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Guest Message by DevFuse

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Reverse the drive output?

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7 replies to this topic

#1 NVBigBlue


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Posted 01 July 2005 - 03:53 PM

Hello all,
I have a project in mind that the running gear from an older 4WD suby would be perfect in...if I could make it do what I needed it to. Basically I want to take the entire drive train out of the car and reverse it. That is, the motor is now in the back of the vehicle. But the tranny would have to run in reverse to go forward. Is there a way to (internally) reverse the final outputs of the dual-range trannies?

#2 All_talk


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Posted 01 July 2005 - 08:19 PM

Your not the only one with this dream, but there is just no way to do it with the Subie gearbox. The shafts could de driven backward if you address the thrust surfaces (and build a motor to run backward :rolleyes: ), but the final drive will still be pushing on the wrong (back) side of the gears. If you really want to do rear engine (and dont need a lot of HP), look into an adapter and a VW gearbox.


#3 ballitch


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Posted 01 July 2005 - 08:29 PM

im afraid hes right man, but wouldnt it be awesome if you could. There's just too much stuff in a suby gear box.


#4 baccaruda



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Posted 02 July 2005 - 12:37 AM

what are you putting it in?

if there's any way you can power it with a differential, you can flip the differential over.

#5 TheSubaruJunkie



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Posted 02 July 2005 - 01:05 AM

use the subaru stuff but do a 6" lift and a toyota transfercase. Modify the 2nd transfercase to run the output shafts backwards.

Then a front and rear LSD should do the trick.


#6 TomRhere


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Posted 02 July 2005 - 04:37 AM

Seem to remember reading that one of the Guys from the ausubaru board had flipped the final drives in a tranny for reversed output. Maybe it was that he was just trying to do so, not sure as it's been awhile.

#7 archemitis


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Posted 04 July 2005 - 09:24 AM

i discussed this in length on a road trip from texas to minnesota with my equaly creative cousin.
a cam regrind costs 150 bucks right?...well, it would require a completely different cam, and your exhaust valves would be bigger than your intake valves... but how hard would it realy be to make an ea81 run backwards? dual carbs, exhaust stickin straight up.

you can always put in new valve seats so the valves are exqual size... good for low end torque i hear.

i always imagined the front wheels being the furthest forward part, so you could drive up to a brick wall, and push untill the car was almost vertical.

#8 Guest_shadow_*

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Posted 04 July 2005 - 10:42 AM

One option I considered for a buggy was a mid engine configuration 4wd system. This had been done by a board memeber in AU. with the Subaru drive train, however he used a toyota engine. The driveshaft is chain driven in this configuration.

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