Just finished installing new rear leaf springs and shocks on my 67. ?????'s - Team Camaro Tech
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post #1 of 13 (permalink) Old Jun 30th, 06, 02:54 PM Thread Starter
 
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Just finished installing new rear leaf springs and shocks on my 67. ?????'s

Just installed new leaf springs and shocks on a 1967 camaro and it is very bouncy. When I went to put the shocks on they seemed pretty short and I had to have someone bounce on the rear so I could get the bolts in. Is this my problem or do leaf springs take a while to wear in??
I ordered the springs from classic industries, and they have four leafs in them. Thanks in advance!
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post #2 of 13 (permalink) Old Jun 30th, 06, 03:02 PM
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Mike Petrovich
 
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Re: Just finished installing new rear leaf springs and shocks on my 67. ?????'s

Did you switch from mono to 4-leafs? The mono leaf shock plates are different. Some shocks need an adapter kit if you have mono shock plates. Sorry if none of this applies to you.....

1968 327 sport coupe. Son of original owner.
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post #3 of 13 (permalink) Old Jun 30th, 06, 03:16 PM
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Re: Just finished installing new rear leaf springs and shocks on my 67. ?????'s

A car will sit high IF you tightened everything down good and tight up on jackstands!

I still have to loosen mine back up, sit it down on the ground and bounce it some and retighten it to make sure it's right.

pdq67



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post #4 of 13 (permalink) Old Jun 30th, 06, 04:14 PM Thread Starter
 
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Re: Just finished installing new rear leaf springs and shocks on my 67. ?????'s

No it had some crappy 3 leafs on there that were wore out. I am asuming the previous owner took one or two leafs out. I will post pics in a sec. to show you
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post #5 of 13 (permalink) Old Jun 30th, 06, 04:16 PM Thread Starter
 
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Re: Just finished installing new rear leaf springs and shocks on my 67. ?????'s

If you notice the shock is topped out
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post #6 of 13 (permalink) Old Jun 30th, 06, 06:14 PM
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Jim
 
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Re: Just finished installing new rear leaf springs and shocks on my 67. ?????'s

interesting.

Kara, you have a multi-leaf rear with multi leaf springs, but monoleaf shock plates and presumably shocks intended for a monoleaf suspension.

This could very well be the problem. The mono plates shock mounts are lower than the multi plates, about an inch, I believe the shocks are different lengths, too.

Regardless, if you unbolt the bottom of the shock and fully extend it, with the car on the ground and the weight on the wheels, the shock eye should be a few inches below the moutning hole in the perch, allowing the suspension go down from it's static position when you go over bumps.

How is the ride height in the back, good or too high?

If you tightened the springs with the car in the air, you might loosen those bolts and bounce the car a bit, it may settle down some.
You may need different shock, longer ones, if the ride ht is ok.
I don't think anyone reproduces 67 multi leaf shock plates, but some have "re-arranged" 68-69 plates with a saw and a welder.

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post #7 of 13 (permalink) Old Jun 30th, 06, 06:30 PM Thread Starter
 
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Re: Just finished installing new rear leaf springs and shocks on my 67. ?????'s

The ride height is high. Let me post a pic. BTW where would I get longer shocks?
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post #8 of 13 (permalink) Old Jun 30th, 06, 06:40 PM
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Re: Just finished installing new rear leaf springs and shocks on my 67. ?????'s

Im thinking shock plates. Ive never had to specify which type of leafs when ordering rear shocks, and I think the difference in the shock location on the plate that jim mentioned makes up the difference, rather than needing a different shock.

Car does sit a little high, but I dont think its enough for the shock to be too "short". Now it sitting high, in addition to the wrong plate, could be the problem.

dave

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post #9 of 13 (permalink) Old Jun 30th, 06, 06:44 PM
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Jim
 
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Re: Just finished installing new rear leaf springs and shocks on my 67. ?????'s

hmmm, yes, tis a touch up there.

Depends on what you want, what your venders will put up with, and how much you want to hassle with it.

You could send the springs back and get different ones that will give you the ride ht you want.

You could pull em and have em dearched a bit, this will lower the ride without any bad effect on the spring.

As for shocks, if you find a frindly counter man, the back on most parts books lists the parts by details rather than application. It will list the type of "ends" on the shock as well as the collapsed and extended length. This will require a real book, not the computer, and may take some time, but you should be able to find a shock that will bolt to your car and is say 3" longer than the ones you have (or will provide you with 3" of "extension" from ride ht before "topping" out).





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post #10 of 13 (permalink) Old Jun 30th, 06, 07:28 PM
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Re: Just finished installing new rear leaf springs and shocks on my 67. ?????'s

I'm going through this right now...
There aren't "multi-leaf" shock plates for a 67...
1. Detroit speed and engineering has shock plates for a 67 (non-staggered) that will use 68-69 shocks (different lower mounting points).
2. Farm Boy did a fabrication by taking a 68 shock plate and then having a steel shop create a mirror image plate. Essentially what DSE offers, but he did it before they offered them.
3. What about shock extensions to extend the upper stub. P/N MRG-1290 $9.95 at Summit. I got mine in the mail today just to test before I decide to spend the money for new shocks and shock plates. I'm installing the rear and springs this weekend...I'll let you know.

These would solve the shock issue, but I'm not certain 100% that would solve the bounciness...

-Scott

His and Hers Marina blue 67's
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Last edited by 67FamilyFun; Jun 30th, 06 at 07:29 PM. Reason: spelling
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post #11 of 13 (permalink) Old Jul 1st, 06, 07:40 AM Thread Starter
 
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Re: Just finished installing new rear leaf springs and shocks on my 67. ?????'s

Yeah let me know how that goes! Much appreciation!
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post #12 of 13 (permalink) Old Jul 2nd, 06, 07:57 PM
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Scott
 
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Re: Just finished installing new rear leaf springs and shocks on my 67. ?????'s

kara,
I did the same setup as you...except w/hotchkis 3 leaf setup.
Multi perches/Mono plate. Mine looks a little high, but I dont' have interior/engine/transmission installed. I put the shock entensions on and had to compress the shock to install it...without extensions it would have taken some serious bouncing to install the shocks!
Hope it will settle some with time...
-Scott

His and Hers Marina blue 67's
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post #13 of 13 (permalink) Old Jul 3rd, 06, 11:38 AM
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Mike Petrovich
 
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Re: Just finished installing new rear leaf springs and shocks on my 67. ?????'s

Kara, you mentioned you removed some old 3 leaf springs. There are special 3-leaf springs made to be a direct replacement for mono springs. With them, you use the original mono shock plates. JC Whitney used to carry them for Nova/Camaro, I bought mine at a local spring shop in St. Louis (part #21-245). I wonder if this is what you had on your car......

I have also heard that the 1968 and later shock plates were stronger than the 1967 Camaro shock plates. Best wishes.

1968 327 sport coupe. Son of original owner.
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