LSD in frount diff

Post by **bns_4x4** » Wed Feb 22, 2006 5:12 pm

A mate of mine was telling me that the hemisphere out of a rear lsd can be put into the front just wondering if this is pissable its for a GU patrol

Post by **Daisy** » Wed Feb 22, 2006 7:02 pm

nope not possible

they have different spline count.

Your best bet is looking at fittin a pathfinder rear LSD into your front as they share the same spline count.

Regards
TOM

Post by **eighty8** » Wed Feb 22, 2006 7:45 pm

Have just fitted a navara rear lsd into the front of my gq. It is a straight bolt in.

The spline and shaft size on the navara/pathfinder rear is listed as the same as a gu front, so should also be a easy swap.

cheers.

Post by **bns_4x4** » Thu Feb 23, 2006 6:30 am

Thanx for the information ill start looking out for a pathfinder lsd

Post by **giantracing** » Thu Feb 23, 2006 8:24 am

i have done at least a dozen of them. there is a trick for doing them. 750 built using your centre

Post by **big ben** » Mon Mar 13, 2006 4:42 pm

eighty8 wrote:Have just fitted a navara rear lsd into the front of my gq. It is a straight bolt in.

The spline and shaft size on the navara/pathfinder rear is listed as the same as a gu front, so should also be a easy swap.

cheers.

Looking at doing exactly the same to my 88 patrol.
What is it like off road ?. Good and bad bits ie. steering weight??
Thanks heaps

Post by **big ben** » Mon Mar 13, 2006 4:43 pm

eighty8 wrote:Have just fitted a navara rear lsd into the front of my gq. It is a straight bolt in.

The spline and shaft size on the navara/pathfinder rear is listed as the same as a gu front, so should also be a easy swap.

cheers.

Looking at doing exactly the same to my 88 patrol.
What is it like off road ?. Good and bad bits ie. steering weight??
Thanks heaps

Post by **stool** » Mon Mar 13, 2006 5:18 pm

I almost went the lsd in the front diff

But welded it insted and no regrets at all

Post by **JemmyBubbles** » Mon Mar 13, 2006 5:27 pm

Stool,

Would you mind putting up a howto (Rough or detailed) guide on welding your front diff. I know I can find like infinite methods for suzuki and tojos but a nissan one doesn't exist..

Is it as simply as yanking out centre and going to town on the spider gears ? Do you chuck stuff in there with them ??

Could you comment on the overall I guess compromise of having the front welded ? Is it thaaaaat Bad.. ?? For no $$$ is it worth it ?? etc etc

Post by **pongo** » Mon Mar 13, 2006 7:05 pm

I just welded the 4 corners where the spiders come in to contact. Didint even dissmantle centre. Its only a MK but i broke 1 CV, and just about stuffed my hubs. The welds are still holding strong. I guess you could put a large washer to cover the spiders and then weld it on to make it stronger

Anyway have fun, Once your in there youll see how to do it. Failing thAT GOOGLE " Cig Locker" Or " lincoln locker"

Post by **stool** » Mon Mar 13, 2006 7:16 pm

Method to weld the GQ cantre is the same as most other diff centre
just bigger

1 pull axel and cv out

2 Remove steering drag link

3 Remove prop shaft and mark the position of flange to shaft for
correct balance

4 Remove all the nuts from diff carrier

5 Slide diff carrier out which will Brake your arm as it is very {HEAVY}

6 Remove diff centre from carrier

7 Clean oil from gears

8 Find a mate who is handy with a mig welder

9 Weld spider gears togther than weld spider gears to diff center

Do one or two welds a day as to keep it all cool to touch for max strength
and Never cool off with water.

10 Clean all spatter from gears and centre as thay will stuff your bearings
big time if left in centre .

Driving with a welded diff is quiet good in a patrol .

The steering is heavy when on high traction and will return to centre
Thats about it.

I find the extra traction well worth the zero dollors it cost to lock the
front diff

And ive been told ARB air lockers replace the centre anyway
so who cares.

Just do it .

Post by **eighty8** » Tue Mar 14, 2006 8:04 pm

big ben wrote:
eighty8 wrote:Have just fitted a navara rear lsd into the front of my gq. It is a straight bolt in.

The spline and shaft size on the navara/pathfinder rear is listed as the same as a gu front, so should also be a easy swap.

cheers.
Looking at doing exactly the same to my 88 patrol.
What is it like off road ?. Good and bad bits ie. steering weight??
Thanks heaps

The extra drive thru the front is great, makes a big difference. The steering is a little heavier and wants to center it self, just got to adjust your driving style in some situations but nothing bad, after 2 or 3 trips l'm used to it.

I've had a front wheel lodged fairly tight in a rut once or twice, the limo obviously allows some slip untill the full load is off that wheel which reduces the risk of a cv breakage, which l like.

Post by **big ben** » Tue Mar 14, 2006 8:24 pm

eighty8 wrote:
big ben wrote:
eighty8 wrote:Have just fitted a navara rear lsd into the front of my gq. It is a straight bolt in.

The spline and shaft size on the navara/pathfinder rear is listed as the same as a gu front, so should also be a easy swap.

cheers.
Looking at doing exactly the same to my 88 patrol.
What is it like off road ?. Good and bad bits ie. steering weight??
Thanks heaps

The extra drive thru the front is great, makes a big difference. The steering is a little heavier and wants to center it self, just got to adjust your driving style in some situations but nothing bad, after 2 or 3 trips l'm used to it.

I've had a front wheel lodged fairly tight in a rut once or twice, the limo obviously allows some slip untill the full load is off that wheel which reduces the risk of a cv breakage, which l like.

Sounds like ur happy with the result, so i assume u can climb and decend hills with greater control.Have u got a before/ after story of your favorite hill?? You mention the self centring effect of the LSD, does the 4b have a worse turning circle ie weaving between trees?
thanks

Post by **eighty8** » Tue Mar 14, 2006 8:49 pm

[/quote]
Sounds like ur happy with the result, so i assume u can climb and decend hills with greater control.Have u got a before/ after story of your favorite hill?? You mention the self centring effect of the LSD, does the 4b have a worse turning circle ie weaving between trees?
thanks

[/quote]

No it doesn't have a worse turning circle, it's just heavier cause the front wants to drive in a straight line. Just gotta change your driving style a little. It will slide a little on a greasy track like any style of locked diff will but like l said, you learn to adjust.
Overall, ...real happy with it

Post by **big ben** » Sat Mar 18, 2006 2:56 pm

I pulled everything apart the other day, and the Navara LSD i got is a oddball and wont go into my GQ front easily. What year Navara LSD did you use??

Post by **Beastmavster** » Sat Mar 18, 2006 5:27 pm

Needs to be a V6 Navara...

Post by **gut42** » Sun Mar 19, 2006 9:23 pm

big ben wrote:I pulled everything apart the other day, and the Navara LSD i got is a oddball and wont go into my GQ front easily. What year Navara LSD did you use??

try talking to HARTS TRANSMISSIONS at brendale in brisbane they did a great job on my GU and a mates GQ, we are both wrapped!!!

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