2 1/2 ton rockwell axels on 97 250???? - Ford Powerstroke Diesel Forum
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post #1 of 16 Old 06-21-2010, 03:22 PM Thread Starter
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2 1/2 ton rockwell axels on 97 250????

thinkin bout putin a set of 2 1/2 ton rockwells under my 97 250....any thoughts? will i still be able to even drive down the highway and what kind of trouble would i have geting them mounted up???

[IMG]http://i247.photobucket.com/albums/gg153/youngn2008/****026.jpg[/IMG]

97 f250
tw chip
redneck diy 4in straightpipe with 6in tip
6in superlift with 3in bodylift
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post #2 of 16 Old 06-21-2010, 04:25 PM
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it would be pointless unless your building a trail rig or something for show. you would have to get rid of the pinon brake because its not street legal, go with some sort of ram asisted steering, the gears ratios start around 6.00


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post #3 of 16 Old 06-21-2010, 06:55 PM
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If memory serves me right they are 6.72 axle ratio. You will need some BIG tires to bring that close to your stock ratio. and as stated previously you would need some other type of emergency brake, depending on if you have a safety inspection in your state or want one, as pinion brakes are not legal in most states. Steering would be an issue, but with some fab skills you could probably come up with something. Hydraulic steering is not legal in most states either for use on the road.

And finally.... WHY?

99 F350 CCLB 67k miles.

Sold: 01 Dodge cummins ECLB a few more mods to 353hp

Sold: 97 F250 SCLB, 5 speed 2wd. minor mods to 327hp

See a pattern? next I will have to find one of those 6 door jobbers...
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post #4 of 16 Old 06-22-2010, 07:58 AM
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Mounting them up wouldldn't be hard as you have leaf springs, so you just mount your leaf springs to it with little fab, then your gonna want to do 4 wheel disc brake conversion to be street legal(you could still run the drums but disc will stop better, easier to change pads and saves alot of weight), your gonna have to have 44's and up to keep some driveablitly on the road and depending on your state you might have to lower our bumper or headlights(put driving lights lower on the truck). Your also gonna need the drivehsafts for the axles as they have a flange on the pinion and get them custom made for the angles.

Go to chuckstrucks . net and go to the forum and make an account, everone on there has gone from 1/2 ton to 5 ton/plantaries, very smart people over there.

E-1999 F350 CCLB 7.3 6 spd Ranch Hands F/R, 8" Rough Country on 35x12.50(for now) Toyo MT on 20" Pro Comp, 6637, TS 6 pos custom tunes, 5" Diamond Eye Straight TB 305K and still rolling

Gone: 94.5 F350 5 speed, 35x12.50x18 Trail Grapplers, MT 18" classic locks, 6637 intake, 6 pos chip, 3" DP to 4" straight, Autometer C2 Pyro/Boost, Stage 2's
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post #5 of 16 Old 07-07-2010, 05:58 PM Thread Starter
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yeah i already have 40s and its not a daily driver anymore so its pritty much gona be a trail rig/show truck.....custom paint comein next week ill try to get some pics up when its done.

[IMG]http://i247.photobucket.com/albums/gg153/youngn2008/****026.jpg[/IMG]

97 f250
tw chip
redneck diy 4in straightpipe with 6in tip
6in superlift with 3in bodylift
ladder bars
ssirock 40s

08 f350 kingranch
hypertech maxenergy programer
4in mbrp dpf back
aux fuel tank
24k fithwheel
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post #6 of 16 Old 07-07-2010, 06:00 PM
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You can run 49" Iroks on a stock truck......been there, done that.
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post #7 of 16 Old 07-11-2010, 11:54 AM
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On my M35 the radio is around 6-6.47 (cant remember exactly) but w/20in stock military rims and a 37in tire I top out around 50-55mph.

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post #8 of 16 Old 07-11-2010, 06:08 PM Thread Starter
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yea im starting to reconsider..

[IMG]http://i247.photobucket.com/albums/gg153/youngn2008/****026.jpg[/IMG]

97 f250
tw chip
redneck diy 4in straightpipe with 6in tip
6in superlift with 3in bodylift
ladder bars
ssirock 40s

08 f350 kingranch
hypertech maxenergy programer
4in mbrp dpf back
aux fuel tank
24k fithwheel
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post #9 of 16 Old 07-12-2010, 04:43 AM
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The ratio is 6.72:1 on the "top loader" 2.5T Rockwells.
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post #10 of 16 Old 07-12-2010, 04:53 AM
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yep 6.72:1. i hav a set right here in the shop.

with leafs they arent hard to put under a truck. as stated tho chuckstrucks.net has some new parts for them and chuckstrucks.iforumer.com is a great forum to find/talk about these axles, as most of us florida mud slingers run them. these axle r quite a bit heavier than the 1 tons u hav so i hope u dont mind a lil weight being added. but with DOT type tires u wont hav to worry about breaking anything in them.

Brett
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