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spwalker
Street Queen
Posts:55
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| 12/29/2007 8:03 AM |
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| what kind of axles are stock o |
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webby4x4
Forum Admin, Magazine Editor
Rock Star
Posts:2375
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| 12/29/2007 9:37 AM |
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Not sure if you're asking about a Bronco, or a Bronco II, so here's what I know...
BRONCO II
- Front Axle (Up to Oct. 1989) = Dana 28 (very weak axle).
- Front Axle (After Nov. 1989) = Dana 35 (slightly stronger axle).
- Rear Axle = Ford 8.8" SRA (pretty stout rear axle)
BRONCO (Full size)
- Front Axle = TTB Front axle (Dana 44 center section)... these axles are total garbage (sorry for being so frank)
- Rear Axle = Ford 8.8" or 9" rear axles (8.8" axle is pretty stout, the 9" is very stout and can be built to handle 700+ horsepower no problem)
As far as the gear ratios go, they varied from truck to truck. You can probably find stock gears ranging from 3.55:1 all the way to 4.11:1 (maybe even deeper on the F/S Bronc).
Rick |
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Rick Webster
Editor, 4X4REVIEW.COM - A Tork Media, Inc. Publication
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'74 FJ40 Land Cruiser
"Measure once, cut twice" |
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spwalker
Street Queen
Posts:55
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| 12/29/2007 9:45 AM |
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| ok, thanks rick, and i was wondering, why are the TTB axle so bad? |
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webby4x4
Forum Admin, Magazine Editor
Rock Star
Posts:2375
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| 12/29/2007 9:59 AM |
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TTB's were the predecessor to independant front suspension. They are notorious for causing tires to wear far too quickly, and quite unevenly.
They are mechanically the same as Dana 44's (in many instances), but they have a big hinge in the middle of the axle (think of a pair os scissor open all of the way). The inboard ends of the housings are attached to a frame-mounted crossmember, while the outboard ends support the steering knuckle and are attached to the frame through the springs and radius arms.
They are also quite weak in design and if you put a lift kit on a truck with TTB, you can expect to shell out big bucks for new tires over and over and over again.
In the end, the Twin Traction Beam design just didn't work very well. Why Ford continued to use it for so long is beyond me (and many other people).
Here's a picture, in case you've never seen one... http://images.off-roadweb.com/images/0702or_03_z+desolate_motorsports+traction_beam.jpg
Rick |
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Rick Webster
Editor, 4X4REVIEW.COM - A Tork Media, Inc. Publication
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'74 FJ40 Land Cruiser
"Measure once, cut twice" |
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spwalker
Street Queen
Posts:55
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| 01/08/2008 5:04 PM |
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| thanks for the help rick!! |
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