surfiemullet Posted September 9, 2003 Share Posted September 9, 2003 I was just wondering which r31's came out with the 4.11 diff gears and which ones came with lsd. thanks Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/ Share on other sites More sharing options...
Parag0n Posted September 9, 2003 Share Posted September 9, 2003 Im pretty sure of this now. 3.9 is standard for Oz built R31 Skyline with auto trans 3.7 gears were used in R31 Skylines with manual trans 4.1 gears were used in R31 Pintara's Dont know about lsd Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-522092 Share on other sites More sharing options...
Parag0n Posted September 9, 2003 Share Posted September 9, 2003 If anyone can confirm this it would be good, I remember hearing this but cant be too sure. Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-522096 Share on other sites More sharing options...
slow_r31 Posted September 9, 2003 Share Posted September 9, 2003 yeh thats right the silhouttes and gts I/II's had LSD centres Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-522223 Share on other sites More sharing options...
rb20-calais Posted September 9, 2003 Share Posted September 9, 2003 silhouettes are 4.11 as well. Evan Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-522232 Share on other sites More sharing options...
slow_r31 Posted September 9, 2003 Share Posted September 9, 2003 since when?? im pretty sure its only the pintara's with the 4.11 centre Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-522380 Share on other sites More sharing options...
Guest outlawskyline Posted September 9, 2003 Share Posted September 9, 2003 I think the sillouhettes are 4.11 and LSD Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-522418 Share on other sites More sharing options...
R31Nismoid Posted September 10, 2003 Share Posted September 10, 2003 IMPORT R31's with the R200 ALL LSD if they came out of turbo cars. 4.11 in the manual and i think 4.3 in the auto. Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-522486 Share on other sites More sharing options...
Deano Posted September 10, 2003 Share Posted September 10, 2003 Parag0n is right with the diff ratios of the oz built R31's but LSD's only came out in silhouettes. The normal silhouettes (not the GTS's) came out with 3.9 LSD's with auto trans and 3.7 LSD's with manual trans. GTS1's were all manual and came with 3.7 LSD's while GTS2's came with 3.9 LSD's regardless of whether they are auto or manual. Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-522547 Share on other sites More sharing options...
rsx84 Posted September 10, 2003 Share Posted September 10, 2003 i have a r31 which i can get both wheels spinning (linelock) but it doesn't have lsd this i carn't work out, i,ve been told its a common thing with the oz 31s', also does any one know where to get my hands on a r200 diff. Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-523024 Share on other sites More sharing options...
R31Nismoid Posted September 10, 2003 Share Posted September 10, 2003 you cant put the R200 in an Oz skyline. The Imports are IRS, Oz spec are live Axle. Some here can say you can 'convert' it but realistically for cost, you'd be far better off buying an import. The R200 is tough as nails though. I have never heard of one dying and i treat mine very roughly Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-523101 Share on other sites More sharing options...
Bluprint Posted September 10, 2003 Share Posted September 10, 2003 For Australian R31s: Skyline Auto = 3.889:1 Skyline Manual = 3.70:1 Pintara Auto & Manual = 4.11:1 Silhouette GTS1 Manual Only = 3.70:1 Silhouette GTS2 Auto & Manual = 3.889:1 Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-523230 Share on other sites More sharing options...
SKY031 Posted September 10, 2003 Share Posted September 10, 2003 Originally posted by Bluprint For Australian R31s: Skyline Auto = 3.889:1 Skyline Manual = 3.70:1 Pintara Auto & Manual = 4.11:1 Silhouette GTS1 Manual Only = 3.70:1 Silhouette GTS2 Auto & Manual = 3.889:1 close..... but one too many 8's Skyline Auto = 3.89:1 Skyline Manual = 3.70:1 Pintara Auto & Manual = 4.11:1 Silhouette GTS1 Manual Only = 3.70:1 Silhouette GTS2 Auto & Manual = 3.89:1 Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-523367 Share on other sites More sharing options...
rsx84 Posted September 11, 2003 Share Posted September 11, 2003 the r200 diff i'm looking for is not for the r31 Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-524323 Share on other sites More sharing options...
Zensoku Posted September 11, 2003 Share Posted September 11, 2003 close..... but one too many 8's Skyline Auto = 3.89:1 Skyline Manual = 3.70:1 Pintara Auto & Manual = 4.11:1 Silhouette GTS1 Manual Only = 3.70:1 Silhouette GTS2 Auto & Manual = 3.89:1 Straight out of my service manual: Australian Nissan Skyline/Pintara 1986-1990 Manual 3.7:1 Auto 3.889:1 Pintara Auto: 4.1:1 (to help the lazy CA20 motor rev into it's torque range) This is the Borg Warner BTR78 series 2 pinion (weak!) diff. This diff was also found in: XT-EA Ford Falcon Late VK-VR Commodore Not sure with the 25 spline LSD's or 28 spline 4 pinion LSD's. Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-524509 Share on other sites More sharing options...
surfiemullet Posted September 11, 2003 Author Share Posted September 11, 2003 yep the same diff was used in the vl commodore. a similar one is in the vn-vr except its wider. I am looking at fitting a r31 diff on my vn commodore but i was hoping to pic up an lsd one cheap. Or i could just remove the lsd and gears to keep cost down. Has anyone got an lsd one from the wreckers or any prices? thanks for the replys. Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-525097 Share on other sites More sharing options...
slow_r31 Posted September 11, 2003 Share Posted September 11, 2003 Originally posted by surfiemullet yep the same diff was used in the vl commodore. a similar one is in the vn-vr except its wider. I am looking at fitting a r31 diff on my vn commodore but i was hoping to pic up an lsd one cheap. Or i could just remove the lsd and gears to keep cost down. Has anyone got an lsd one from the wreckers or any prices? thanks for the replys. good luck getting one that doesn't whine like crazy, or isnt stuffed, unfortunatly seems to be pretty common Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-525171 Share on other sites More sharing options...
slip Posted September 11, 2003 Share Posted September 11, 2003 karina - you are wrong! 3.889 in the manual. Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-525190 Share on other sites More sharing options...
davehoos Posted September 11, 2003 Share Posted September 11, 2003 it is 3.889 divide the 2 numbers and it goes on a bit. if you round that off it 3.89 again thats 3.9 again thats 4. most use the 3.89 so no to confuse with holden or banjo 3.9. to use in a holden,count the axle splines first. they are all different. r31 skylines use 4 pinion diffs.import and local. Sohc imports have 4.11 2 pinion diffs suprise so does a pintara. not all turbos have lsd.its a factory option. all silo have lsd. import 4 cy use a banjo diff the same as 5 link laurels. Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-525275 Share on other sites More sharing options...
SKY031 Posted September 12, 2003 Share Posted September 12, 2003 Originally posted by slip karina - you are wrong! 3.889 in the manual. bah im not going digging for it..... But i'll tell dave. Link to comment https://www.sau.com.au/forums/topic/24485-r31-diff/#findComment-526334 Share on other sites More sharing options...
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