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#1 |
New Member
![]() Join Date: Apr 2024
Location: Lincoln, Nebraska
Posts: 7
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driver side drop transfer case - front axle swap
working on a 68 k10 and i just picked up my donor 2001 sierra.... LM7, 4L60E... i havent ID'ed the tcase yet but i can if that's important to answer my question.
i would like to use as much as i can out of this truck, ideally swap the entire drivetrain. i know the transfer case is going to drop out to the opposite side and that most people opt for the NP205 to solve this... outside of needing driveshafts to fit, shorten the axle, and remount the leaf spring perches... is it possible to swap out the front axle to fix this problem? i can't seem to find any documented examples to follow for this so i'm looking for guidance. what am i missing? |
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#2 |
Post Whore
![]() Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,119
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Re: driver side drop transfer case - front axle swap
It's likely that using a Dana 44 from a Ford would be the easiest way to use your transfer case. The older Fords use a drivers side pumpkin set up and there are a lot of different axle widths available as well as disc brakes. If your looking to lift it there are top pinion axles too but they are very spendy these days.
You might consider have this thread moved to the 4x4 section as there are lots of knowledgeable folks there. And if I haven't said it before Welcome Aboard
__________________
Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help. ![]() RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
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#3 |
Senior Member
![]() Join Date: Mar 2003
Location: Colfax-California
Posts: 8,526
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Re: driver side drop transfer case - front axle swap
Saw both of these couple weeks ago
https://goldcountry.craigslist.org/p...747024896.html https://goldcountry.craigslist.org/p...754049699.html quite a few miles away but they are out there |
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#4 |
New Member
![]() Join Date: Apr 2024
Location: Lincoln, Nebraska
Posts: 7
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Re: driver side drop transfer case - front axle swap
i guess i'm moreso wondering what i'm getting into trying to use the axle from my 2001 sierra
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#5 |
Senior Member
![]() Join Date: Mar 2003
Location: Colfax-California
Posts: 8,526
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Re: driver side drop transfer case - front axle swap
A LOT of fabrication work to make it work right and get a decent alignment. The straight axle will bolt in, from there will be the disc brake conversion at the master cylinder with the correct prop valve and have a driveshaft fitted, and get a 2wd steering box and have a tie rod made for the steering
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#6 |
New Member
![]() Join Date: Apr 2024
Location: Lincoln, Nebraska
Posts: 7
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Re: driver side drop transfer case - front axle swap
Alright thanks for pointing me in the right direction....I'm starting to understand, my sierra has IFS and it's much more common for people to either swap to a solid axle or use the np205 to fit the existing axle . Np205 looks a bit cheaper but I haven't investigated the adapters yet. Assuming that's why it's a much more conventional route
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#7 |
Registered User
Join Date: Sep 2016
Location: Ft Smith, AR
Posts: 565
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Re: driver side drop transfer case - front axle swap
In my mind your options are: use the Sierra T case and the afore mentioned Ford front axle swap or find a passenger drop NP241C. The beauty of it is direct bolt up to a 4L60 without expensive aftermarket adapters. Unfortunately, the passenger drop version is a little hard to find as it was only used on 88-91 Suburbans and K5's. I think the NP 208 is also a direct bolt up. Actually, probably any passenger drop case that bolted to TH350 will bolt to a 4L60.
PS> cases that bolt to a TH400 use a different output/input spline count than those that bolt to a 350. Last edited by cj847; 06-12-2024 at 12:12 AM. |
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#8 |
Senior Member
![]() Join Date: Dec 1999
Location: Southern California
Posts: 2,805
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Re: driver side drop transfer case - front axle swap
Pretty common to use a driver drop axle (Ford) on 88-98 solid axle conversions. Here is a conversion kit that also has information on axles https://www.offroaddesign.com/88-98-...onversion.html
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Richard 1972 K10 Custom Deluxe SWB Fleetside My build https://67-72chevytrucks.com/vboard/...d.php?t=800746 Last edited by Richard; 06-12-2024 at 02:05 AM. |
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drivetrain swap, transfer case |
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