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Old 10-09-10, 09:41   #151
Jakeb110
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What falcon borgy axles would go straight into a vp diff? I want the falcon/nissan stud pattern, im crazy i know
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Old 10-09-10, 12:29   #152
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None. They are different lengths to a VP diff. If you want that stud pattern, if you can't find adaptors, find an axle supplier and ask they either supply axles with the appropriate stud pattern or get them undrilled, then have a wheel shop etc drill them for you.
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Old 12-09-10, 19:59   #153
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hey ive got a 28spline 4 pinion without the lsd option - berlina turbo wagon

i want lsd, what are my options ? can i chuck lsd in cheap or am i better off sourcing a new diff

thanks
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Old 13-09-10, 18:15   #154
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all you need to do is get an lsd centre man, from anything VL-VS live axle
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Old 14-09-10, 21:06   #155
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that sounds reassuring... can you buy them new or reconditioned from a diff shop you reckon ?
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Old 14-09-10, 22:36   #156
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Or you could go down to your wreckers and sus out some EA-EL wagons and see if they have LSD. Take centre out bolt into your diff easy as. Least you know it will have less chance of being thrashed being leaf sprung.
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Old 14-09-10, 22:38   #157
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You can buy them new reconditioned on ebay from about 350 bucks. Centre only, no gears, in 28 and 31 spline configurations..
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Old 15-09-10, 09:43   #158
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Or you could go down to your wreckers and sus out some EA-EL wagons and see if they have LSD. Take centre out bolt into your diff easy as. Least you know it will have less chance of being thrashed being leaf sprung.
Problem with that is those centres will most likely have different gearing to his current diff, which means changing either the ring gear or pinion.
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Old 06-10-10, 19:12   #159
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hey, would v8 wagon diff fit into calais sedan
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Old 06-10-10, 22:26   #160
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hey i got v8 3.08 lsd diff in my vlt atm, apart from buying diff gears wats another option? pintara diff? also ive heard some older holden rodeo diffs had 4.11's anyone no of this?
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Old 07-10-10, 10:21   #161
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you wont get a rodeo diff under a vl nor pintara.. just change the gears
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Old 07-10-10, 12:21   #162
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Hi Guys, so ive done the mandatory reading of this thread for the answers to my question but can seem to find one so here goes:

I currently have a 25 spline sedan non LSD diff sitting in the shed that was originally in the car.

I have a 28 spline Non LSD wagon diff in the car now (found out the shock mounting were different after we pretty much had it in so just made it fit!).

I have a 28 spline LSD carrier unit and 3.08 gears (i have heard that the diff gears are all the same for 25/28 spline).

Can i straight swap the 28 spline wagon internals (and install the LSD/diff gears at the same time) into the 25 spline sedan diff housing?

So basically i wanna gut one diff and fill it with the other internals.

Cheers guys
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Old 07-10-10, 16:06   #163
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99% sure you can, 5spdvl will be able to confirm. If you are doing that at least put a set of 3.45s in at the same time
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Old 07-10-10, 16:37   #164
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3.7s slapping in
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Old 07-10-10, 19:51   #165
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^^I've read a lot on here about VL Wagon axles being different in lenght to VL Sedan axles (read lots of arguements), some people reckon they're the same some reckon they're different) but somehow I think maybe they're getting confused with the difference between VL and VN axles.

But yes 5spdvl knows all about this stuff so he'll be able to help ya
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Old 07-10-10, 20:26   #166
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Quote:
Originally Posted by Rollin View Post
Hi Guys, so ive done the mandatory reading of this thread for the answers to my question but can seem to find one so here goes:

I currently have a 25 spline sedan non LSD diff sitting in the shed that was originally in the car.

I have a 28 spline Non LSD wagon diff in the car now (found out the shock mounting were different after we pretty much had it in so just made it fit!).

I have a 28 spline LSD carrier unit and 3.08 gears (i have heard that the diff gears are all the same for 25/28 spline).

Can i straight swap the 28 spline wagon internals (and install the LSD/diff gears at the same time) into the 25 spline sedan diff housing?

So basically i wanna gut one diff and fill it with the other internals.

Cheers guys
answer is Yes you can. ive done it both ways before, sedan to wagon and vise versa.
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Old 08-10-10, 09:57   #167
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answer is Yes you can. ive done it both ways before, sedan to wagon and vise versa.

