ZF-5 w/4x4 swap
- Thread starter Dustin Kim
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Dustin Kim
Registered User
Alright guys so I am getting my hands on a zf5 s47 and the BW4407 transfer case. From what I have read I think the driveshafts are gonna be different sizes. Now I need to find me a rear driveshaft that will fit an extended cab full size bed 155 wheel base.
aggiediesel01
Full Access Member
Pretty sure the 4407 output has a flange instead of a slip yoke. You could get the flange adapter and get your driveshaft cut down.
Dustin Kim
Registered User
Alright so I gotta extend my rear driveshaft a bit I believe. My current driveshaft is out of a 2wd E4od f350 dually. It is currently a 2 piece but will extending it have any repercussions? Should I just go with a 1 piece? Do you just extend the front portion? Also have to put a flange end at the front since the 4407 has a flange end.
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quickster
Full Access Member
I'm jealous. I've been looking for donor trucks for a while now and can't find a thing. Want to do the 4x4 swap in my '91 dually. Sucks.
Dustin Kim
Registered User
Does anyone have any pictures of a 4x2 zf5 crossmember and a 4x4 zf5 crossmember? I'm getting conflicting reports of both will work and no they won't work. Thanks!
Steven Sochalski
Registered User
4x4 ZF5
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Steven Sochalski
Registered User
Any specific angle you want, or were you wanting an unmounted one. (I don't have )
Dustin Kim
Registered User
Nope that’s exactly what I was looking for. Thanks! There is definitely a difference between the 4x2 and the 4x4 crossmember. Which transfer case do you have there btw?
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Steven Sochalski
Registered User
Bw1356. I pulled it apart when doing the smf and clutch swap. The pump locating arm had almost worn through the support. I'd highly reccomend cracking the case and inspecting yours if you have it down.
Not my pic, but this is exactly what I did. Welded a rod to the arm.
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Dustin Kim
Registered User
Gotcha. I've got a bw4407 which I do need to crack open and inspect as well.
Dustin Kim
Registered User
Has anyone here done a 4x2 e4od to a 4x4 zf5 swap in an extended cab long bed? I'm nearing the point of having to modify my rear driveshaft but i'm not sure if my two piece rear driveshaft will work with the swapped zf5+4407
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onetonjohn
Full Access Member
I wouldn't thing so - qualified with I am not an expert. For what it's worth, the (rear) yoke coming out of the 4407 is hard to find. It was easier for me to buy the whole transfer case. I asked the guy why they were so cheap, and he said there wasn't really a market for them, because they don't break. These things are supposed to be bombproof.
onetonjohn
Full Access Member
What's the adaptor? Is the the part of the driveline from the U-joint back that from a powerstroke that has the flange style connect? Then find a ujoint that cup sizes that will join the two sides? Curious as I was planning to do this swap on my little foot project.
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