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What size rear brake drums on 440-6 E Bodies? #847568
11/06/10 08:48 PM 11/06/10 08:48 PM
Joined: Jan 2003
Posts: 9,670
Lima, Peru
domingo Offline OP
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domingo  Offline OP
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Lima, Peru
What size rear drums did the 1970 440-6 4 speed Dana 60 E Bodies come from the factory with?

What about the 71 440.6 4 speed Dana 60 E bodies?

What about a 70 440-6 auto with a 8.75 rear?

Did the track pack or super track pack have something to do with getting bigger brakes? Or was it just the rear end gear ratio?

Thanks!
Re: What size rear brake drums on 440-6 E Bodies? [Re: domingo] #847569
11/06/10 08:55 PM 11/06/10 08:55 PM
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Sacramento CA
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Morty426 Offline
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Sacramento CA
If you had drum brakes you 11" brakes all around.

If you have disk brakes you had 10" rear drums (the exception to this is AAR/TA cars, they had 11" rear)

Super track pack required disk brakes.
Re: What size rear brake drums on 440-6 E Bodies? [Re: Morty426] #847570
11/06/10 09:12 PM 11/06/10 09:12 PM
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Posts: 9,670
Lima, Peru
domingo Offline OP
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What width were the original 10" drums???

And what about the 11" drums on the TAs/AArs? What width were those???
Re: What size rear brake drums on 440-6 E Bodies? [Re: domingo] #847571
11/06/10 09:14 PM 11/06/10 09:14 PM
Joined: Nov 2007
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Kirkland, Washington
Pacnorthcuda Offline
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Kirkland, Washington
10 x 2.5"
Re: What size rear brake drums on 440-6 E Bodies? [Re: Pacnorthcuda] #847572
11/06/10 09:22 PM 11/06/10 09:22 PM
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Posts: 9,670
Lima, Peru
domingo Offline OP
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Lima, Peru
the TAs were 11 x 2,5?
Re: What size rear brake drums on 440-6 E Bodies? [Re: domingo] #847573
11/06/10 11:39 PM 11/06/10 11:39 PM
Joined: Mar 2005
Posts: 1,022
Green Lane, PA
sawdust Offline
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Green Lane, PA
Quote:

the TAs were 11 x 2,5?



Yes, in short words.
Re: What size rear brake drums on 440-6 E Bodies? [Re: sawdust] #847574
11/07/10 12:07 AM 11/07/10 12:07 AM
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Posts: 9,670
Lima, Peru
domingo Offline OP
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domingo  Offline OP
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great thanks...

Now, were they all finned or were some smooth?
Re: What size rear brake drums on 440-6 E Bodies? [Re: domingo] #847575
11/07/10 12:23 AM 11/07/10 12:23 AM
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Posts: 1,022
Green Lane, PA
sawdust Offline
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Green Lane, PA
From my experience, finned.
Re: What size rear brake drums on 440-6 E Bodies? [Re: sawdust] #847576
11/07/10 12:59 AM 11/07/10 12:59 AM
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Long Island, NY
shakerjoe Offline
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original on my late May '71 440-6 3.55 geared 8.75-Joe

6289180-000_2248.jpg (67 downloads)
Re: What size rear brake drums on 440-6 E Bodies? [Re: shakerjoe] #847577
11/07/10 01:01 AM 11/07/10 01:01 AM
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Long Island, NY
shakerjoe Offline
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shakerjoe  Offline
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Long Island, NY
another

6289188-000_2255.jpg (54 downloads)
Re: What size rear brake drums on 440-6 E Bodies? [Re: shakerjoe] #847578
11/07/10 01:35 AM 11/07/10 01:35 AM
Joined: Jan 2003
Posts: 9,670
Lima, Peru
domingo Offline OP
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domingo  Offline OP
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Lima, Peru
is that an 11" drum?
Re: What size rear brake drums on 440-6 E Bodies? [Re: domingo] #847579
11/07/10 02:21 AM 11/07/10 02:21 AM
Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
1_WILD_RT Offline
Management Trainee
1_WILD_RT  Offline
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Today? Who Knows?
Quote:

is that an 11" drum?



Yes... 10" has no fins... Also earlier 11" 68? 69? have no fins but 70 & up have fins
Re: What size rear brake drums on 440-6 E Bodies? [Re: 1_WILD_RT] #847580
11/07/10 10:57 AM 11/07/10 10:57 AM
Joined: Jan 2003
Posts: 9,670
Lima, Peru
domingo Offline OP
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domingo  Offline OP
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Lima, Peru
Great info!!!

Thanks!!!
Re: What size rear brake drums on 440-6 E Bodies? [Re: shakerjoe] #847581
11/08/10 12:26 AM 11/08/10 12:26 AM
Joined: Oct 2006
Posts: 1,264
New York, USA
Chargerfan68 Offline
pro stock
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New York, USA
I agree with ShakerJoe. I did Body and Paint on a "71 Cuda original 440+6 auto car with 8 3/4 rear and it had the same exact drums as Joe's Cuda...with the fins. I still have one as the owner bought new drums for it and I kept one original.

Greg.

1.50 60Ft. , 10.75@ 127MPH Hauling 3900 LBS.
Re: What size rear brake drums on 440-6 E Bodies? [Re: Chargerfan68] #847582
11/08/10 09:57 AM 11/08/10 09:57 AM
Joined: Apr 2006
Posts: 894
uk
TiMopar Offline
super stock
TiMopar  Offline
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Posts: 894
uk
I'm pretty sure that my 71 440-6 Challenger with A34 Super Track Pack (auto car) has the non finned 10" drums on the back. Coincidently they are off the car due to binding on while stored, so I will post a picture when I get a minute...
Re: What size rear brake drums on 440-6 E Bodies? [Re: domingo] #847583
11/08/10 12:00 PM 11/08/10 12:00 PM
Joined: May 2005
Posts: 581
Texas
Texican Offline
mopar
Texican  Offline
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Posts: 581
Texas
My original 70 440+6 A33 car has front disc brakes and 10" rear drum with finned hubs.

I'll takke photos this evening if I have time to go by the shop.

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