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Author: Subject: 4x4 gearbox
oadamo

posted on 13/4/07 at 10:11 PM Reply With Quote
4x4 gearbox

hi all
can the gearbox on a 4x4 sierra be used for rwd. and is the gearbox stronger then a standard sierra box. is this box the same as on the cosworth?
thanks adam

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Chippy

posted on 13/4/07 at 10:25 PM Reply With Quote
In short, NO. The 4x4 box is not usable for RWD, as you cant remove the transfer box section. Ray





To make a car go faster, just add lightness. Colin Chapman - OR - fit a bigger engine. Chippy

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hector

posted on 13/4/07 at 10:26 PM Reply With Quote
HI
Yes it can, I converted mine to two wheel drive-just got the tail housing from a normal type nine, then removed the transfer box tail housing and fitted the normal one in its place

cheers

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hector

posted on 13/4/07 at 10:28 PM Reply With Quote
ps mine was a 2.8 type 9, If you are asking about mtx75 I dont know, but the 2,8 one you definetly can!
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oadamo

posted on 13/4/07 at 10:32 PM Reply With Quote
ive already had the back off end off a 4x4 on the scrapyard i went back and it had gone. but ive spotted another one on the same yard so i was gonna get the diff just incase and get the gearbox if i could use it. last time i never looked the the gearbox bit.but do you think its stronger then a standard box or just get a mt75 one
adam

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turbodisplay

posted on 13/4/07 at 10:49 PM Reply With Quote
4x4 gearboxes are based on mt75 or type9 with transfer box (age depending).
Both the same strength as the corresponding gearbox it is based on.

You will find the v6 boxes are longer 170 instead of 150mm input shaft (might be wrong).

Mt75 can take 200hp - 400hp.

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oadamo

posted on 14/4/07 at 09:42 AM Reply With Quote
doesnt matter now ive just found out a vauxhall calton or senator box 265 5 speed a zf or r25 box from 94-98 bolt stright on to a saab 2.3t engine so iam off to get one
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goodall

posted on 14/4/07 at 04:14 PM Reply With Quote
since your converting a fwd to a rwd it wouldent be much more of a move to make it 4x4, just require the right oil sump, bolt on the diff and fit two drive shafts from the diff to the existing front cv's and a new front prop shaft be rather simple and not that much more work since theres no more mountings required to make it all work just 3 shafts.

but maybe you want rwd, allow from what i hear the ford 4x4 box has a very nice torque split which makes it behave just like a rwd until you turly screw up. the 4x4 would help you put lots of that horse power to the road with out huge amounts of wheel spins

[Edited on 14/4/07 by goodall]

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oadamo

posted on 14/4/07 at 05:07 PM Reply With Quote
ive just spent all day on the yard getting the engine ready to take it out. the water pump is external the ecu is mounted where the wipers are in the engine bay so ive got all the wiring ecu map sensor. ive gotta go back to get it monday to pick it up because by the time i finished there where ready to go home. oh i got the oil cooler an intercooler aswell all for £75 bargain
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