Shock plate help -- 69 - Team Camaro Tech
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post #1 of 13 (permalink) Old Sep 14th, 10, 05:30 PM Thread Starter
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Kevin
 
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Shock plate help -- 69

I am pulling out my stock ten bolt and mono leaf set up this weekend and replacing it with a Moser 12 bolt and Hotchkis multi leaf springs. After reading some posts, it looks like I need to also replace my shock plates.

My question is where can I order a quality set of multi leaf shock plates (if thats what I need) and is the top end (trunk side) any different.

Also I was looking at the Koni rear shocks. Are there different shocks for the multi leaf shock plates or are they the same.??
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post #2 of 13 (permalink) Old Sep 14th, 10, 06:38 PM
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T
 
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Re: Shock plate help -- 69

Detroit Speed shock plates are the way to go -- there are several "repro" plates that don't have the bends quite right and cause issues.
You'll need two 040302L for a '69 (or a '68):
http://www.detroitspeed.com/productp..._prod_test.htm

Trunk side will be the same for "mono" or "multi" shocks

Lower end of the rear shocks mount different for "mono" and "multi" shocks. The mono-leaf shocks mount with a bolt through the plate and the shock. The multi-leaf shocks have a stud built into the shock that then attaches to the plate with a nut. I'm not sure about the Koni's, but some shocks are "universal" and include the hardware to bolt onto either plate. AFAIK, the overall length, etc. of all of the shocks are the same.
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post #3 of 13 (permalink) Old Sep 15th, 10, 01:22 PM Thread Starter
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Kevin
 
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Re: Shock plate help -- 69

thanks ...will contact them today and try to keep this project rolling
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post #4 of 13 (permalink) Old Sep 15th, 10, 01:46 PM
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Re: Shock plate help -- 69

Try Matt's for Detroit Speed Products.Lots closer / save $$ on shipping.
I have DSE rear leafs and plates w/Koni shocks..all worked with no issues.

" Some like it Hot, I like it Red "... Sammy Hagar
'69 Coupe...Red of course!


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post #5 of 13 (permalink) Old Sep 15th, 10, 01:51 PM Thread Starter
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Kevin
 
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Re: Shock plate help -- 69

I put my order in..only difference was he told me I need the the 040302R and not L. He said the L was for mini tubbed..???

35 a piece + 17 shipping

Thanks T
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post #6 of 13 (permalink) Old Sep 15th, 10, 01:52 PM Thread Starter
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Re: Shock plate help -- 69

Is that Matts in Concord Ca?
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post #7 of 13 (permalink) Old Sep 15th, 10, 01:58 PM
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Re: Shock plate help -- 69

Kevin,Matt's is in Dublin now.Great customer service!
http://www.mattsclassicbowties.com/

" Some like it Hot, I like it Red "... Sammy Hagar
'69 Coupe...Red of course!


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post #8 of 13 (permalink) Old Sep 15th, 10, 02:10 PM Thread Starter
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Re: Shock plate help -- 69

just talked with them,, they dont have any in stock and would have to order them also ..about a week to get.


I have been to Matts when it was in Concord,,,your right ,,great people and service...also bought stuff from them over at the Goodguys shows..Thanks.
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post #9 of 13 (permalink) Old Sep 15th, 10, 04:10 PM
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Re: Shock plate help -- 69

I may be wrong but if you are not putting in mini-tubs you should be able to use your stock shock plates. The issue on my 68 when I went from mono to multi leafs was having a multi-leaf spring perch on the axle which your Moser should have. I also had to drill out the plates to fit the larger u-bolt on the Hotchkis. That was it. I have read many times on here the koni's are too stiff so would check that out. I have the Hotchkis shocks and they are great - they are made by blistein (sp?).

68 RS Coupe 355/350 TH, Detroit Speed, Hotchkis, Vintage Air, 8.5" 3.42 posi 10-bolt, MagnaFlow 2 1/2" exhaust, etc.

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post #10 of 13 (permalink) Old Sep 15th, 10, 04:14 PM
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Re: Shock plate help -- 69

Oh, check out global west if you are looking for vendors here in CA. They are nice folks with a good product.

68 RS Coupe 355/350 TH, Detroit Speed, Hotchkis, Vintage Air, 8.5" 3.42 posi 10-bolt, MagnaFlow 2 1/2" exhaust, etc.

"The public cannot be too curious concerning the characters of public men."
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post #11 of 13 (permalink) Old Sep 15th, 10, 05:04 PM
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Re: Shock plate help -- 69

Whoops -- cut/paste error -- 040302R is the right part for stock staggered shocks.

As far as Koni's being stiff -- the KYB's are the shocks that are definitely too stiff. I think most folks are pretty happy with the Koni's. Alternatively, the Hotchkis or Bilstein units also seem to be well-reviewed.

Some folks have re-used their mono-leaf shock plates without any issues after converting to multi-leafs. If you go this route, you need to be careful that the shock doesn't interfere with the wheel since the lower shock mount ends up "extra" low due to the offset of the multi-leaf spring perch plus the mono-leaf plates. Some folks end up with the shocks rubbing the inside of the rear wheels with 15" or 16" diameter. Also, there can be issues with the shocks not having enough rebound travel.
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post #12 of 13 (permalink) Old Sep 15th, 10, 05:21 PM
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Re: Shock plate help -- 69

I ran the mono shock plates with Hotchkis multis and a mono spring perch. When I switched rears to a multi spring perch I needed the multi plates to avoid shock/wheel interference. 9.5" x 5.5 BS


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post #13 of 13 (permalink) Old Sep 15th, 10, 07:08 PM Thread Starter
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Re: Shock plate help -- 69

Well I've gone this far with the rebuild, I better shell out the extra bucks for the new plates. That seems the way to go...Thanks all.

Shocks:

Konis 114.80
Edelbrock 105.95
Hotchkis 89.95
Bilstien 81.95


I have Konis up front ,but Im sure that dosent matter..
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