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Old 05-23-2011, 02:29 PM   #1
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F350 super duty axle swap

Hello i have a front and rear 1 ton axles out of a Ford F350 super duty im dropping into my jeep. I am almost complete with the rear and i will give you guys some pics

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Old 05-23-2011, 02:32 PM   #2
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Old 05-23-2011, 02:33 PM   #3
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before the overhaul began
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Old 05-23-2011, 02:39 PM   #4
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if you look i reinforced the leaf springs by adding 3 leafs to them. I grinded off old perchs and then grinded the new perchs to make them form to the axle tube. i had u bolts made and used the plate from a Ford 8.8 i had laying around. Still working on centering the axle and finding a good driveshaft angle. Once everything is to where i want it i will spot weld the perchs and remove the axle so that i can finish the weld.
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Old 05-23-2011, 02:43 PM   #5
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zoom of heavy duty leafs

drive shaft angle which is pritty steap, so im planning on putting the T-case drop in and hopefully that will make it better

as u can see the shocks from my lifted YJ are approx 4 inchs short of reaching even with the shocks fully extended
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Old 05-23-2011, 03:03 PM   #6
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feel free to ask any questions or give me any pointers. So far this has been very easy. The front one will be a great challenge since i have to widen the chassie and all that good stuff
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Old 05-23-2011, 03:06 PM   #7
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I wish i had that kind of skill, but good luck. I'm excited to see the finished build. Keep the pictures coming with the progess.
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Old 05-23-2011, 03:12 PM   #8
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lol i dont have much skill. I have no training of any kind and i am 18 years old. I baught the Jeep stock and i have building and learning as i go. Im the type of person if i can take it apart i can put it back together
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Old 05-23-2011, 03:14 PM   #9
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its very easy, u need basic tools a welder and a grinder. If you dont have a welder or a grinder(cutting torch which i dont have) you bring the axle to a shop have them cut off the perchs, u line up the axle and then tape off where the perchs should go. and then bring it back to a shop and have them weld it for u
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Old 05-23-2011, 03:17 PM   #10
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For Springs reinforced it was $200, front and rear diffs were 1080. The U-bolts were 40, and thats all i got invested so far. I still need to have the driveshaft Cut and have the 1 ton yoke put on. and order my new rims. The brake lines are the same size but different threads so i am taking the threaded fittings that go into the backing plate off and then the thread thingys that go into the stock block off and then putting a new brake line on that will bolt up to the stock block very easily. Havent decided what to do about E-brake yet since the previous person cut them off while removing from truck
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Old 05-23-2011, 03:18 PM   #11
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Have you put the tires back on it and see what angle the shaft is then? Looks aweful steep to me and I have done this swap several times. As a rule I always do the front axle first, then do the back to match the front simply because its easier to adjust the rear than the front.

Also your going to run into a pickle wth the front axle your trying to use. One your springs are gonna have to be put on the outside of the frame if your keeping leafs, two the pumpkin is going to interfer with the frame if the suspension compresses much, and your front shaft is gonna have a pretty good side angle to it. Anything can be done...just thought you should know

What year truck did they pull them from do you know? Looks like a 97 rear axle to me....SD trucks had rear discs
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Old 05-23-2011, 03:20 PM   #12
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well i ordered the rims and they should be coming in on wednesday so not yet. I bent the axle of my dana 35 soo i figured i start it. I dont have the skillz to drop the front in soo im waiting for my friend that owes me one to finish his shop. nothing is welded or anything until i get rims and tires
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Old 05-23-2011, 03:55 PM   #13
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definatly not SD axles, but cool project. how much wider is the axle than stock?
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Old 05-23-2011, 04:53 PM   #14
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Correct Scoopys. Superduty (99 up) disc brake not drum. But I agree. Cool project!
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Old 05-23-2011, 09:22 PM   #15
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well its out of a 89 super duty. what do u mean by SD axles. the backing plates are exactly the same width and with the where the rim goes its approx 1.5 inch or so wider on each side. but i had 2 inch spacers on my jeep previous to convert the bolt pattern so it will actually be the same as it was
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Old 05-25-2011, 11:33 AM   #16
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this will be the ride height of the back of the jeep on 245/75/16 tires. i got some temp tires from the junkyard but they didnt fit b/c the thing for the for axle is to wide. soo i gotta go back and grab another set. I am getting junk yard rims and tires for now b/c i am getting 15x10 8x6.5 rims and they take a minimum of 3-4weeks to order and i want to be able to move the truck
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Old 05-25-2011, 01:43 PM   #17
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apparently junk yards dont like to carry the rims to fit this axle. the first one i got didnt fit over the center axle thingy, and this second pair is slightly slightly off with lug pattern so im going to just drill out the holes and make them fit. Unfortunately i dont have a plug in drill soo i need to wait for the batterys to charge to do that. everything is lined up and ready to be welded. need to have the driveshaft shortened a bit as you can see from the pic below. for what i know i would say that is a great driveshaft angle. I decided to put the T-case drop back into the jeep and it ended up lineing up like that
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Old 05-25-2011, 02:45 PM   #18
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8x6.5 lug pattern has been around for 60 years....just get some off a 85-97 Ford truck and they will fit over the hub
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Old 05-25-2011, 03:15 PM   #19
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Wow...that's impressive. Can't wait to see how it looks and hear how it drives.
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Old 05-25-2011, 04:12 PM   #20
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ya thats true, i kind of already started drilling the wheels and its kind of ovious. i was going to finish but then i started thinking about how it will most likely mess up the balance of the wheel :/
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Old 05-25-2011, 05:05 PM   #21
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Your next mod should be a proper jack.....


