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PT
Locked Diff in datsun 1200
#1
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Hey guys,

Im from brisbane qld and am just wondering is a locked diff in a datsun 1200 with a ca18det road legal??

Posted on: 2008/9/9 3:09
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1200rallycar
Re: Locked Diff in datsun 1200
#2
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welded diff centres are not legal

Posted on: 2008/9/9 3:10
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PT
Re: Locked Diff in datsun 1200
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Quote:
1200rallycar wrote:
welded diff centres are not legal


So if I was to try and get a road worthy with a locked diff centre do they check on that kind of stuff??

cheers

Posted on: 2008/9/9 3:14
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1200rallycar
Re: Locked Diff in datsun 1200
#4
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yep its pretty obvious, when they drive it they will notice for sure

it is legal to have an LSD or other, just not welded solid, not sure how it is worded exactly but essential it has to be able to slip

Posted on: 2008/9/9 3:17
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crzy_1200_ute
Re: Locked Diff in datsun 1200
#5
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wats the point welding it? ask a guy on here called smitty what happens when u weld it lol.. i think he has brought out most of australia's spare axels LMFAO

he ended up buyin a r31 lsd coz he got sick of snappin them

diffs arent made to be welded

Posted on: 2008/9/9 3:18
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PT
Re: Locked Diff in datsun 1200
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Quote:

1200rallycar wrote:
yep its pretty obvious, when they drive it they will notice for sure

it is legal to have an LSD or other, just not welded solid, not sure how it is worded exactly but essential it has to be able to slip


ok fair enough so i'd need to buy a whole new diff or just a new diff centre? it is an r31 diff. Wouldnt be too hard to find a new not welded diff?? do you think it is worth the hassle?

Posted on: 2008/9/9 3:21
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PIGDOG
Re: Locked Diff in datsun 1200
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on the road worthy note, a mate of mine actually got a VG ute road worthied with a mini spool in it....so depends how lazy the inspector is i guess
but yeah not really legal

crzy_1200_ute, i think that would have more to do with the strength of the diff rather than the fact it was welded. i had a welded h165 in the sedan before i went to the r31 diff and i never had any problems breaking axles
and its not like welding the diff is putting any more strain on it than running a spool, and lots of high performance race cars run them without breaking axles

edit, definately not worth the hassle of changing centres, just pull the whole diff out and give it to me
being an r31 diff it most likely has a mini spool in it, as they arent really easy to weld and spools are readily available
all you need to do is either swap the whole centre over to an open centre or LSD, or just take the spool out and put some spider gears back in

Posted on: 2008/9/9 3:22
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PT
Re: Locked Diff in datsun 1200
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Quote:

crzy_1200_ute wrote:
wats the point welding it? ask a guy on here called smitty what happens when u weld it lol.. i think he has brought out most of australia's spare axels LMFAO

he ended up buyin a r31 lsd coz he got sick of snappin them

diffs arent made to be welded


ok thanks

It would be fairly easy to find an lsd r31 diff anyways wouldnt it??

cheers

Posted on: 2008/9/9 3:25
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PT
Re: Locked Diff in datsun 1200
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Quote:

PIGDOG wrote:
on the road worthy note, a mate of mine actually got a VG ute road worthied with a mini spool in it....so depends how lazy the inspector is i guess
but yeah not really legal

crzy_1200_ute, i think that would have more to do with the strength of the diff rather than the fact it was welded. i had a welded h165 in the sedan before i went to the r31 diff and i never had any problems breaking axles
and its not like welding the diff is putting any more strain on it than running a spool, and lots of high performance race cars run them without breaking axles

edit, definately not worth the hassle of changing centres, just pull the whole diff out and give it to me
being an r31 diff it most likely has a mini spool in it, as they arent really easy to weld and spools are readily available
all you need to do is either swap the whole centre over to an open centre or LSD, or just take the spool out and put some spider gears back in


ok cool thanks for the info

Cheers!!

Posted on: 2008/9/9 3:27
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PIGDOG
Re: Locked Diff in datsun 1200
#10
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it wouldnt be a hard task to find an LSD to suit, it would be a hard task to find one to suit that isnt dead though
and then you would want to make sure you baffle your diff if you have a rebuilt LSD in it as BW diffs really werent designed to keep the oil in the middle of the diff

but any 28 spline BW LSD that had 3.08-4.11 gears will do the job, most commonly found in VN-VS V8s, EB 2-AU xr6 xr8, or R31 skyline silhouette

Posted on: 2008/9/9 3:29
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