Can U put a high pinion front Toyota 9' ....

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I have an 89' LJ71 SWB cruiser that has 8" diffs, i am seriously considering gettn & modifying a series 60 9"rear full floater diff - as 60 parts are cheap in NZ plus they're built tough ( not sure if they come in "fullfloat" for that model ? ) and using a front high pinion housing/3rd member in the rear , may have to change out the rear crown wheel & pinion to suit - is this possible ?? (will be running disk brake rear )

Why do i want this , well this SWB i have could well have a tough 13BTT or a 14BTT under the boonet in the coming months and will be doing a lift for 33 x 13.5 tyres and don't want any driveline issues as may be running a splitter between the Engine & H55J box , so need a High pinion housing in the rear , I used to be a jeeper and alot of people were running around with High pinion Dana 60 rear ends , so thats where the idea came from !
 
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the toyota 8" housing is no different for a high- or a low-pinion. That said I definately wouldn't run a HP 8" in the rear, even less if you're going for a torque monster. The resverse cut gears will run backwards all the time, I don't think they will survive very long, they're not bulletproof to begin with even in a stock LJ.
 
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