11x3 rear brake drums on A12?
#1735093
01/20/15 09:35 PM
01/20/15 09:35 PM
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Looking for a new set of rear drums, For 1969 A12 Can not seem to find a listing for 11x3's Any brand better than others? Thanks
Last edited by 4406brl; 01/23/15 12:14 PM.
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Re: 11x3 rear brake drums? Who sells them
[Re: NANKET]
#1735095
01/20/15 11:20 PM
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Was not sure what 11x3's came on. I have seen a few people say that A12's had 11x3 rear and front.
Last edited by 4406brl; 01/21/15 10:05 PM.
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Re: 11x3 rear brake drums? Who sells them
[Re: 5126brl No more]
#1735096
01/20/15 11:21 PM
01/20/15 11:21 PM
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HemiRick
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My local Autozone shows them Duralast / Brake Drum - Rear Part Number: 8860 $58 ea.
These are the right ones not 11x3
Last edited by HemiRick; 01/20/15 11:22 PM.
Take care, Rick 68 Coronet R/T 440 & 68 Charger 528 Hemi,and 5 Challengers! 6 cyl, 318, 360, 383, 451
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Re: 11x3 rear brake drums? Who sells them
[Re: HemiRick]
#1735099
01/20/15 11:43 PM
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thanks guys will need to look into this more. Just pulled out my 1969 master dealer part listing book, last updates jan, 1971. Shows 11x3 for dodge and Plymouth with heavy duty pkg? Also list belvedere and cornet with 11x3 front and rear with police pkg. When I measured them today drums are 3" and shoes showed 2 7/8 wide. In book it shows a 2 3/4 rear shoe.
Last edited by 4406brl; 01/21/15 10:09 PM.
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Re: 11x3 rear brake drums? Who sells them
[Re: 5126brl No more]
#1735100
01/21/15 12:19 AM
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looking at A12 option 1969, From Galen. when car was decoded. includes B31 HD 11" brakes Front rear, Manual adj. (B+C bodies) 1969 -1970 No width listed....
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Re: 11x3 rear brake drums?
[Re: NANKET]
#1735101
01/21/15 06:40 PM
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So shoes are 2 7/8 wide drums have a part number 36418 also mwyb5 c21. Found out they are 11x3 from factory on rear. Thanks
Last edited by 4406brl; 01/21/15 10:10 PM.
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Re: 11x3 rear brake drums?
[Re: 5126brl No more]
#1735102
01/21/15 11:03 PM
01/21/15 11:03 PM
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LYNCHROAD69.5
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Quote:
So shoes are 2 7/8 wide drums have a part number 36418 also mwyb5 c21. Found out they are 11x3 from factory on rear. Thanks
For an A12 car, rear drums should be 11x2.5....fronts are 11x3.
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Re: 11x3 rear brake drums?
[Re: LYNCHROAD69.5]
#1735103
01/21/15 11:21 PM
01/21/15 11:21 PM
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I am still looking into this and have found pics of a unrestored A12 with 11x3 on rear, car has 40k mileage and clip still holding rear drum on axle. Hope to hear from some other owners to see what theirs have. His and mine have same cast number on drums. Found this on broadcast sheet codes B28 is 11 x 2.5 brakes B31 is HD Rear drums.. So is that standard on A12 or a One Of...
Last edited by 4406brl; 01/21/15 11:57 PM.
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Re: 11x3 rear brake drums?
[Re: LYNCHROAD69.5]
#1735105
01/23/15 12:00 PM
01/23/15 12:00 PM
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69hemibeep
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Have you decoded the diff to see if it came with the car?
1969 Hemi Roadrunner 2nd owner
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Re: 11x3 rear brake drums?
[Re: LYNCHROAD69.5]
#1735108
01/23/15 11:24 PM
01/23/15 11:24 PM
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hemicar1971
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Yes B31 is on the broadcast sheet but on line 6 under brakes. Member Lynchroad has all the specs on his post that seem to be on both my A12s Runners, manual brakes. I believe the drums are also finned.
1971 HEMI E BODY REGISTRY
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Re: 11x3 rear brake drums on A12?
[Re: 5126brl No more]
#2083379
05/31/16 01:49 PM
05/31/16 01:49 PM
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JohnRR
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I don't think someone changed the brakes from 11x2.5 to 11x3 as it would require a backing plate change also. Rebuild what is on the car.
What is the build date of the car ?
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Re: 11x3 rear brake drums on A12?
[Re: JohnRR]
#2083409
05/31/16 02:50 PM
05/31/16 02:50 PM
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JPO
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I will get back to you with the exact build date. The car is a late '68 build. I have general car knowledge .. but am limited when it comes to restoring a car 'correct', so bear with me thanks. I just figured it originally must of had 2.5" rear drums and been swapped simply because that is what so many on forums etc say. That would be great news if the otherwise was true for this car.
The Charger is in storage and hard for me to access, so does that number 36418 shown in the pic definitely mean there are 3" drums in back currently?
Last edited by JPO; 05/31/16 04:25 PM.
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