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Hello. Just wondering if anyone has done a ls swap out ?? If so would the stock axles from a 73 wag. Be able to handle the power? ? Given that they line up right and all. And any companies make motor mount adapters for FSJs.
T.I.A
Um... there's been a lot of LS swaps, there's a solid handful of companies that make motor mounts, radiators and adapter plates depending on how much you want to change. BUT a 73 FSJ will have passenger drop front axle, and all the transmission and transfer case combinations that came behind the LS were all drivers drop, so they don't line up at all. As for how they handle the "power", that depends entirely on what you plan to do with it. 31"s and feather footing through the backwoods? No problem. 10" of lift, 39"s and blasting mud bogs? Might need rockwells.
79 J-10 (Honcho Mucho) KE0LSU
304/Performance Fuel Injection TBI/MTA1/SP2P/Magnum rockers
T18/D20/D44s&4.10s/33" Mud Claws
Grizzly Locker Rear
4" front spring drop, 5" rear shackle flip
Chevy style HEI (ECM controlled)
Dolphin "Shark" gauges in a fancy homemade oak bezel
3/4 resto, rotting faster than I've been fixing it.
You probably want to look at the build threads in here (there is a section for them) in addition to searching.
I don't think the stock axles would hold up very well, but it all depends. I have severe issue with semi-float drum brake axles to begin with, so I always recommend full float. But if you baby the stock axles, they may work just fine.