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  #161  
Old 09-05-2020, 04:12 PM
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Finally onto the front brakes, sub-frame and the restoration of the brake system and suspension. Mike Gibbons will be restoring the dust shields, brackets, booster and master cylinder while I work to restore the front rotors, calipers, sub frame and suspension. After soaking the rear springs in Evapo-rust over the past week they are now looking really good. Next up I will press new bushings into them and they will be ready to use once again.

The 12 bolt housing is also being rebuilt and restored right now. I have chosen to leave the housing alone and plan to restore it to stock. If I decide to run slicks or take it to the track later, I will swap the restored diff for a prebuilt Moser Muscle Pak unit. For now I will stick to restoring all the original parts that came with the car and make as much of it factory restored as possible. The rest will be Day 2 of course.


Booster and Valving off to Mike Gibbons for restoral and plating services.


Original front rotors to be mic'd and ground if within spec. They will be fully restored if they're OK to use.


Front calipers will be rebuilt and look to have had brand new pads installed back in the 80's. These will be fully detailed and still have the dust caps.


I will restored all of the front steering and will detail it to the nines. The power steering box was added by a previous owner and will stay.


Here are the rear springs after being cleaned up in Evapo-rust. New bushings will arrive this week and these will be good to go.


Sub frame before restoral. I will split the ball joints later today and plan rebuild the front A arms and repaint everything.
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  #162  
Old 09-05-2020, 04:33 PM
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Everything is looking good.
That's the late issue subframe. I thought they came out much later in the year...Joe
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  #163  
Old 09-05-2020, 05:49 PM
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That's what was in the car Joe? I didn't know there were different issue sub-frames until now? What's different about them?

Back in the late 80's someone started to restore the car and everything on this subframe has been redone at one point. It's been repainted, had new control arm bushings installed, new ball joints and the subframe bushings were redone. The springs were changed to raise the car up when the the original owner had it back in the day, and Robin told me they cut them down in the 80's when he had it. Those springs are still in it today and I am changing those out for a set of Moog's with stock Z/28 ride height. Once the brakes are totally redone, it will all go back together, but with a fresh coat of paint.

When I got the car I looked at the front engine frame mounts which were different (appear taller) than the Z/28 mounts. The part numbers are GM part# 3955183 & 3980938 which are regular small block and were likely changed when the second owner installed the 327 back in 74. I plan to swap those out for the correct 3945507 and 3945508 frame mounts before it goes back together. It still has the original (over sprayed) Endura Bumper brackets on it but for sure those have been off the frame horns at one point and were not disturbed or repainted when the sub frame was freshened or painted.
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Last edited by NorCam; 09-05-2020 at 06:10 PM.
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  #164  
Old 09-05-2020, 06:06 PM
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Quote:
Originally Posted by NorCam View Post
I didn't know there were different issue sub-frames until now? What's different about them?
Hey Graeme, here's my frame for comparison. Appear to be the same?

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  #165  
Old 09-05-2020, 06:35 PM
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Holes are different in a couple places Rob?

On my drivers frame horn, one hole is elongated. The first cross member has 2 holes on the right side that your doesn't have, and the pass side cross member has three holes above the frame mount where mine only has 2. I'm sure there's more to be learned but these are slightly different from what I can see in the images.
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Last edited by NorCam; 09-05-2020 at 06:44 PM.
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  #166  
Old 09-05-2020, 09:16 PM
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The oval hole was used later because of the introduction of the carbon canister for the next year Nova from what I understood. I will see if I can do some research...Joe
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  #167  
Old 09-06-2020, 12:58 AM
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I just looked at pics of my 70 Nova sub frame and it has the same elongated slot, and the 2 holes on the drivers side front cross member which were used to mount a clamp for the pollution lines that went to the charcoal cannister.

Maybe the sub frame was swapped out for a better one as was often done when someone caved in the front K member with a floor jack or when the rear bushing holes were rotted out. In either case, it makes no difference to me and the one that was in there is the one that's being used. Picked up my buddies spring compressor today and will remove the springs and the control arms tomorrow.
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  #168  
Old 09-06-2020, 10:50 AM
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Originally Posted by X66 714 View Post
The oval hole was used later because of the introduction of the carbon canister for the next year Nova from what I understood. I will see if I can do some research...Joe
My 09D (1969) frame has the elongated hole.
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  #169  
Old 09-06-2020, 12:00 PM
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I just read a thread on CRG & it had indicated that probably sometime in Aug 1969 for the oval hole. That would make since as Chevrolet was back to making 1969 Camaros again instead of the 1970 Camaro.
Graeme. I agree. Use what you have....Joe
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  #170  
Old 09-06-2020, 02:42 PM
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As I have often said, if only these cars could talk?

In the early 90's this car moved as a roller between a few car guys who were known for bartering first gen cars and parts. Obviously someone back in the day started to restore it, but never got further than the front clip. They actually did a decent job on the subframe as all the front suspension and brakes were previously redone before the subframe was painted. It will now make for an easy clean up and I'm not planning to over restore or powder coat any of it. Just a good scuff followed with an epoxy paint and it'll be good to go.

Once I get the front springs out, I'll pull the calipers apart to see what they look like inside. I'll then rebuild and detail the calipers while the other parts are out for plating. I've only got a few weeks left to get any painting done so I gotta stay on it now. Fall is upon us here and the seasons are changing quickly in the great white north. Yesterday I was riding my Harley and it was 85 degrees. This morning it's 50 degrees and they are calling for a dusting of snow here tommorrow as a storm is coming down.

You guys in the desert have it all somedays.
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