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Old 05-19-2020, 06:51 PM
Terry M. Hunt Terry M. Hunt is offline
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Default Same drum

Was the same front and rear brake drum used in ‘66 and ‘67? Any other years? Can somebody post a pic of correct front and rear drums for’66?

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Old 05-19-2020, 07:13 PM
'ol Pinion head 'ol Pinion head is offline
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my recollection... Buick & Pontiac A-bodys used the same style 9.5" cast iron front drums in those years. Chevy always used their smooth style 9.5 drums (no fins) & Olds was using their "bell shaped" drums (at least up through '69 models).

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Old 05-19-2020, 10:19 PM
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Here's a picture of the rear drum on my 67. I swapped the fronts over to discs and put the drums over in the corner of my shop.
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Old 05-23-2020, 12:33 AM
Terry M. Hunt Terry M. Hunt is offline
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Default Same drum

Still like to see pictures of correct front and rear drums for a a 66 if anybody can provide.

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Old 05-23-2020, 04:31 PM
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Just for reference 80's S10 rear drums are the same as GTO'S. They even have the same part number.

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Old 05-23-2020, 06:49 PM
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Terry,

My 66 GTO still wears all it’s OEM brake drums.

Fronts still showing their Factory Red paint.

Both rears after repainting Red years ago. I wish I hadn’t painted these back then.
L27 = Dec. 27
L30 = Dec. 30

Chris.
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2) 66 GTO Survivor. “Factory” Cameo Ivory Paint with Red Pinstripe, Red Interior. OEM Numbers Matching Powertrain. Tri-Power (OEM Vacuum Linkage), Automatic "YR" code (1759 Produced). Fremont Built (01B), with the Rare 614 Option.
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Old 05-23-2020, 10:04 PM
Terry M. Hunt Terry M. Hunt is offline
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Default Same drum

Chris, many thanks for these pics. The front drums appear to be painted only on the face of the drum but not around the perimeter. That may be just because of the angle of the photo or the result of the perimeter paint fading out from heat/cool cycles over many years. Were the front and rear drums painted red over all their outer surface?

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Old 05-24-2020, 01:20 AM
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Quote:
Originally Posted by Terry M. Hunt View Post
Were the front and rear drums painted red over all their outer surface?
Yes, all the brake drums were completely painted Red on the outer surface of a 1966 equipped with the Rally I wheel option.

Mass production painted drums were not precise.
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1) 65 GTO Survivor. 43,440 Original Miles. “Factory” Mayfair Maize Paint with Black Pinstripe, Black Cordova Top, Black Interior, OEM Numbers Matching Powertrain. Purchased from the Lady that bought it new. Baltimore Built (11A).
2) 66 GTO Survivor. “Factory” Cameo Ivory Paint with Red Pinstripe, Red Interior. OEM Numbers Matching Powertrain. Tri-Power (OEM Vacuum Linkage), Automatic "YR" code (1759 Produced). Fremont Built (01B), with the Rare 614 Option.
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Old 05-24-2020, 09:48 AM
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Front drums are 9" x 2.5" and rear drums are 9" x 2". So the front drums are wider. I picked up a pair of used junkyard drums that I thought were front drums but they were only 9" x 2" inside so I could not use them. I think they could be used in the rear.

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Old 05-24-2020, 02:04 PM
Terry M. Hunt Terry M. Hunt is offline
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Default Same drum

Good info. I’m trying to track down a set of 4 drums now that I have a better idea of exactly what to look for.

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Old 05-24-2020, 11:56 PM
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Where are you located? I have the front drums from my 67. I am in southwest Georgia.

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Old 05-25-2020, 01:25 PM
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So the drums were painted red to show through the Rallye 1 wheels?

I am building a 66 now and would like to know if I should spray the drums red.

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Old 05-25-2020, 01:45 PM
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Correct, Part of the 1966 R1 Rim option.

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Last edited by Jeff Hamlin; 02-26-2024 at 07:16 AM.
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Old 05-25-2020, 03:57 PM
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Thanks- I will have to do this on my 66. Will look good against the Tiger gold

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Old 05-25-2020, 06:39 PM
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FWIW;
I used the DC caliper paint over a year ago and it has held up well.

