Thanks Isaac, I'll check out your suggestions

Yes, extreme thanks. Considering prius too, would be lighter and would be happy with 50kw going too front tyres. Have turbo diesel for rear. Also keeping transfer case. My hilux has what Toyota call ADD system which makes all kind combinations possible ( I'm probably preaching to the converted).
Bit ...

G'day, registered 5min ago, I want to connect g/box to front diff in old 2002 Hilux, this would require output shaft to 99% of time to run
in reverse direction of rotation. Does anybody perceive a problem re- the way the helical gears are cut or something i haven't considered.
I don't think the ...