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mq diff centres into a gq???????

Tech Talk for Nissan owners.

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Posts: 79
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mq diff centres into a gq???????

Post by ashbilt »

hey guys i have found a set of 4.6 ratios but they from a mq does the diff centre bolt strait in? i'l be using my gq lockers so theres not gonna be any spline issues.

cheers
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Post by ozy1 »

the mq front is alot smaller than gq front, so no they wont fit,
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Post by allisterrenee »

I have a MQ rear LSD fitted into my GU front centre and then fitted into my GQ front housing..
It didn't take much to do and its wound up very tight . Does alot of stuff lockers have to be turned on to do . And does it easy as.. Hasn't efected my turning circle to much and i dont break CVs or hubs
So yes they can be fitted :) :cool:
Lifted turbo GU , 900blade .. TLR1000 "the dark side" , Boat ,
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Post by WICKED »

Just use the MQ C/W&P in the GQ 3rd Member with the GQ lockers.

You'll need 2 MQ 4.6 Rear C/W&P.
The front is a C200 and, as stated, is nothing compared to GQ/GU Centre's.
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Post by Spartacus »

Does the MQ rear third go straight into a rear GQ housing?

Are the both H233?
MULL
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Post by Spartacus »

oops shoulda kept searching
in a nut shell.......

MQ/MK rear diffs have the same spine counts as the GQ fronts do.
The mq and GQ rears and gq fronts are the same physical size but different spline counts between rears...

so basically,
You can bolt a gq front centre into a rear mq housing/axles and you can bolt a MQ rear centre into the front GQ housing/axle/CVs
But an MQ rear centre is not interchangeable in GQ rear housings.... or visa versa.....
rear to rear is a no go due to axle splines. you cant change the axles over because gq diffs are wider....
mq fronts are a completely different diff.

if you change the mq rear into a gq front you need to do a knuckle swap to bring the tie rod to the front of the diff instead of the back as gq fronts are high pinion and mq rears are low pinion....

also the gqs only have 4.1s, most mqs have 4.6s so you will need to ensure correct ratio changes.

screwy
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Post by (EST)MahviaDeTyrk »

Spartacus wrote:Does the MQ rear third go straight into a rear GQ housing?

Are the both H233?
Never seen GQ with H233 - They are all H233B

MQ/MK rear may be H233 or H233B


H233
31 spline 32 mm
Ring ID = 146 mm
9 bolts
Bolt ring diameter = 180 mm
10 mm bolts

----------------------------

H233B
31 spline 32 mm
Ring ID = 146 mm
9 bolts
Bolt ring diameter = 176 mm
12 mm bolts

-----------------------------

H233B
33 spline 33,3 mm
Ring ID = 146 mm
9 bolts
Bolt ring diameter = 176 mm
12 mm bolts
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