68 Camaro wheel problems - Team Camaro Tech
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post #1 of 18 (permalink) Old Feb 10th, 12, 06:05 PM Thread Starter
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68 Camaro wheel problems

Hello everybody just joined today and hope I can get some help as I am kinda lost. I have a 68 Camaro with a big block and im trying to put some rallies on it. I took off the slicks and skinnies that came on the car and put on some 15x8 rally wheels with 235/60 up front and it is rubbing. So bad I can't even get out of the driveway. I have done some research and alot of people say this should work. I tried my buddies 15x7 wheels with same setup and same thing. Any advice on where to start would be appreciated!!!!
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post #2 of 18 (permalink) Old Feb 10th, 12, 08:54 PM
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George
 
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Re: 68 camaro wheel problems

Greetings,
I have a 68 Ragtop that I am building. I have read 235s will rub on a 68. Probably worse if the car is lowered or the SBC springs were not replaced with BBC springs.

For the time being, I will run some 15x7 Rallys with 215/65/15s. These will be the cruising tires for the 68 Vette, currently has redline bias plys. Some day, will have some 17s/18s on the Camaro

George Kettler
US ARMY Retired
o 70 Elky SOLD 9/2016
o 68 Vette 427, 4 spd ac owner 25 years
o 68 Camaro Rallye Green Vert 327/2004R/3.73
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post #3 of 18 (permalink) Old Feb 10th, 12, 09:24 PM
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dave
 
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Re: 68 camaro wheel problems

this was my 68 camaro with a 396,disc brakes.big block springs lowered 2 inches with 235-60-15s.they fit nice and didn't rub.how does the amount of tire in the fenderwell compare to your car.might need different springs. Dave
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post #4 of 18 (permalink) Old Feb 11th, 12, 01:24 AM
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Garth
 
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Re: 68 camaro wheel problems

dunno, have heard of guys getting away with 235's up front and others not.....always figured 225 was the widest, safe bet.

Need to remember, disc brakes moves the wheel out around 3/8", compared to drum, if I'm not mistaken...

What backspace are the wheels ?

  • '68 RS, AA, 749, L30, M(uncie)20 (originally a 3spd), 15yr backburner resto........
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post #5 of 18 (permalink) Old Feb 11th, 12, 07:53 AM
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Re: 68 camaro wheel problems

I have a 225/65-15 on rallies on the front of my 68 they rub a little if I hit a big bump.My front is lowered about an inch and a half,had 235/60 on the front before lowering with no problems.
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post #6 of 18 (permalink) Old Feb 11th, 12, 08:00 AM
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mark
 
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Re: 68 camaro wheel problems

I have a 68 with hotchkis 2 inch drop springs. I had to mount 205 60 15 on my 7 inch rallys to avoid rubbing. Btw you have the right year

68 originally ss (straight six) 406,Afr210,Bullet solid roller,rpm airgap,QF750,th400,3.73 Eaton posi.11.02 @ 122.74
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post #7 of 18 (permalink) Old Feb 11th, 12, 10:56 AM Thread Starter
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Re: 68 camaro wheel problems

Thanks for all the replies! From what I was told the sbc springs were replaced with bbc springs. It has factory front disks and was told it came origanl with hub caps? A 215 or 225 may work but im kinda thinking it has to do with the springs.
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post #8 of 18 (permalink) Old Feb 11th, 12, 11:02 AM Thread Starter
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Re: 68 camaro wheel problems

Not sure on backspacing but wheels and tires were took off a 72 vette.
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post #9 of 18 (permalink) Old Feb 11th, 12, 04:04 PM
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Re: 68 camaro wheel problems

my wheels were also off of a early 70's vette
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post #10 of 18 (permalink) Old Feb 11th, 12, 04:40 PM
 
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Re: 68 camaro wheel problems

Quote:
Originally Posted by dave lucas View Post
my wheels we...
Was your Camaro factory disc?
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post #11 of 18 (permalink) Old Feb 11th, 12, 07:29 PM
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dave
 
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Re: 68 camaro wheel problems

they were factory but not on my car i installed them out of a donor 69 nova which were the same as camaro brakes.only replaced the spindles,rotors and calipers.wheelswere not installed until after the conversion.Dave
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post #12 of 18 (permalink) Old Feb 11th, 12, 07:39 PM
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Garth
 
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Re: 68 camaro wheel problems

15x8 'Vette from 69-82 I think, are 4" backspace. Code AZ by the valve stem hole.

Where do they rub ? I'm guessing not the frame but the fenderwells ??

Sorry I can't be of more help....bottom line, I'd say too much tire, but somehow other folks can make'm work.... it's beyond me.

  • '68 RS, AA, 749, L30, M(uncie)20 (originally a 3spd), 15yr backburner resto........
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post #13 of 18 (permalink) Old Feb 11th, 12, 10:57 PM Thread Starter
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Re: 68 camaro wheel problems

To make a long story short the car has been a "race car" for a long time and im not sure of everything that has been changed. I got the car from a family member and have known about it but don't know exactly about anything but the motor and trans rear end etc. So while its winter here in Michigan I think im gonna just go through the whole suspension.
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post #14 of 18 (permalink) Old Feb 12th, 12, 07:22 AM
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Re: 68 Camaro wheel problems

The 235's will fit, but it is the 8" wheel that pushes them out too far. Tried the same with my 68, using a set of factory 8" Vette wheels.

In the post above that claims they worked, the picture shows a 7" wheel. They will work on 7's, but not on 8's unless you have greater backspacing.
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post #15 of 18 (permalink) Old Feb 13th, 12, 09:13 AM
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Re: 68 Camaro wheel problems

I've got 225/60's on 15x7 with 3.76BS up front and they just clear with Hotchkis springs. If I put 4 people in the car and push the corners hard I will get slight rubbing on right side under spring compression.


Russ (RJ)
The Garlic Capital, Gilroy,CA

(sold June 15,2014) 1968 RS convertible that is not quite stock

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