Overdrive unit

klf400 · May 16, 2010

hi all:welcome2:
anyone know if a fairey overdrive unit will fit my 1990 defender 90 3.5v8 5 speed manual? would it be pointless fitting it cos its a 5 speed box anyway?
it was removed from a 1971 series 3

fanatic · May 16, 2010

change transfer box for disco box, but you need to drill handbrake mounting point

jai_landrover · May 17, 2010

fanatic said:
change transfer box for disco box, but you need to drill handbrake mounting point

No its too low a ratio for a V8.

V8 should have a 1:00:1 transfer box. it it original or factory? if so leave alone its ok. If not, where did you get the gearbox from? and what transfer box did you fit and where was it from?

Once these are answered we can decide what transfer box you have ratio etc and then advise. I suspect if you have the original transfer box then change it for a RR LT230 from a V8 which will be 1.00:1 opposed to a 1.4:1 fitted to a 4 pot diesel

klf400 · May 17, 2010

jai_landrover said:
No its too low a ratio for a V8.

V8 should have a 1:00:1 transfer box. it it original or factory? if so leave alone its ok. If not, where did you get the gearbox from? and what transfer box did you fit and where was it from?

Once these are answered we can decide what transfer box you have ratio etc and then advise. I suspect if you have the original transfer box then change it for a RR LT230 from a V8 which will be 1.00:1 opposed to a 1.4:1 fitted to a 4 pot diesel

its an original v8 county [so best left alone] but the overdrive unit came from a 4 pot diesel series 3

Davec · May 17, 2010

Forget the Overdrive, 99.9% certain it won't fit.

Overdrive unit

klf400

Active Member

fanatic

RESPECT IS EARNED, BEATINGS ARE FREE ;-)

jai_landrover

Well-Known Member

klf400

Active Member

Davec

New Member

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