Thought I had it fixed - Team Camaro Tech
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post #1 of 19 (permalink) Old May 27th, 14, 05:53 PM Thread Starter
mike
 
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Thought I had it fixed

Last summer when I hit a pot hole sometimes the rear wheel would rub on the front of the wheel well and peel the wheel well lip back. one time the right side then the next time the left, only when I hit a hole or bump. so this winter I put a four leaf and new bushings in, it was fine until on Sunday it happened again. I am at a loss. any thoughts? it's a 68 Camaro 396 4 speed 373 gear 10 bolt. thanks for the help, mike.
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post #2 of 19 (permalink) Old May 27th, 14, 06:17 PM
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Re: Thought I had it fixed

When you put in the four leaf did you change spring perches or use spacers? I assume you had single leaf. Rear sway bar? Bump stops? Tires just too big?

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post #3 of 19 (permalink) Old May 27th, 14, 07:28 PM Thread Starter
mike
 
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Re: Thought I had it fixed

Used spacers it was single leaf no sway bar I did order some traction bars today not sure if it would help thought it couldn't hurt tires came on car when I got it never thought about the size of them
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post #4 of 19 (permalink) Old May 27th, 14, 07:31 PM Thread Starter
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Re: Thought I had it fixed

Bump stops ????
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post #5 of 19 (permalink) Old May 28th, 14, 04:50 AM
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Re: Thought I had it fixed

Sounds like not enough wheel backspace. If backspace is correct, the tire should go up inside the wheel well.

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post #6 of 19 (permalink) Old May 28th, 14, 02:20 PM Thread Starter
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Re: Thought I had it fixed

hOw how determine if there's enough we'll backspace And how do fix smaller tires ?
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post #7 of 19 (permalink) Old May 29th, 14, 02:28 PM
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Re: Thought I had it fixed

Take a wheel off. Lay a straight edge across the back of the wheel's edge by the tire. Measure from the back of the mounting hub to the straight edge. This is the back space.

Now put the tire on edge. Put a straight edge on the front side and back side of the wheel's edge. Measure between the two to find the wheel's width.

Post those two measurements along with your tire size.

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TKO 600-Moser 3.42-Detroit Truetrac
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post #8 of 19 (permalink) Old May 29th, 14, 06:25 PM Thread Starter
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Re: Thought I had it fixed

Ok probably Sunday sometime Thanks
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post #9 of 19 (permalink) Old May 29th, 14, 07:28 PM Thread Starter
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Re: Thought I had it fixed

Look closely by the front you can see where it rubs
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post #10 of 19 (permalink) Old May 30th, 14, 05:33 AM
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Re: Thought I had it fixed

Quote:
Originally Posted by Steiner View Post
Take a wheel off. Lay a straight edge across the back of the wheel's edge by the tire. Measure from the back of the mounting hub to the straight edge. This is the back space.

Now put the tire on edge. Put a straight edge on the front side and back side of the wheel's edge. Measure between the two to find the wheel's width.

Post those two measurements along with your tire size.
Wheel width is bead to bead not edge to edge.

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post #11 of 19 (permalink) Old May 30th, 14, 05:53 AM
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Re: Thought I had it fixed

Quote:
Originally Posted by Vega$69 View Post
Wheel width is bead to bead not edge to edge.

I know that and you know that, but it's hard to measure exact technical width with the tire mounted. The measurements I asked for while technically worded wrong is to help someone easily get some measurements without confusion on their part, and will help those who know how to use them figure out if he has a wheel size problem.

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TKO 600-Moser 3.42-Detroit Truetrac
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post #12 of 19 (permalink) Old May 30th, 14, 11:27 AM
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Re: Thought I had it fixed

IMHO the wheel backspacing is definitely wrong. I would measure from inner wheel well to tire sidewall. On my cars (67's) there is about 1.25 inches between sidewall and the wheel well. Also running a 275 on the rear.

Although that looks incorrect on yours, that doesn't explain the fact that your tire is traveling forward over an inch to make contact with the body. There is always motion there, but that seems like a lot. Are you running a drop down shackle? One that is larger than the original? Or is there slop in the frame rail where the bushing goes in the rear? Slop in the front perch mount? Is the rear end square? Does one wheel sit further forward than the other in relation to the quarter? Sorry its a lot of questions, just some thoughts, i would hate to hear you wrecked it because of a tire being cut by the quarter.

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post #13 of 19 (permalink) Old May 30th, 14, 01:00 PM
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Re: Thought I had it fixed

You've got to go along with what Sean is shooting for. I had the same problem a few years ago but I had the traction bar on the right which forced the left wheel forward as obviously the traction bar and springs were tightened off the ground. I learned I had to tighten the traction bar and that with the full weight of the car on the axle. Mine's been straight ever since.

In view of safety you need to have this checked out as it seems something's moving around on the left side of your axle/spring setup.

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post #14 of 19 (permalink) Old May 30th, 14, 02:48 PM
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Re: Thought I had it fixed

And to add to Sean..
Are you 100% sure that the diff is the correct width.
I used a diff a couple decades ago that was 1" wider than it should be... out of something else... I could run 14" 235/60s but put 14 x 345/60s on , have a person in the back seat and hit a bump/ go over a speed hump, and that side would rub the tyre on the wheel trim

Off hand I cant rem the camaro diff width spec... sure its back in an old post a few yrs back....
what is your diff width?

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post #15 of 19 (permalink) Old May 30th, 14, 06:54 PM
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Re: Thought I had it fixed

Quote:
Originally Posted by Steiner View Post
I know that and you know that, but it's hard to measure exact technical width with the tire mounted. The measurements I asked for while technically worded wrong is to help someone easily get some measurements without confusion on their part, and will help those who know how to use them figure out if he has a wheel size problem.
I was just clarifying so he didn't think he had a 9 inch wheel instead of an 8 inch for example. Because when you start talking BS and Offset it makes a difference.

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