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Paul Bell
Tinkerer
QLD
V8

Posts: 42
Reg: 08-2009

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 Sunday, November 08, 2009 - 11:39 am, by:  Paul Bell (Bello) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Just fitted my diff yesterday and went out today and put about 100ks on it, got home and got underneath to check for leaks etc and i noticed the casing is pretty warm! I can only hold my hand on it for about 3-5 seconds before it gets painful.

I did do my research and put the right oil in, is it normal for torsen diffs to get pretty hot?

cheers
Kevin Trac
TryHard
2141.sydney.nsw
JZZ30MT, JZZ31AT

Posts: 349
Reg: 10-2006

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 Sunday, November 08, 2009 - 12:30 pm, by:  Kevin Trac (Menty) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
I do know that torsen diffs run hotter than an open diff, which is why they have additional cooling fins?
Paul Bell
Tinkerer
QLD
V8

Posts: 43
Reg: 08-2009

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 Sunday, November 08, 2009 - 01:33 pm, by:  Paul Bell (Bello) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
cheers kev! been doing abit more googling and it does seem they run hot. phew was having visions of heat seized bearings and highway pileups lol
Kevin Trac
TryHard
2141.sydney.nsw
JZZ30MT, JZZ31AT

Posts: 350
Reg: 10-2006

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 Sunday, November 08, 2009 - 01:38 pm, by:  Kevin Trac (Menty) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
What oil are you using in the diff?
I myself will be fitting a JZA80 Torsen soon.

Straight swap, no hassles?
Paul Bell
Tinkerer
QLD
V8

Posts: 44
Reg: 08-2009

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 Sunday, November 08, 2009 - 02:09 pm, by:  Paul Bell (Bello) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
i used 80w-140 gl-5/gl-6

Yep its an easy swap, literally unbolt old diff bolt up new one. Only awkward thing is wrestling the new diff into postion.
You'll definately be a happy man once you've got it in though :-)
Neil Griffiths
Goo Roo
NSW
I have a Cadillac and a Supercharged Manual V8

Posts: 4863
Reg: 07-2005

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 Sunday, November 08, 2009 - 05:32 pm, by:  Neil Griffiths (Aussiesc) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Paul Bell wrote on Sunday, November 08, 2009 - 02:09 pm:

i used 80w-140 gl-5/gl-6



Run 75W/90
Scott Wilkes
Goo Roo
Tasmania
92 TT Factory Manual

Posts: 1026
Reg: 10-2008

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 Sunday, November 08, 2009 - 05:48 pm, by:  Scott Wilkes (Scottywilkes) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
hey neil, at the moment i have castrol syntrax in my diff, was recomended it by the previous owner and we had it at the workshop.

Its a fully synthetic oil, how would you rate it? Or should i dump it for something else?
James Johnson
TryHard
Auckland
UZZ31 Soarer

Posts: 202
Reg: 03-2009

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 Sunday, November 08, 2009 - 10:35 pm, by:  James Johnson (Jimbo) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Hmm just put 80w/140 in mine and it is a Torsen from a TT soarer. By the looks of things it has not had the oil replaced before. Neil would you recommend 75/90?
Neil Griffiths
Goo Roo
NSW
I have a Cadillac and a Supercharged Manual V8

Posts: 4866
Reg: 07-2005

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 Monday, November 09, 2009 - 06:15 pm, by:  Neil Griffiths (Aussiesc) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
140 is an oil for old sckool diffs.

I have run 75w/90 for many years in Torsen and Stock, Not that there is a need to be different for either, these also do Track and Drags.

75w and 80w/90 are the more common oils for diffs these days. As they are better for shear / drag / heat, which makes better fuel efficiency.

Scott & James... You both live in cold climates ( well in winter time anyways ) change when the sun dissapears.

Most diff oils these days are either part or full syn..Full Syn will help with heat dissipation.
Daniel Clarke
Goo Roo
NSW
TT 2.5L 6 cylinder

Posts: 5675
Reg: 03-2006

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 Monday, November 09, 2009 - 09:58 pm, by:  Daniel Clarke (Dieseltrain) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
IM running 75/90 in a Diff i got from Neil a couple of years ago !!!

Still runs fine . That 140 is too thick and will get too hot fellas.

Oh, Always UNDO the FILL nut before undoing the DRAIN NUT . Some guys have had the Fill nut strip and couldnt open it to fill her up , Always after they drain it !!! Not pleasant,lol .
Kevin Trac
TryHard
2141.sydney.nsw
JZZ30MT, JZZ31AT

Posts: 384
Reg: 10-2006

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 Friday, December 18, 2009 - 06:30 pm, by:  Kevin Trac (Menty) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Is it Okay to run Castrol VMX80 in the Torsen?
How many litres will I need?
Paul Bell
Tinkerer
QLD
V8

Posts: 83
Reg: 08-2009

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 Friday, December 18, 2009 - 07:25 pm, by:  Paul Bell (Bello) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
hmmm i think i'm going to go for something thinner then, i only put it in as it says on the container that its best suited for high heat and heavy load applications
Ben Lipman
Goo Roo
NSW
Soarer TT manual, plus TT track car

Posts: 1864
Reg: 04-2006

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 Saturday, December 19, 2009 - 12:48 pm, by:  Ben Lipman (Ben12a) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)
Kevin Trac wrote on Friday, December 18, 2009 - 06:30 pm:

Is it Okay to run Castrol VMX80 in the Torsen?
How many litres will I need?



I have for years. I can't remember exactly how much it was, but I had some left over from a 1L bottle, so maybe 1.5L?

I recorded all the wet capacities when I did a major service a few years back and put them on a laminated card. Unfortunately this is neatly stowed in my glovebox, and I'm nowhere near the car...

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