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Old 01-20-2012, 01:54 AM
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Reversing 4t80e output

Uh - you need to find some machinist to grind all the teeth off some gear pair between gearbox output and diff input and either attach a sprocket/chain pair or put on two bevel (miter) gears in their place with a new 3rd bevel pinion between them( and the hassle of fabbing it's own little axle and oiltight enclosure) or two smaller spur gears with a new 3rd idler spur gear (and the hassle of fabbing it's own little axle and enclosure) - - Last of all: one could concievably use 1st gen VW Bus spur reduction gears either at the transmission or wheel end of the halfshafts... they provide reverse rotation, but at 1.5 - 1 ration! GOOD LUCK!!!

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Old 01-20-2012, 06:13 AM
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Quote:
Originally Posted by helvehammer
Uh - you need to find some machinist to grind all the teeth off some gear pair between gearbox output and diff input and either attach a sprocket/chain pair or put on two bevel (miter) gears in their place with a new 3rd bevel pinion between them( and the hassle of fabbing it's own little axle and oiltight enclosure) or two smaller spur gears with a new 3rd idler spur gear (and the hassle of fabbing it's own little axle and enclosure) - - Last of all: one could concievably use 1st gen VW Bus spur reduction gears either at the transmission or wheel end of the halfshafts... they provide reverse rotation, but at 1.5 - 1 ration! GOOD LUCK!!!

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helvehammer... read dates on threads... you posted to a very old thread
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