Thanks man, so you have swapped spline sizes too?
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Old 08-10-10, 12:10   #168
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yep the current diff in my vh was a 25 spline single spinner, i put the guts form my wagon 28 spline lsd into it
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Old 08-10-10, 12:22   #169
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yep the current diff in my vh was a 25 spline single spinner, i put the guts form my wagon 28 spline lsd into it
Awesome, cheers man. Was it hard to swap it all over. Do you happen to know the starting torque for the crown wheel/pinion and also the backlash of crown wheel to pinion?
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Old 09-10-10, 21:40   #170
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np's man.

it was pretty simple, and i couldnt tell you the torque settings as i did it by feel. that diff has been going strong minispooled for years now with no probs, haha


Edit: here you go, straight from the workshop manual for the 28 spline diff;




Last edited by Psi_Wagon; 09-10-10 at 21:46.
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Old 15-10-10, 03:28   #171
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Hi guys I need some advice, I have just done a complete driveline change on my VL Calais and i stupidly left it up to the mechanic to decide on a bulletproof diff for it as the car is putting out over 400rwkw and everything else in the driveline is tuff as. He installed a Full spool with 31 spline Mosley axles in my original BW housing and original 3.89:1 gears. But it is a pain in the ass for the street so i am trying to find the best option for a really tuff diff and is it possible to retain the 31 spline axles and just change it back to a LSD centre. Cheers

Last edited by Brocksta; 15-10-10 at 03:35.
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Old 15-10-10, 13:55   #172
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Quote:
Originally Posted by Rollin
Hi Guys, so ive done the mandatory reading of this thread for the answers to my question but can seem to find one so here goes:

I currently have a 25 spline sedan non LSD diff sitting in the shed that was originally in the car.

I have a 28 spline Non LSD wagon diff in the car now (found out the shock mounting were different after we pretty much had it in so just made it fit!).

I have a 28 spline LSD carrier unit and 3.08 gears (i have heard that the diff gears are all the same for 25/28 spline).

Can i straight swap the 28 spline wagon internals (and install the LSD/diff gears at the same time) into the 25 spline sedan diff housing?

So basically i wanna gut one diff and fill it with the other internals.

Cheers guys
Yes, you can swap the internals between sedan/wagon housings. Wouldn't recommend running a wagon housing under a sedan and vice versa though!

Quote:
Originally Posted by Brocksta
Hi guys I need some advice, I have just done a complete driveline change on my VL Calais and i stupidly left it up to the mechanic to decide on a bulletproof diff for it as the car is putting out over 400rwkw and everything else in the driveline is tuff as. He installed a Full spool with 31 spline Mosley axles in my original BW housing and original 3.89:1 gears. But it is a pain in the ass for the street so i am trying to find the best option for a really tuff diff and is it possible to retain the 31 spline axles and just change it back to a LSD centre. Cheers
400rwkw is a HUGE amount of power for the street, probably almost to the point where you wouldn't drive it on the street. The only diff centre that'll give you LSD action without breaking is the Harrop TrueTrac helical LSD, but be prepared to pay around $1500 for it.

Last edited by 5spdvl; 15-10-10 at 13:59.
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Old 20-10-10, 09:49   #173
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Originally Posted by Psi_Wagon View Post
np's man.

it was pretty simple, and i couldnt tell you the torque settings as i did it by feel. that diff has been going strong minispooled for years now with no probs, haha

Edit: here you go, straight from the workshop manual for the 28 spline diff;
Awesome thanks mate. Pulled the diff apart and it looks like they have shortened a VN diff so the axles are too long. They tried to shorten them and made a helluva mess of the splines when they tried to respline them. So now the axles dont butt all the way into the carrier. Gotta mate that reckons he can get them sussed though. Either that or i go back to 25 spline single spinner!!

Other than that all your advice has been graet man. Everything swapped over mint as...

Cheers
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Old 15-11-10, 23:32   #174
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Quote:
Originally Posted by h|ghland View Post
that sounds reassuring... can you buy them new or reconditioned from a diff shop you reckon ?
HART TRANMISSIONS at Brendale if you want a reconditioned LSD center supplied and fitted, give them a call.
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Old 20-03-11, 12:39   #175
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how much oil does the diff take??? im guessing keep filling until its up to the filler hole but i have the front up on ramps at the moment and cant get it off until i have oil in the diff.
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