Quote:
Originally Posted by unisnpf
I realize there are probably a number of build threads out there that I will use to do the swap but just a quick question: are there modifications required to the 2wd underside to support the additional components of the 4wd such as the front and center diffs?
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Not a ton of threads on it. My signature has a link to my thread on it. The MT version is a *slightly* different story, but not much.
Short version:
All front-end components bolt in
Transmission crossmember is the same, but welded to the frame in a different location (easy to move if you have a grinder and welder).
Shifter hole under the console is different, but you have a parts truck to get the parts from
Wiring for j-shift is 4-6 wires on each side of the front (ADD stuff, transfer case switches).
Rear upper links are different between 2WD and 4WD, swap in rear diff to make 100% sure the ratios match.
That's it. You'll want to get/use an 'early' truck ('96-'98) for simplest wiring, but you can do a '99/'00 if you want with some extra work. Avoid an '01/'02 donor.
If the recipient truck was a 15" wheel truck originally, you'll want to swap over the larger brakes (front calipers/rotors and rear wheel cylinder).
Charlie
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'99 4Runner SR5 Auto -
4WD swapped
'89 Camry Alltrac LE 3S-GTE 5spd
'17 Chevy Volt Premier
'16 Honda Odyssey Elite
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