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Old 23-07-08, 23:44   #51
Steve
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Yep
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Old 24-07-08, 06:23   #52
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So whats the best or should i say cheapest way to convert my stocker calais single spinner (3.08) to a LSD 3.45? im assuming its a 25 spline
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Old 24-07-08, 06:58   #53
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u assume wrong lol, itll be 28 spline. you will have to source an lsd center aswell as a 3.45 gear set.

not so cheap tho. probably easier to buy a new complete diff.
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Old 24-07-08, 08:02   #54
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O. In original thread it stated that N/A had 25 spline axles. I didnt specify sry that it was a N/A diff. Everything else in the car is now turbo except for diff. But from the sounds of it buying a whole new turbo diff might be easier.
.
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Old 24-07-08, 16:20   #55
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Yes, but you also stated that you have a 3.08 ratio diff - which is a V8 diff, and therefore 28 spline. All turbo and V8 diffs, regardless of LSD or not, are 28 spline.

If you have a 3.08 diff, I would recommend selling the diff for around the $400-$500 mark and buying a complete 28 spline LSD 3.45 diff. Unless you know how to set pinion bearing pre-load, its not within your reach to convert your diff.
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Old 24-07-08, 19:49   #56
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cheers 5spd. Delayed comment by myself...
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Old 04-08-08, 08:27   #57
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When spinning the wheels to test if LSD or not do you have the car in neutral or gear?
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Old 04-08-08, 12:24   #58
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Doesn't make a difference. Probably going to be easier on you if its in neutral.
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Old 06-08-08, 23:34   #59
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hey guys has anyone got the track length of the BW78 that went into the VL i wana see if it will go close to a straight fit into my EH with only changing suspension mounts cheers nick.
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Old 07-08-08, 12:22   #60
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Do you mean width, from axle flange to axle flange?
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Old 07-08-08, 20:31   #61
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1250mm :P
and VN diffs are 1300.

fk i know that off the top of my head now, lol i played with the two diffs in my vh
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Old 09-08-08, 10:47   #62
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Quote:
Originally Posted by 5spdvl
Do you mean width, from axle flange to axle flange?

Nah from outside edge of one disk brake (caliper) or outside edge of one drum to the outside edge of the other drum or caliper
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Old 09-08-08, 12:58   #63
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I don't get if a VL came out in 3.45, and a different car 4.11's, how do people make it fit/adapt?

Please explain
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Old 09-08-08, 18:30   #64
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Same brand of diff . Interchangeable parts.
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Old 10-08-08, 21:29   #65
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Quote:
Originally Posted by Psi_Wagon
1250mm :P
and VN diffs are 1300.

fk i know that off the top of my head now, lol i played with the two diffs in my vh

where are u taking those measurements from dude i jist got a r31 housing and its 1400mm without the discs on and they are 1inch shorter than vl diffs
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Old 15-09-08, 19:50   #66
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This might be a question answered before but bear with me
It didnt seem to be answered in the great write up.

Ive got a wagon 3.45, 25 spline rear end and I want to convert it to 3.9, 28 spline off an R31 sedan. (I will be getting the full rear axle disc to disc)

Is it just as simple as taking the 25 spline centre out and replacing it with the new gears and the 28 spline centre?

Or is there some other bearing or something that is going to stop me.

Thanks
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Old 15-09-08, 20:00   #67
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the centre will change over but the axles (or 1 axle) are the wrong length
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Old 15-09-08, 20:47   #68
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And the stud pattern on the r31s is different to the vl aswell
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Old 25-09-08, 18:35   #69
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got a 28 spline lsd here that is loose/worn. can if be tightened up and how hard a job is it to do at home etc..
#50 the irs centres are the same aswell but are BTR ENG brand
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Old 26-09-08, 12:48   #70
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Yes, LSDs can be rebuilt to be tighter, with different sized shims.

It's not a job I would recommend for a novice.
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Old 26-09-08, 13:22   #71
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Quote:
Originally Posted by NZ VL com
got a 28 spline lsd here that is loose/worn. can if be tightened up and how hard a job is it to do at home etc..
#50 the irs centres are the same aswell but are BTR ENG brand
Courier it up to Tony at Steelie Gears in Auckland
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Old 29-09-08, 19:42   #72
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hi guys i have a berlina sedan with single spinner 3.45 drum rear end.(well im 99% sure its a single spinner and 3.45 ratio but i havent checked the i.d. tag on it yet).

I want to convert it to an LSD with disc brakes, what are my options? I know i could bolt a whole vlt or vl v8 rear end straight in, but here in nz they are not exactly easy to find.

if i do find a vlt or a vl v8 one, but its not lsd, i could just take it to a diff shop and get them to fit lsd centre to it am i correct?

but i likely wont be able to find a vlt or vl v8 rear end soon, so is it possible to convert mine to lsd and disc brakes? im guessing as a standard na drum brake diff its probly just the 25spline 2spider type.

so if i was to put lsd in is it possible to source 25spline lsd centre?
what other options do i have? could i replace all the centres and axles etc with 28spline stuff ie would the 28spline stuff fit/bolt in to the 25spline housing?

or if i found an r31 skyline with lsd and disc would the whole rear end bolt in or just the centre and axles?

even if i just know for sure from you guys what parts i need then i can just take it all to a diff shop to get it done - those two words shimming and backlash send shivers down my spine every time i read them in a thread lol.

and can anyone tel me, if i was to put 28spline internals into my standard housing, how would i go about replacing the drums with some disc brakes (or does anyone have a link to a thread about this or something?)

thanks heaps.
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Old 29-09-08, 19:55   #73
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Quote:
Originally Posted by webbey
where are u taking those measurements from dude i jist got a r31 housing and its 1400mm without the discs on and they are 1inch shorter than vl diffs
housing end to housing end.
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Old 01-10-08, 18:44   #74
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Quote:
Originally Posted by madrx3boy
hi guys i have a berlina sedan with single spinner 3.45 drum rear end.(well im 99% sure its a single spinner and 3.45 ratio but i havent checked the i.d. tag on it yet).

I want to convert it to an LSD with disc brakes, what are my options? I know i could bolt a whole vlt or vl v8 rear end straight in, but here in nz they are not exactly easy to find.

if i do find a vlt or a vl v8 one, but its not lsd, i could just take it to a diff shop and get them to fit lsd centre to it am i correct?

but i likely wont be able to find a vlt or vl v8 rear end soon, so is it possible to convert mine to lsd and disc brakes? im guessing as a standard na drum brake diff its probly just the 25spline 2spider type.

so if i was to put lsd in is it possible to source 25spline lsd centre?
what other options do i have? could i replace all the centres and axles etc with 28spline stuff ie would the 28spline stuff fit/bolt in to the 25spline housing?

or if i found an r31 skyline with lsd and disc would the whole rear end bolt in or just the centre and axles?

even if i just know for sure from you guys what parts i need then i can just take it all to a diff shop to get it done - those two words shimming and backlash send shivers down my spine every time i read them in a thread lol.

and can anyone tel me, if i was to put 28spline internals into my standard housing, how would i go about replacing the drums with some disc brakes (or does anyone have a link to a thread about this or something?)

thanks heaps.
Please take the time to read the thread, I didn't just write so I could get my emotions down.
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Old 03-11-08, 19:00   #75
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does anyone know how to figure what a diff came out standard with by the i.d tag? i bought it under the impression it was a vl turbo diff but i.d tag says 3.08 so now im questioning whether its lsd and original disc brake? diff is currently out of car.

thanks in advance.


P/N 92035068
RATIO 3.08 SER.No 1111

cheers.
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