67 Vert leaf springs, What should I do? - Team Camaro Tech
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post #1 of 19 (permalink) Old Sep 30th, 11, 08:32 AM Thread Starter
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Exclamation 67 Vert leaf springs, What should I do?

Well, I have the car running and everything is in it. The problem that I see is that the rear leaf spings are arched to much. These are Eaton mono leafs and are new. I bought these new four years ago and the car has just recently had the engine and the trans put it. The car in the front sits fine, it is the rear that looks wrong. Even though the springs are new they are four years old, so returning them is out of the question. I have read that since the monos are known to be a problem with sagging that Eaton arches them a little more, a beefier spring perhaps.

The wheel well clearance from the tire is about one inch in front of the tire and three inches from the back of the tire. The way I see it I have three options.



1: order new springs, thinking that they might have sent me the wrong ones, and hope that they are different.


2: have them rearched to drop about two inches.


3: put about three hundred pounds of sand in the trunk till they settle.



Any ideas on this? The picture below shows the car without the engine, trans, interior and fuel. But the rear still sits high. In fact the rear shocks are just about topped out. There is pleanty of room for the rear shackles to move back. Compared to my 69, the rear shackles are forward to where I think they should be.



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post #2 of 19 (permalink) Old Sep 30th, 11, 08:35 AM
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Re: 67 Vert leaf springs, What should I do?

#2 will be the lowest cost option.
#3 will take a very long time...years.

I'd go with #2.

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post #3 of 19 (permalink) Old Sep 30th, 11, 09:11 AM
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Talking Re: 67 Vert leaf springs, What should I do?

Go with #2. It is cheaper than #1 and easier on your back than #3.

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post #4 of 19 (permalink) Old Sep 30th, 11, 09:30 AM
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Re: 67 Vert leaf springs, What should I do?

Or, you could loosen the rear shackles (with tires on the ground of course) and allow the springs to sag to their proper height (now would be a good time for that 300 lbs of sand in the trunk) and then retighten.

Same/similar tightening concept as the front LCAs.

Last edited by mahunt; Sep 30th, 11 at 09:43 AM.
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post #5 of 19 (permalink) Old Sep 30th, 11, 05:13 PM Thread Starter
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Re: 67 Vert leaf springs, What should I do?

Quote:
Or, you could loosen the rear shackles (with tires on the ground of course) and allow the springs to sag to their proper height (now would be a good time for that 300 lbs of sand in the trunk) and then retighten.
Wouldn't the spring retract to the original position? I guess the shackle would have to "over power" the tension on the spring......??? Is that possible?

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post #6 of 19 (permalink) Old Sep 30th, 11, 07:33 PM
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Re: 67 Vert leaf springs, What should I do?

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Originally Posted by Brandan View Post
Wouldn't the spring retract to the original position? I guess the shackle would have to "over power" the tension on the spring......??? Is that possible?

Brandan-
Yes, if the car has been driven I doubt this will make any difference. The bushings are not going to hold it up for long on the road.
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post #7 of 19 (permalink) Old Oct 1st, 11, 04:12 AM
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Re: 67 Vert leaf springs, What should I do?

Yes....if everything was tightened up while in the air it could be binding....loosen the front and rear eyebolts up...bounce it some and see if it settles any.

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post #8 of 19 (permalink) Old Oct 1st, 11, 06:28 AM Thread Starter
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Re: 67 Vert leaf springs, What should I do?

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The bushings are not going to hold it up for long on the road.
Are you saying that it is going to settle some?

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post #9 of 19 (permalink) Old Oct 1st, 11, 06:29 AM Thread Starter
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Re: 67 Vert leaf springs, What should I do?

Quote:
Yes....if everything was tightened up while in the air it could be binding....loosen the front and rear eyebolts up...bounce it some and see if it settles any.
Will try that for sure before I decide what to do..... won't cost anything to see.

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post #10 of 19 (permalink) Old Oct 6th, 11, 09:37 AM
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Re: 67 Vert leaf springs, What should I do?

Brandan The rear wheels appear to be pushed forward in the wheelwell. Unless its an optical illusion. If the centering pins in the springs for locating the rearend are too far forward, having them re-arched wont change that issue. Weve seen this with springs in the past. Option 1 or 2 look good to us. If the centering pins are in the wrong location, option 1 is best.


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post #11 of 19 (permalink) Old Oct 6th, 11, 10:19 AM
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Re: 67 Vert leaf springs, What should I do?

I'm inclined to agree the rear wheels don't look positioned correctly in the wheelwell.

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post #12 of 19 (permalink) Old Oct 6th, 11, 12:32 PM
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Re: 67 Vert leaf springs, What should I do?

The fronts are too far forward as well. Looked at your pics in the album.

I've never seen one sit so high in the back like that! I don't think loosening the bushings and putting weight in the trunk will make it settle THAT far. Same for the front.


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post #13 of 19 (permalink) Old Oct 6th, 11, 01:26 PM
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Re: 67 Vert leaf springs, What should I do?

it looks like the front bolt was torqued to the mount before the mount was bolted to the car. loosen everything and see where she sits. front is too high too, check to see what springs are in there and if they are seated properly. I installed new eaton vert monos in my 69 and they were too low! Had to take a set of originals and had them re-arched higher (for around $50). You need to put some weight in it before tightening the bushing bolts (does not look like you have the interior, top, spare/jack or shakers (a guess ) installed)

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post #14 of 19 (permalink) Old Oct 6th, 11, 01:37 PM
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Re: 67 Vert leaf springs, What should I do?

I think it looks good as it sits.

Time to do sum off roadin'!

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post #15 of 19 (permalink) Old Oct 7th, 11, 07:30 AM Thread Starter
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Re: 67 Vert leaf springs, What should I do?

Thanks, That picture was from about three or four years ago. The front is sitting high because the engine is out and there is no weight in the car in that photo. It was actually the only photo that I have that shows the problem. Now that the car is almost done the front looks fine, the rear not so much. I didn't put the springs in. The body shop guy did and I remember him commenting on how that were a PITA. I did order the springs from NPD and they are suppposedly Eaton springs. I guess there could be a chance that I was sent the wrong springs.

The whole rear looks like it needs to come back about one inch. I was hoping that once all the weight was in the car it would settle. The rear shackles are angled forward so there is some play for them to slide back. The front eyes might be torqued. I am going to get the car back today from the transmission shop and start messing around with this to figure out where I need to go to get it right. I think I am going to start with loosinging everything up and go from there. I just might have to get new springs...

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