Name that rear
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Name that rear
I have a 1956 F100 project truck and it came with a Dana rear end that I need help identifying. I think it is a Dana 30 and maybe from a Bronco (?)
Ring Gear has stamped: DANA 12 12 58 30933 A3R41 55-19
I therefore know it has a 55 tooth Ring and a 19 tooth Pinion = 2.89 - 1 ratio
Rear inspection cover has 10 bolts, 5 lug 5 1/2" bolt pattern, and 3 1/2" wide brake shoes! Outside Axle Flange to outside Axle Flange = 61 1/4"
Can anyone identify it and what it may have came out of. Thanks.
Ring Gear has stamped: DANA 12 12 58 30933 A3R41 55-19
I therefore know it has a 55 tooth Ring and a 19 tooth Pinion = 2.89 - 1 ratio
Rear inspection cover has 10 bolts, 5 lug 5 1/2" bolt pattern, and 3 1/2" wide brake shoes! Outside Axle Flange to outside Axle Flange = 61 1/4"
Can anyone identify it and what it may have came out of. Thanks.
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From: Colville
Does it have a third member? 3.5 wide brakes? not measured by the width of the shoes it doesn't. Ford half tons had 1.75, 2.25 and 2.5inch brakes in 11, 10 and 11 inch diamiter respectivly. Stock gears in EBs had 4.56 not 4.86.
Last edited by 68 351 bronc; Dec 24, 2006 at 12:33 AM.
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From: Troy,NY
Originally Posted by 68 351 bronc
Stock gears in EBs had 4.56 not 4.86.
Ferg.- Did you try posting thid in the old F100 section?
Last edited by ken75ranger; Dec 24, 2006 at 06:48 AM.
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Yes, I posted it in the '48 thru whatever forum as my truck is a '56;but to no avail. Guess I'll try posting in the older forum.
Yes, it DOES have 3 1/2" wide brake shoes. I still think it is a Dana 30 due to the Inspection Cover bolt pattern....but what from; who knows!Thank you all for your time.
Yes, it DOES have 3 1/2" wide brake shoes. I still think it is a Dana 30 due to the Inspection Cover bolt pattern....but what from; who knows!Thank you all for your time.
Last edited by fergusonicford; Dec 24, 2006 at 07:37 AM.
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With that wide a brake shoe...that dif was prolly used on a 4x4 as a front axle. Too big a brake for a Jeep, or Studebaker truck...but possibility from a IHC Carryall, or some sort of Dodge PW. I could find no Ford ref for that application.
Odd gear ratio for a 4X4, tho.
Odd gear ratio for a 4X4, tho.
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IF it is a front differential.....is that gonna pose a problem running it on the rear of my '56 F100?
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Ford Parts Specialist
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From: Simi Valley, CA
5.5 Bolt pattern: Studebaker Trucks, Dodge Trucks, IHC.
Ford E/F/P100; 14/15/16 inch wheels.
F250/350; P350/450 w/17" wheels.
No Ford lists 3 1/2 inch wide brake shoes, that I could find.
Ford E/F/P100; 14/15/16 inch wheels.
F250/350; P350/450 w/17" wheels.
No Ford lists 3 1/2 inch wide brake shoes, that I could find.
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From: Simi Valley, CA
Originally Posted by fergusonicford
IF it is a front differential.....is that gonna pose a problem running it on the rear of my '56 F100?
Weird combination with those wide shoes and that gear ratio.
Have you got the drums? If so...are they finned?
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Finned drums prevent fading...at least that was the theory before disks were used. The 1962-64 HiPo 406, 427 Galaxies used F/R finned drums...as did the P/C's and wagons.
So you have a Dana w/289-1 rear axle ratio...what we geezers used to call a "high speed" rear end. Wide brake shoes, with a 5.5 bolt pattern.
Some sort of high performance car, I'd say. What did Cobra's use for rear ends?
Whatever that third member came from..it wasn't used on a 4X4 IMO.
Someone here hopefully has a Dana (Spicer) cross ref manual.
btw...some of those HiPo Galaxies have 3 1/2" front brake shoes.
So you have a Dana w/289-1 rear axle ratio...what we geezers used to call a "high speed" rear end. Wide brake shoes, with a 5.5 bolt pattern.
Some sort of high performance car, I'd say. What did Cobra's use for rear ends?
Whatever that third member came from..it wasn't used on a 4X4 IMO.
Someone here hopefully has a Dana (Spicer) cross ref manual.
btw...some of those HiPo Galaxies have 3 1/2" front brake shoes.
Last edited by NumberDummy; Dec 24, 2006 at 09:25 AM.
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From: Colville
Originally Posted by ken75ranger
No they didn't. Stock was 3.50 for the V8 and 4.10 for the I6. I'm not sure if you could go to a 4.10 as an option on the V8 from the factory though.
Ferg.- Did you try posting thid in the old F100 section?
Ferg.- Did you try posting thid in the old F100 section?