Multi-leaf shock alignment - Team Camaro Tech
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post #1 of 17 (permalink) Old Jan 7th, 18, 12:23 AM Thread Starter
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Multi-leaf shock alignment

Hey guys, just swapped my mono leaf set up for a multi leaf set up in my 68.

Passenger side is fine, but the driver side shock doesn't want to line up with the lower shock mount hole. I've heard reproduction parts can have issues, I got my shock plates from Classic Industries.

What do you guys think? Try to heat up and bend the ear? Drill the whole straighter? I've been running into issue after issue with this spring swap.
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post #2 of 17 (permalink) Old Jan 7th, 18, 12:26 AM Thread Starter
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Re: Multi-leaf shock alignment

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post #3 of 17 (permalink) Old Jan 7th, 18, 05:56 AM
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Re: Multi-leaf shock alignment

I would try swapping sides. My 69 assembly manual shows two different part numbers, LH/RH. My guess is 68 would be the same.

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post #4 of 17 (permalink) Old Jan 7th, 18, 08:52 AM
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Re: Multi-leaf shock alignment

Have you tried using the original shock plates to see how they line up? When I converted from mono to 3-leaf springs I just re-used the the mono spring plates.




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post #5 of 17 (permalink) Old Jan 7th, 18, 09:08 AM
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Re: Multi-leaf shock alignment

Just out of curiosity... what 3-leaf replacement brand did you guys go with? I'm probably going to change over my rear next year, and depending on whether I find a multi-leaf or a mono leaf 8.5" rear... I think its time to retire my monoleafs although I want to keep my current ride height. From what I understand there's three choices; the JC Whitney 3-pack, the Eaton Detroit Spring 3-pack, and perhaps the Hotchkis... is that a 3 or 4 pack? Also thought about inboard shock relocation plates.

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post #6 of 17 (permalink) Old Jan 7th, 18, 10:35 AM
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Re: Multi-leaf shock alignment

I used the JC Whitney springs.

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post #7 of 17 (permalink) Old Jan 7th, 18, 01:11 PM Thread Starter
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Re: Multi-leaf shock alignment

The sides should be correct, there's a small hole behind one of the U-bolt holes on each plate for the parking brake cable retainer, and that only goes in one way.

And yes I've tried using the mono-leaf plates, but the lower shock mount was too low and the shocks would top-out after hitting a bump.

And I got my springs from SD Truck Springs.
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post #8 of 17 (permalink) Old Jan 7th, 18, 02:22 PM
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Re: Multi-leaf shock alignment

Heat and bend the flange straight. I'd remove those pads around the springs, they just get in the way and add flex. Check spring fit to the perch. Most mono leaf perches don't allow the spring to sit flat, they hit on the edges. You can grind the edges of the top leaf more round to fit better. Mono leaf springs are more narrow in the middle.
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post #9 of 17 (permalink) Old Jan 7th, 18, 02:39 PM
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Re: Multi-leaf shock alignment

Quote:
Originally Posted by sleepsinshed View Post
I used the JC Whitney springs.
Hmmm... wonder how close they are to OEM springs in height? IIRC, Hotchkis has 1.5" and 3" lowering springs, think they are a 4-pack. Oh well... sooner or later I'll probably be going with DES bc they can pretty much tailor the spring to your desired ride height if you want.

Your lower plates look like brand-new... did you just repaint or powder coat them? And they worked fine with the 3-pack? were you happy with the ride height and ride?

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post #10 of 17 (permalink) Old Jan 7th, 18, 03:31 PM
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Re: Multi-leaf shock alignment

My spring plates are almost straight with the plate. Bend them down like Dave Pozzi stated and then they should fit. Mine are 5 spring plates.

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post #11 of 17 (permalink) Old Jan 7th, 18, 04:44 PM
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Re: Multi-leaf shock alignment

Listen to David Pozzi! suspension Guru...

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post #12 of 17 (permalink) Old Jan 7th, 18, 05:20 PM Thread Starter
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Re: Multi-leaf shock alignment

thanks guys, ill grab some matches and try to bend it
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post #13 of 17 (permalink) Old Jan 8th, 18, 05:28 AM
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Re: Multi-leaf shock alignment

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Originally Posted by 57vette View Post
Your lower plates look like brand-new... did you just repaint or powder coat them? And they worked fine with the 3-pack? were you happy with the ride height and ride?
I just painted them since they were off the car. They work fine so far with the new springs. The ride height is perfect now. I used to have air shocks to compensate for the mono leaf rear end sag.

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post #14 of 17 (permalink) Old Jan 8th, 18, 10:59 PM Thread Starter
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Re: Multi-leaf shock alignment

Quote:
Originally Posted by davidpozzi View Post
Heat and bend the flange straight. I'd remove those pads around the springs, they just get in the way and add flex. Check spring fit to the perch. Most mono leaf perches don't allow the spring to sit flat, they hit on the edges. You can grind the edges of the top leaf more round to fit better. Mono leaf springs are more narrow in the middle.
you mean the rubber pads right? they're not needed?
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post #15 of 17 (permalink) Old Jan 9th, 18, 08:52 AM
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Re: Multi-leaf shock alignment

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Originally Posted by danielisamazing View Post
you mean the rubber pads right? they're not needed?
Correct, most three-leaf replacement springs do away with pads as spring thickness matches to mono-leaf with pads, or used to in the past, as with JC Whitney springs.

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