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Last edited by Jeff Hamlin; 02-26-2024 at 07:16 AM.
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Old 05-25-2020, 07:09 PM
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Hi Jeff,

What style brake drums are on your car?

I’m not familiar with those ?? It looks like they have the brake shoe adjustment slot on the face of the drum.

Chris.

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1) 65 GTO Survivor. 43,440 Original Miles. “Factory” Mayfair Maize Paint with Black Pinstripe, Black Cordova Top, Black Interior, OEM Numbers Matching Powertrain. Purchased from the Lady that bought it new. Baltimore Built (11A).
2) 66 GTO Survivor. “Factory” Cameo Ivory Paint with Red Pinstripe, Red Interior. OEM Numbers Matching Powertrain. Tri-Power (OEM Vacuum Linkage), Automatic "YR" code (1759 Produced). Fremont Built (01B), with the Rare 614 Option.
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Old 05-25-2020, 07:31 PM
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Quote:
Originally Posted by 1965gp View Post
Thanks- I will have to do this on my 66. Will look good against the Tiger gold
This “one year / one wheel“ only custom look that Pontiac elected to do on the 66 Tempest Series looks neat against any color.

My GTO came with Red interior, Red pinstripes, Red line tires and Red brake drums.
The contrast against the Cameo white body is nice.

The Tiger gold will look awesome also with Red drums.

Chris.
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2) 66 GTO Survivor. “Factory” Cameo Ivory Paint with Red Pinstripe, Red Interior. OEM Numbers Matching Powertrain. Tri-Power (OEM Vacuum Linkage), Automatic "YR" code (1759 Produced). Fremont Built (01B), with the Rare 614 Option.
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Old 05-26-2020, 06:19 AM
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Quote:
Originally Posted by 60sstuff View Post
Hi Jeff,

What style brake drums are on your car?

I’m not familiar with those ?? It looks like they have the brake shoe adjustment slot on the face of the drum.

Chris.
Chris,
That is a good question I can't answer.
I looked in my files and can only offer that back then I had an open account at my Buddies Nappa store(s)
I could just call in what I needed.
Some invoices not showing exact part number but 90% of suspension and brake parts are/were Moog and/or United Brake.
I do not think Moog made/make Drums.
I'll keep digging as you peaked my failing memory
Cheers.

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Old 05-27-2020, 11:16 PM
Terry M. Hunt Terry M. Hunt is offline
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Default Same drum

I bought my 66 in 1987, but haven’t touched it since about 1990. Finally started disassembling it for restoration a year ago. Decided to pull the wheels and check out the drums last week. Mine are very close/identical to what Chris posted, so it turns out this is one less thing I will have to track down. I remembered doing a brake job on it when I bought it, and thought I had just bought some aftermarket whatever drums just to make it roadworthy at the time. Fortunately, it looks like I had the original drums all along. Everything is off the car, labeled, and stored on shelves in plastic bins. Car goes to media blaster next week if the weather is dry and clear. This is my 4th restoration( 64 and 65 GTO and 65 Catalina 2 + 2) so I know what a long haul I’m in for. I’m sure I’ll be back here often during the process.

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Old 05-28-2020, 08:38 PM
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Quote:
Originally Posted by Terry M. Hunt View Post
I bought my 66 in 1987, but haven’t touched it since about 1990. Finally started disassembling it for restoration a year ago. Decided to pull the wheels and check out the drums last week. Mine are very close/identical to what Chris posted, so it turns out this is one less thing I will have to track down. I remembered doing a brake job on it when I bought it, and thought I had just bought some aftermarket whatever drums just to make it roadworthy at the time. Fortunately, it looks like I had the original drums all along. Everything is off the car, labeled, and stored on shelves in plastic bins. Car goes to media blaster next week if the weather is dry and clear. This is my 4th restoration( 64 and 65 GTO and 65 Catalina 2 + 2) so I know what a long haul I’m in for. I’m sure I’ll be back here often during the process.
Yea, you bought it in 87. Right out from under me!

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