swap A341 valve body to A343f tranny??

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rma

New Member
Messages
100
Location
san jose ,ca USA
so im tying to complete a swap using a 1992 ls 400 engine ,ecu into a 1972 fj40.Im wanting to use the fj80 a343f for offset front and rear outputs to keep the fj axles . My question is to any transmision guru out there, can i just swap the valve body from the lexus a341 to the fj80 A343f so that the ls400 ecu can control the tranny, or would i need to swap over other parts as well.
I obviously dont know exactly how these trannies work but i hopeing i can do this ..

or would it be ok to just wire in the A343f's solenoids to the lexus ecu without the lockup.A341 has 4 solenoids and the A343f has 3 with no lock up.
 

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rma

New Member
Messages
100
Location
san jose ,ca USA
well i looked at the diagrams again and maybe i can just wire in the A343f to the ls 400 ecu with out the 4 solenoid .. from what i read the 4 solenoid on the A341 is just for smooth shifting...
 

gloverman

Well-Known Member
Messages
2,968
Location
Hamilton. New Zealand
I think you will find the A343F doesnt have the front gearbox speed sensor and has a different pulse rear gearbox speed sensor. When we used to do that swap we changed the internals of the box. We now do things a bit different. We presently are wiring up the same swap in a FJ40. Cheers
 
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