40 series diff ratios

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getsum
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40 series diff ratios

Post by getsum »

hey guys...

im about to start a project but need some info first..

i wanna use an offset nugget diff out of a cruiser..

but not 100% sure what model i need and what models are interchangable..

are they available in 6 stud? a
and what ratios are available from stock?

im thinking its either a bj/fj series i need but yeah, need some advice there..

cheers
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sig
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Re: 40 series diff ratios

Post by sig »

90% are 6 stud ,only 78,79,100 and 200 series are 5 stud. 85% are 4.1 ratio ,14% are 3.7 ratio and if you are really lucky you can get 4.3 ratio out off the late model 79 series pickup.( all % are approx ).hope this helps cheers sig
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MNC
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Re: 40 series diff ratios

Post by MNC »

Where in NZ are you?

I have a few diffs heads lying around if you are in need of one.

I'm also looking to sell a whole 60 series cruiser rear diff with 4.11 open diff head in it and spring pearches welded on top of diff housing for SOA if you were interested.
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getsum
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Re: 40 series diff ratios

Post by getsum »

im in hokitika...
is the 60 series similar to a hilux rear diff except having and offset nugget??
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ClassicCruiserSpares
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Re: 40 series diff ratios

Post by ClassicCruiserSpares »

getsum wrote:im in hokitika...
is the 60 series similar to a hilux rear diff except having and offset nugget??


No the 60 series diffs are alot bigger than hilux but yes the 60 series are offset.
Toyota Landcruiser FJ40, front and rear lockers, 35" simex.
Toyota FJ45 build in progress.
Tires are like boobs, they always look big until you have played with them for a while, then you just want a bigger set.
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getsum
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Re: 40 series diff ratios

Post by getsum »

i realsie theyr offset and bigger...

i mean the axles...i dont know the correct term, but do they have protruding axle hubs? is that floating or something?

im after an exle set up like a hilux rear if that makes sense
probably no biggy actually
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Heath
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Re: 40 series diff ratios

Post by Heath »

Prados had offset diffs didnt they?
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Re: 40 series diff ratios

Post by ClassicCruiserSpares »

getsum wrote:i realsie theyr offset and bigger...

i mean the axles...i dont know the correct term, but do they have protruding axle hubs? is that floating or something?


The Landcruiser has a fully floater in some trucks which has the axle protruding out from the drum, but some cruisers have the semi floating axles which are flush with the drum and has circlips in the diff nugget to hold the ales in.
Toyota Landcruiser FJ40, front and rear lockers, 35" simex.
Toyota FJ45 build in progress.
Tires are like boobs, they always look big until you have played with them for a while, then you just want a bigger set.
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getsum
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Re: 40 series diff ratios

Post by getsum »

will either set up be easier to do a disc conversion on or would they be very similar?
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Re: 40 series diff ratios

Post by ClassicCruiserSpares »

The fully floater would be easyier to do the disc conversion on. Ive also got all the parts to put discs on a fully floater if you need them :D
Toyota Landcruiser FJ40, front and rear lockers, 35" simex.
Toyota FJ45 build in progress.
Tires are like boobs, they always look big until you have played with them for a while, then you just want a bigger set.
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getsum
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Re: 40 series diff ratios

Post by getsum »

how much for a diff??

just going through what i need for this project and the costs..

cheers
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Re: 40 series diff ratios

Post by MNC »

getsum wrote:im in hokitika...


I'm a bit far away for you dude. Would be easier to find one in the sth island.

For a full floater with an open diff head you should be able to pick a rear 60 series one for $300 or say $650 for an 80 series (just estimates to give you an idea).
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getsum
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Re: 40 series diff ratios

Post by getsum »

anyone got one of these for sale??
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Re: 40 series diff ratios

Post by ClassicCruiserSpares »

Yea sure do, send me a pm.
Toyota Landcruiser FJ40, front and rear lockers, 35" simex.
Toyota FJ45 build in progress.
Tires are like boobs, they always look big until you have played with them for a while, then you just want a bigger set.
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