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Builds and Journals This is where the magic happens. Photograph & document your GMC build progress for posterity.
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  #21  
Old August 23rd, 2021, 03:39 PM
BobShing BobShing is offline
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Truck: 1962 series 1000 pickup
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Default Re: 63(may be '62) Build

Wrapping up the Brake job, finally, after ordering the wrong parking brake cables, returning…then backordered, here’s the solution. Real original cables aren’t available, so I modified the new version. The backing plates don’t have an attachment point like Chevrolet. The cables have 2 brackets that bolt to the backing plate and secure the cable end. I had to remove the spring clip and grind the cable housing. One of the two brackets had to be removed from the old cable, and slotted to be used on the new cable.
Here’s the pictures.
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Last edited by BobShing; August 23rd, 2021 at 10:16 PM.
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  #22  
Old August 23rd, 2021, 10:09 PM
BobShing BobShing is offline
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Default Re: 63(may be '62) Build

So I figured it was time for a quick oil change... Wait, did I say quick? Researched the filter, and decided the wix 51123 was the ticket. (plenty of good input elsewhere in this forum). I should have been wary when I discovered rtv on the canister, but the real tipoff was the home made (milk jug) gasket. So the gasket from the 51123 was too small, and apparently the last owner used a Chevy filter... Too short! (not much filtering going on) And it didn't leak!
Solution was to rummage through old transmission kits and find the correct size square cut seal. (FYI Ford c4 and Chrysler 904 both had one) so much for quick oil changes.
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  #23  
Old August 24th, 2021, 01:55 PM
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jbgroby jbgroby is offline
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Default Re: 63(may be '62) Build

This was taken from another page

here is some part link info and alternative drum info from the archives in 6066 GMC site. Hope this helps.



To view some links or images in this forum your post count must be 1 or greater. You currently have 0 posts. Maybe you should introduce yourself with a new topic?


Amazon.com: Centric Parts 122.66037 Brake Drum: Automotive

The front drums are easy. They are the same as a Chivy and should be easily found and are relatively cheap. They have a 3" height or depth. Here's Rockauto.com's listing.
RAYBESTOS Part # 2005R $33.79

The rear drums are a bit harder, but I have three part numbers you can try for rear 6 lug brake drums. These have a 3.5" height or depth. The first is CENTRIc Part # 12266037 . The second is Allsafe 2067 DGS or Raybestos 2067R.
Rockauto.com shows the Raybestos 2067R for $58.79. Rockauto.com also has the Centric Part #12266037's for $119.79.

I used the Allsafe 2067 DGS from Autozone. The 2067's are for a later model (i think 67-72) truck with 4 wheel drive. It has fins on the outside unlike the original that is smooth. The only modification that I had to make was to drill the 6 lug holes from 1/2" to 9/16" so that the drum would fit on the shoulders on the rear lugs like the original. This drum had the right offset unlike the Chivy drums.

On the Centric, I haven't used that one, but was told it was a direct match to the original (a bit pricier though).

I hope this helps with those looking for rear 6 lug drums.
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