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Hi pinion diff in rear of hilux

Tech Talk for Cruiser owners.

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Hi pinion diff in rear of hilux

Post by luxenberg »

Am i able to change my rear diff centre 94 hilux to hi pinion, i've herd you use the front of the 80 series cruiser if so what do i need to change.
Can i use my diff lock and crown and pinion?
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Post by Mr DJ »

It will all bolt in and work fine .... but ... with it in the rear you will be driving forward on the weaker side of the C&P gears so will not be as strong.
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Post by Willy Hilux »

Diff lock will fit but crown and pinion won't. 80 series have 4.1:1 and 105 series have 4.3:1.

I have a high pinion in the front of mine but wouldn't put one in the rear.
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Post by Mr DJ »

Willy, are you saying that getting the matching ratio's is an issue or that they physically won't fit into the housing cause the ridge in the housing for crown wheel clearance is in the wrong place :?
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Post by Evski »

Ive been thinking about this as well to get more clearance under the tailshaft. Works on GQ', but is there no way to get this working in a HiLux?
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Post by Willy Hilux »

Just saying that you can't put a low pinion crown and pinion in a high pinion centre.
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Post by thrashlux »

Willy Hilux wrote:Just saying that you can't put a low pinion crown and pinion in a high pinion centre.
yeap they r a reverse cut gear
80 series 1980 hilux cab supra twin turbo engine
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Post by Mr DJ »

My bad, though he was going to bolt in a complete centre :oops:
91' Hilux Surf with the usual mods & a few different ones ....
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Post by Evski »

Might be the hard way to do things, but would it be a viable alternative to cut all the mounts off the axle housing, and flip it so the pinion is sitting high?
Obviously there will be issues with the filler and dain plugs, but could this work? I'm getting sick of breaking tail shafts!
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Post by vk7ybi »

Wont work.
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Post by Willy Hilux »

The front will go forward and the rear will go in reverse. Will Fu*> ya transfer pretty quick. So no, that won't work.
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Post by Evski »

Damn it, oh well thanks guys.
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Post by v8zuki »

i fitted a high pinion ctr to the rear of my hilux as i was having the same probs breaking unis
fitted the airlocker and it is all good have to use the right bearings to suit the locker of course as the high pinions are different to lsd hemis
was running 35"tyres and never had it breakdid about 45thousand kms with it and never had any more dramas with unis and ctr bearings
FOR SALE hilux parts all models
have most parts available from early to late
call mick 0415156693
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