel with 71/2" backspacing with 4th gen rear to get the same results as a 9.5 wide wheel with 51/2" backspacing on a 3rd gen rear?
Member
iTrader: (1)
Joined: Mar 2007
Posts: 169
Likes: 0
From: San Leon, TX
Car: 91 RS and 88 IROC-Z
Engine: 305 TBI and 383 Carb
Transmission: 700R4/2200 stall & 700R4/3500 stall
Axle/Gears: 3.42 posi and 4.11 posi
Re: Wheel Fitment Help?!
I was looking at oe wheels website and the have 18x9.5 with 54 offset and 18x10.5 with 56 offset. Would 265-35/18 up front with 2" sspacers and 315- 35/18 with no spacers and 4th gen rear work?
Joined: Aug 2011
Posts: 2,379
Likes: 10
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: Wheel Fitment Help?!
275s up front is ideal
rears would work with no adapter iirc as long you have 4t gen rear
take a look at the corvette wheel thread there's ton of info there
rears would work with no adapter iirc as long you have 4t gen rear
take a look at the corvette wheel thread there's ton of info there
Member
iTrader: (1)
Joined: Mar 2007
Posts: 169
Likes: 0
From: San Leon, TX
Car: 91 RS and 88 IROC-Z
Engine: 305 TBI and 383 Carb
Transmission: 700R4/2200 stall & 700R4/3500 stall
Axle/Gears: 3.42 posi and 4.11 posi
Re: Wheel Fitment Help?!
So 2" spacers would be enough up front? I have 1.5" now.
Joined: Aug 2011
Posts: 2,379
Likes: 10
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
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