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GQ/GU Diff Centers

Tech Talk for Nissan owners.

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GQ/GU Diff Centers

Post by NissanTuff »

Can any1 tell me if a GU rear center will fit into a GQ rear housing and axles.
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Post by leesmkshorty »

Yes I put a GU 4.6 into my gq wagon, the only think i had to change was the yoke where the centre nut is as the GU's have a different holes setup and will not fit to a Gq tail shaft.
GQ , TD42, FRONT and REAR AIR LOCKERS, 4.6 RATIO DIFFS, EXTRACTOR,
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Post by bigbluemav »

As long as its not a H260 (rear) from a GU. Some of the manuals (ZD30 and TB45) have H260's.

The most sought after (out of 2.8's) with the 4.6's are H233, so you're good!!
Big Dave, Scarborough, Qld
Loose Screws 4wd Racing Team
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Post by NissanTuff »

well bugger I missed ur post Bigbluemav. I got a gu rear center looks like Its could be a h260. The OD is heaps bigger. Is there any where on the center to tell what kind it is. The Gu center is 4:1.
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Post by bigbluemav »

NissanTuff wrote:well bugger I missed ur post Bigbluemav. I got a gu rear center looks like Its could be a h260. The OD is heaps bigger. Is there any where on the center to tell what kind it is. The Gu center is 4:1.
Bummer!! It must have come out of manual TB45 or TD42T? All I know is that they are physically HEAPS bigger.

Anyone else able to offer any assistance?
Big Dave, Scarborough, Qld
Loose Screws 4wd Racing Team
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Post by YNOT »

Measure the diameter of the crown wheel. H260 = 260mm. H233 = 233mm.

Tony
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Post by NissanTuff »

Yep its a H260. So any1 wanna buy a rear 4:1 H260 out of a GU. :twisted: Thanks 4 ur help fellas . :armsup:
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Post by MyGQ »

Not all TD42T's have H260's

Just replaced the rear diff in a GU 2000 TD42T and it was running HG39 Diffs which are H233B 3.9:1 Ratio
AA's for Quitters
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Post by bigbluemav »

MyGQ wrote:Not all TD42T's have H260's

Just replaced the rear diff in a GU 2000 TD42T and it was running HG39 Diffs which are H233B 3.9:1 Ratio
I'm not sure what the 'rule' is with diff sizes and ratios etc. BUT, I thought manual TD42T's had 4.1's and 3.9's were auto's (attached to TB45's)
Big Dave, Scarborough, Qld
Loose Screws 4wd Racing Team
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Post by NissanTuff »

Well not sure what it is now. But would like to find out so i can sell the thing. All I know its out of a GU Rear and its 4:1. And dont fit in my 96 GQ wagon td42.
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