want to swap to a 3.73 rear end? - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 05-21-2013, 11:21 AM Thread Starter
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want to swap to a 3.73 rear end?

I know this isn't the for sale section but I figured I'd get a lot my traffic here. I'm looking to swap my rear end (3.73s) with someone who has either a 4.10 or 4.30 rear end. Changing gears is a going to be exspensive and ive seen a bunch of post lately about guys wanting a longer gear for better fuel economy. If anyone is interested in swapping please let me know and hopefully we can work something out

06 f350: 8" ICON 2.5 resi's, ouo ala's, pmf track bar, dual stabilizers, custom 5" exhaust, 37" BFG km2's, 4.30s, 08 tailgate w/step, 08 tail lights, coolant filter, BPB oil cooler w/p 58v ficm and radiator, ARPs, 175cc, MTW s1 billet, ported intake, egr delete, onboard air and gearhead tunes
All the above just to haul the 900hp street mustang
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post #2 of 13 Old 05-22-2013, 06:42 AM
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You will need to swap the front end also. The rear gear ratio needs to be the same as the front unless you plan to run different size tires to compensate. I assume the 4x4 in the pic is yours.
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post #3 of 13 Old 05-22-2013, 09:24 AM
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I'd trade ya but mine isn't a Dana 80

-Kris-
2000 excursion V10 2wd 230k
2000 Excursion 7.3 4x4 246k
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked
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post #4 of 13 Old 05-22-2013, 06:57 PM Thread Starter
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I understand that I will need to change the front also, but the rear is more important right now

06 f350: 8" ICON 2.5 resi's, ouo ala's, pmf track bar, dual stabilizers, custom 5" exhaust, 37" BFG km2's, 4.30s, 08 tailgate w/step, 08 tail lights, coolant filter, BPB oil cooler w/p 58v ficm and radiator, ARPs, 175cc, MTW s1 billet, ported intake, egr delete, onboard air and gearhead tunes
All the above just to haul the 900hp street mustang
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post #5 of 13 Old 05-22-2013, 06:59 PM Thread Starter
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Quote:
Originally Posted by 351fifty View Post
I'd trade ya but mine isn't a Dana 80
One step forward and two steps back

06 f350: 8" ICON 2.5 resi's, ouo ala's, pmf track bar, dual stabilizers, custom 5" exhaust, 37" BFG km2's, 4.30s, 08 tailgate w/step, 08 tail lights, coolant filter, BPB oil cooler w/p 58v ficm and radiator, ARPs, 175cc, MTW s1 billet, ported intake, egr delete, onboard air and gearhead tunes
All the above just to haul the 900hp street mustang
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post #6 of 13 Old 07-13-2013, 06:23 AM
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94slowbra call Modern autoparts in picayune. Last time I was out there they had a few Dana 80's
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post #7 of 13 Old 07-13-2013, 06:41 AM
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I can understand with you having 37s that your fuel economy in town and your take off might suck,

I have 373s myself, but I like them. Why are you wanting to change? Car-part.com may help you out......

Nick
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post #8 of 13 Old 07-13-2013, 06:43 AM
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Wait, your sig says you have 4:30s, but you're looking for 4:10s or 4:30s....?

Nick
E99/CC/Lariat/Factory Wide Body Kit
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Custom Tuned by Bill@PHP, Tony Wildman@Total Diesel Performance and Lars@Gearhead



D66 w/Dieselsite WW2, Full Force 250/100s, Adrenalin HPOP, Built Trans, Walbro Fuel Pump, S&B Intake, 6" Stacks, Leveling Kit, Eagle Alloy Wheels, 315/75/16 Grabber AT2s & Much More

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post #9 of 13 Old 07-18-2013, 02:11 PM Thread Starter
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sorry i forgot about this thread. i found a somewhat local guy, 3 hrs away who wanted the opposite. his truck had a factory 4.30 rear end and he was running stock tires. he was looking for better fuel economy so 3.73s were good for him. we swapped about a month ago and i couldnt be happier. better take off, better in town mpg, better towing performance, lower egts across board and easier on my tranny. swapped in a day and only cost about $75 in fuel. plus its a factory rear so its good quality parts. now i just need to regear the front

06 f350: 8" ICON 2.5 resi's, ouo ala's, pmf track bar, dual stabilizers, custom 5" exhaust, 37" BFG km2's, 4.30s, 08 tailgate w/step, 08 tail lights, coolant filter, BPB oil cooler w/p 58v ficm and radiator, ARPs, 175cc, MTW s1 billet, ported intake, egr delete, onboard air and gearhead tunes
All the above just to haul the 900hp street mustang
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post #10 of 13 Old 08-08-2013, 09:03 PM
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Hey bud may not be to close but here is something you may want
2007 Ford F350 Dually 4.30 Ratio Front Differential
Has 4:30 gears and it's a whole axle

-Kris-
2000 excursion V10 2wd 230k
2000 Excursion 7.3 4x4 246k
1995 CCLB DRW 324K
2001 CCLB DRW 319K
Dp tuner infinity, exhaust, intake, chipped, tricked, and wrecked
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Quote:
Originally Posted by marine5811
The stock downpipe in an OBS is flat because I'm a ginger.
Quote:
Originally Posted by alberta 7.3
Finding a decent woman is like shopping for a used truck. You spend most of your time picking through the money pits, wrecks, and basket cases until you find one that you can tolerate
Quote:
Originally Posted by JJFLASH
Well at least you caught the loose bolts before they cause any damage. Nothing worse than a sloppy hole
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
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