Also, what is up with those fenders?
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Old 05-25-2011, 05:27 PM   #22
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well the hilift jack is just there as a back up incase something happened. there is jack stands under there. Those are bushwacker fender flares.
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Old 05-25-2011, 10:28 PM   #23
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89Jeep, please do not be offended by this but we really do not like to be called "junk" yards. I mean do you really want to put "junk" on your vehicle? Instead we like wrecking yard or salvage yard.
I think the problem with your wheels is that you may be asking the salesman at the wrecking yard for Ford Super Duty wheels, we in the business associate this with the 99 up F250/F350 trucks. The "Super Duty" trucks all had disc brake rear ends and also have a different bolt pattern, although are still 8 lug, than the 96 and older F250/F350 Ford trucks. Hope this helps in your next dealing with wrecking yards.
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Old 05-25-2011, 10:36 PM   #24
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Your neighbors must love you doing an axle swap in the street...lol
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Old 05-26-2011, 08:28 AM   #25
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Quote:
Originally Posted by rykemc View Post
89Jeep, please do not be offended by this but we really do not like to be called "junk" yards. I mean do you really want to put "junk" on your vehicle? Instead we like wrecking yard or salvage yard.
I think the problem with your wheels is that you may be asking the salesman at the wrecking yard for Ford Super Duty wheels, we in the business associate this with the 99 up F250/F350 trucks. The "Super Duty" trucks all had disc brake rear ends and also have a different bolt pattern, although are still 8 lug, than the 96 and older F250/F350 Ford trucks. Hope this helps in your next dealing with wrecking yards.
True but they did make an FSuperduty in the 80's...it was equivalent to a F450 today and had 10 hole wheels
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Old 05-26-2011, 08:40 AM   #26
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I hope you like a stiff ride.........wow, that's a big spring pack for a light vehicle.

Looks like a sweet project though, just be careful, if you're drive line angles are wrong, you'll get a nice vibration at higher speeds.

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Old 05-26-2011, 09:21 AM   #27
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sorry to highjack but were did u get those flares/fenders.. i think i like them...
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Old 05-26-2011, 06:35 PM   #28
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well i finally got the correct rims so the truck is holding its own. Tommorow i will drop off the driveshaft and have it shortened approx a inch and have the new yoke put on. my one problem i am having know is the line that comes from the brake lines then turns into rubber and goes into the block. It is too short to reach where i need to go and i am not exactly sure how to deal with that. have the perchs spot welded in 4 spots each and am not going to completely weld them until i get the front one in which will begin next week. let me know if you have any info on the replacing of that rubber hose. they are discontinued bushwacker fender flares. and yes the leaf packs are nice and large. they are an 8 leaf pack. planning to eventually put the V8 in and have it set up where it tows the car trailer to put a friends jeep on the trailer. soo if i brake i go on the trailer and he drives and visaversa. i also did it so that i wouldnt have to wurry as much about axle wrap and all those annoying things. $300 and they are urs. my neighbors do not care, if anything they prefer it b/c they dont have to hear my loud truck comeing down the block at all times of the night. That and whos stupid enough to mess with a crazy teen that has mechanic skills...
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Old 05-27-2011, 02:36 PM   #29
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driveshaft made and reinforced
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Old 05-29-2011, 08:07 AM   #30
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Your neighbors must think you're crazy.

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