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Author Topic: Upper control arm  (Read 2680 times)
My68SS
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« on: August 31, 2006, 04:39:55 AM »

Just wondering about the significance of the two holes in the side of the arm. My original 68 arms don't have them.
The arm is supposedly NOS 69 camaro.

Also, the shape of the support bar is different, the loose one in the pic is of my 68. The one attached to the arm has a number cast into it, which as best as I can make out reads 381904.
Is that a 69 casting number?
Is the loose one the correct shape for 68?
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Rob
1968 L34/M40 SS
12 bolt posi 3.55
Build - 12C
crossram
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« Reply #1 on: August 31, 2006, 06:42:19 AM »

I think the two holes are for mounting a clip to hold the brake flex hose used in 69.
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CNorton
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« Reply #2 on: August 31, 2006, 04:14:15 PM »

Correct on the two holes.  They're to mount the clip on the front disc brake flexible line.  Every stock Camaro I've ever taken apart had the cross shafts like the loose one.  I've never seen one of the others.

c
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Mark
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« Reply #3 on: August 31, 2006, 06:45:58 PM »

Is that a rubber bump stop in the middle of the control arm in the top picture?  If so it's not from a Camaro.
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Mark C.
1969 Indy Pace Car
350/300HP RPO Z11
RamAirDave
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« Reply #4 on: August 31, 2006, 09:08:34 PM »

Camaro has a rubber bump stop in the upper control arm  The Abodies have the bump stop on the frame.

The cross shaft in the control arm is a replacement, the original is the loose one.
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"Build them how the designers and engineers envisioned them to be"

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My68SS
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« Reply #5 on: September 01, 2006, 03:46:16 AM »

Thanks for the replies  Smiley

Quote
The cross shaft in the control arm is a replacement, the original is the loose one.

So replacement shafts came from a different foundry?

The other odd thing is that the rubber bump is not a 'push-in' type, it has a thread and nut holding it in, like the bump on the lower arm.
Is a bolted in upper bump correct for 69?
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Rob
1968 L34/M40 SS
12 bolt posi 3.55
Build - 12C
CNorton
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« Reply #6 on: September 01, 2006, 07:44:44 AM »

Never seen one attached that way.  They're all "push in."
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RamAirDave
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« Reply #7 on: September 01, 2006, 05:36:28 PM »

Thanks for the replies  Smiley

So replacement shafts came from a different foundry?

The other odd thing is that the rubber bump is not a 'push-in' type, it has a thread and nut holding it in, like the bump on the lower arm.
Is a bolted in upper bump correct for 69?

The replacement cross shaft looks like (or at least very similar) those that come in new PST front suspension kits.  They may be included in/from others, I dont know for sure.

The upper bump stop should be a push in type.


dave
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My68SS
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« Reply #8 on: September 02, 2006, 10:17:18 AM »

Quote
The upper bump stop should be a push in type.

dave

Agreed

Here's a pic of the bump, must be from some other car as it's a poor fit in the hole [way too small]

Quote
The replacement cross shaft looks like (or at least very similar) those that come in new PST front suspension kits.  They may be included in/from others, I dont know for sure.

Here's a close up of the numbers on the odd shaft, reads 381904 GM 40
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Rob
1968 L34/M40 SS
12 bolt posi 3.55
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firstgenaddict
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« Reply #9 on: September 03, 2006, 01:47:16 AM »

Looks like a pinion bumper.
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James
Collectin' Camaro's since "Only Rednecks drove them"
 
Check out the Black 69 RS/Z28 45k mile Survivor and the Lemans Blue 69 Z 10D frame off...
https://picasaweb.google.com/112392262205377424364/1969_Z28_Restoration
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