37's are a 'cusp' tire size...right on the top edge for Dana 44's and bottom edge for Dana 60's & 14-bolts. With the V8, I'd probably opt for a 60/60 or 60/14 combo. Can't really advise you on the Toy axles...not a real common swap and they have their own issues. The key is to research the costs of the upgrades. Alot of the time upgrading a lesser axle to the strength of a bigger axle costs more than just buying the bigger axle. It's one thing if you already have, say, a Dana 44 with all the trimmings running 36's and then upsize to 38's and spend the coin for alloy shafts and hi-zoot u-joints, it's a whole nother thing to have nothing with the intention of running 38's and go out and buy a Dana 44, then proceed to buy gears, locker, hi-steer, alloys, etc to get it up to Dana 60 strength...just buy the Dana 60, it'll be cheaper and still have the headroom to be made even stronger if need be. Kinda like the guys with the 'Fast & Furious' cars who drop big money on performance parts so they can beat a Mustang when they could've just bought the Mustang and still have the headroom to make it even faster with the same types of parts.
'86 CJ-7 Laredo: 4.2,T-999,D300,D30/D44,'94 YJ tub, full cage, Shrockworks rockers, OYR corners, AC,cruise,restored seats,3 tops,2.5" Superlift,F-T shackle reversal, RS9000x's,35" Dunlop Mud Rovers.
'83 Scrambler: time & money pit under construction with parts from CJ's,YJ's,TJ's,FSJ's,GM,Ford,IH,Honda,Toyota and a whole lotta aftermarket & custom stuff.
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