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Nissan Stagea Diff

SDEWY5

By SDEWY5,
in Drivetrain and transmission

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SDEWY5 Community Regular

SDEWY5

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K, so i got a diff today out of a mates wrecked stagea, i was told by a few people that its an R33 GTR diff with 4.3:1 ratios, can anyone confirm? it was a Dayz RS4, 1995 model.

My other question is that it had a heap of hydraulic lines and a loom with 2 plugs. I have left it all intact while removing it but wanted to know, this stagea had traction control, so were these lines for that or is it one of those Active LSD's?

In the situation that it is an Active slip diff does it require all these hoses and harnesses to be functioning for it to correctly work or can it be modified simply not to use them?

i dont have a clue about stageas so any info would be very helpful.

Cheers

Chris.

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blind_elk Grand Master

blind_elk

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The Stagea diff I used was a 4.08 ratio (which is why I used it for my 32 GTS4, to replace a 4.375).

The loom might have been for ABS. Don't know about the hoses.

I'm guessing you want to use it in your 33. I would suggest that the simplest solution would be to just transfer the crown wheel and pinion into your existing R33 diff / centre.

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SDEWY5 Community Regular

SDEWY5

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4.08 ratio eh? interesting... yea ive seen on alot of 96+ model R33's they had Active slip diff's, no idea how they work tho..

What were your thoughts on the Stagea diff? did you find it alot better over your existing diff? My diff in the car at the moment is so fried, basically never acts as a LSD anymore...

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blind_elk Grand Master

blind_elk

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I installed it because I had fitted a RB25DET into my GTS4, and the engine had more than enough torque that the 4.375 ratio was unnecessary.

The engine was from a Stagea, which gave me the front diff, so I swapped a rear diff in as well.

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SDEWY5 Community Regular

SDEWY5

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i see, worked well for u.

well i just pulled it out and got it home, its not an active diff as i thought, it just had all the lines for the 4wd bolted on the underside of it. so thats good, its definitely an LSD and pretty tight one at that but i dont know what to look for exactly in trying to identify it as in ratios and still curious to know if it actually is a GTR item.

What do i look for guys?

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blind_elk Grand Master

blind_elk

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...but i dont know what to look for exactly in trying to identify it as in ratios...

Remove the rear cover plate - the ratio should be stamped onto the crown wheel. Will be 49:12 if it's a stagea diff. GT-R is more like 37:9

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SDEWY5 Community Regular

SDEWY5

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i just had a look at it, cleaned it up as much as possible and found the markings on the crown wheel as being 49:12, so its nothing other than wat ive really already got yeah?

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