2WD to 4WD conversion?
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From: Kent WA
Originally Posted by andym
You can definitely remove all that stuff off the F-150/Bronco TTB arm - I've done it.
But why? Is your plan to still use the Dana 44 from an F-150 and use F-250 parts from the knuckles out? If so, you don't need to remove the perches. Am I missing something?
Or are you trying to get a Dana 50 under your truck? The Dana 44 HD found on F-250's is the same as the 5 lug Dana 44 found on F-150's, except for the stuff from the knuckles out.
But why? Is your plan to still use the Dana 44 from an F-150 and use F-250 parts from the knuckles out? If so, you don't need to remove the perches. Am I missing something?
Or are you trying to get a Dana 50 under your truck? The Dana 44 HD found on F-250's is the same as the 5 lug Dana 44 found on F-150's, except for the stuff from the knuckles out.
The current idea is to take the leaf-sprung TTB out of an F250, unbolt and remove the leaf springs AND their perches, then bolt on the coil buckets, radius arm brackets, and radius arms from the F150 TTB onto the F250 TTB.
That way you could can use the existing coils & crossmember from the F250 TIB setup to install a coil-sprung TTB under the front of the F250.
It's looking more and more like this would work PUD. The F150 radius arms look like they have big enough brackets to go around the F250 TTB housing ends. The only remaining question in my mind is, are the F150 and F250 radius arms the same length - so that the ones from the F150 will be a direct bolt-in to the frame of the F250 - or would the arms (or possibly the mounting points) need to be modified....
Last edited by CheaperJeeper; Oct 10, 2006 at 05:41 PM.
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From: Quesnel, BC, Canada
they arent the same. The axle end is smaller, since the I beam is narrower due to the lack of an axle in it. The whole 2wd arm has a lower profile due to the lower ride height. I dont know about length. give me a minute till my baby falls asleep and I can put him down and go out to take some measurements.
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front side of the radius arm bracket to the rear face of the I beam is ~21"
I beam height is ~5" on the rear face, I beam width on the bottom edge (from front side to back side) is ~3.5"
I beam height is ~5" on the rear face, I beam width on the bottom edge (from front side to back side) is ~3.5"
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From: Kent WA
Originally Posted by pud
they arent the same. The axle end is smaller, since the I beam is narrower due to the lack of an axle in it. The whole 2wd arm has a lower profile due to the lower ride height. I dont know about length. give me a minute till my baby falls asleep and I can put him down and go out to take some measurements.
I was saying it looks like the F150 4WD radius arms will work on the F250 TTB. Comparing the pictures it looks like the "forked" axle-end of the F150 TTB radius arms are big enough to go around the F250 TTB axle....
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Originally Posted by pud
front side of the radius arm bracket to the rear face of the I beam is ~21"
I beam height is ~5" on the rear face, I beam width on the bottom edge (from front side to back side) is ~3.5"
I beam height is ~5" on the rear face, I beam width on the bottom edge (from front side to back side) is ~3.5"
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oh. The I beam height is more around 5.5", everything else I was accurate.
Make sure you dont measure under the leag springs on the F250 TTB, the leafs mount inboard the I beam more..towards the center of the truck-like.
Make sure you dont measure under the leag springs on the F250 TTB, the leafs mount inboard the I beam more..towards the center of the truck-like.
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From: Quesnel, BC, Canada
If you can measure the I beam on the outer side of the leaf pack(towards the wheel)..we could use the Height (I measured top to bottom on the rear face) of it and the width (I measured the bottom from front edge to the back edge). The measurements were roughly 5.5" high and 3.5" wide
If you take into consideration that the coil springs mount on the outside of the frame, and the leafs mount closer to the center when you do your measurements we would get a more accurate reading.
If you have a camera you could take some pics (like how I did on my F150) so we can have a look.
If you take into consideration that the coil springs mount on the outside of the frame, and the leafs mount closer to the center when you do your measurements we would get a more accurate reading.
If you have a camera you could take some pics (like how I did on my F150) so we can have a look.
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i dunno if anyone mentioned.. this.. because i did not take the time to look.. but for the conversion... just remeber.. your gonna need to get a new tail shaft for that tranny.. being its a 2 wd... also... the transfer case should work if its the borge warner.... also.. yes do away with the stupid leafs ttb .. its junk.. put the coil sprung under they .. way better.. setup.... also.. when you put the coils.. on use... 1 ton.. coils... you'll get better ride height and should set you about normal .. with the weight of that diesel motor
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From: Kent WA
Originally Posted by pud
If you can measure the I beam on the outer side of the leaf pack(towards the wheel)..we could use the Height (I measured top to bottom on the rear face) of it and the width (I measured the bottom from front edge to the back edge). The measurements were roughly 5.5" high and 3.5" wide
If you take into consideration that the coil springs mount on the outside of the frame, and the leafs mount closer to the center when you do your measurements we would get a more accurate reading.
If you have a camera you could take some pics (like how I did on my F150) so we can have a look.
If you take into consideration that the coil springs mount on the outside of the frame, and the leafs mount closer to the center when you do your measurements we would get a more accurate reading.
If you have a camera you could take some pics (like how I did on my F150) so we can have a look.
When measuring keep in mind, like PUD pointed out, the coils sit outside the frame rails and the leafs sit under the frame rails, so we need the height and thickness measurements of the axle housing OUTSIDE the leaf spring perches - between the springs and the hubs.....
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From: Kent WA
Originally Posted by blackmagic84
i dunno if anyone mentioned.. this.. because i did not take the time to look.. but for the conversion... just remeber.. your gonna need to get a new tail shaft for that tranny.. being its a 2 wd... also... the transfer case should work if its the borge warner.... also.. yes do away with the stupid leafs ttb .. its junk.. put the coil sprung under they .. way better.. setup.... also.. when you put the coils.. on use... 1 ton.. coils... you'll get better ride height and should set you about normal .. with the weight of that diesel motor
As for the tranny tail shaft and x-fer case, I'm probably going to buy a whole F250 4WD minus the engine. It will be the donor for the leaf-sprung TTB and the C6/x-fer case combo....
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From: Kent WA
Originally Posted by Skoiv
between the springs and the hubs is 4" x 4"....
That doesn't seem right - the F150 axle housing that PUD measured was 5.5" high and 3.5" thick. Doesn't quite make sense to me that the F250 axle housing would be smaller than one from an F250....
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From: Kent WA
Originally Posted by smuggler
You ask for help, but seem to have an answer for everything you ask.
IIRC, I didn't ask Skoiv for help - he volunteered.
I was only observing that the measurements as posted surprised me and seemed unusual - and stated why I thought so. If I ask a question, and get an answer that puzzles me, is it wrong to say so and ask for clarification?
Do you have some information to add that might clarify the answer?
Last edited by CheaperJeeper; Oct 11, 2006 at 01:57 AM.