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Is there any reason, if this would even work, to put a land cruiser front axle underneath? I might have access to one. And what is the advantage of a high pinion 3rd, other than clearance?


Landcruiser axles will work wih some effort. The early ones are basically no different, strength-wise than the mini-truck axle, bit different diffs.

The FJ80 axle is high pinion, wider than stock, very strong. A bit harder to find steering kits for, I think Ott in Canada is one of the only vendors for high steer arms. High pinion adds clearance, helps w/ front driveshaft angle and also is stronger in the front axle with the reverse cut gears:
- http://www.4crawler.com/4x4/4R_TechInfo.shtml#ReverseCutGears