Mazda Rotary Club

Cars by Model Type => 2nd generation RX-7's => Topic started by: vinnythespud on January 05, 2008, 01:24:20 PM

Title: limited slip diff
Post by: vinnythespud on January 05, 2008, 01:24:20 PM
does anyone have a turbo limited slip diff and drive shafts for sale,if you have can you let me know,thanks.
Title: limited slip diff
Post by: BenLewisMav on January 10, 2008, 11:05:47 AM
Hi I\'ve got a spare viscous LSD, not sure of the condition though, taken off a donor car.
its in Stonehouse (junction 13 off the M5)
Title: limited slip diff
Post by: antnicuk on January 10, 2008, 11:25:44 AM
not many TII diffs were lsd,  especially uk ones,  there is a misconception that they all had LSD but its so.
If you have an LSD for a TII they are worth quite a bit
Title: limited slip diff
Post by: t2rew on January 10, 2008, 10:29:52 PM
if you know a bit about mechanics you can make one from putting fd internals in the fc case. i got both diffs. yours for £200
Title: limited slip diff
Post by: vinnythespud on January 15, 2008, 09:56:50 PM
thanks for the info,i already have an fd diff,didn\'t realise the internals swapped over.i will have to crack them open and have a look.:Thumbs-up
Title: limited slip diff
Post by: doddy on January 16, 2008, 01:42:19 PM
any idea how to tell if a Turbo II has a LSD?

Put one wheel in a muddy ditch and plant it in 1st? :/
Title: limited slip diff
Post by: lil ben on January 16, 2008, 01:49:22 PM
Jack up the rear of the car and spin one wheel by hand. If it has an LSD, the other will spin in the same direction
Title: limited slip diff
Post by: Prof on January 16, 2008, 01:53:25 PM
Quote from: antnicuknot many TII diffs were lsd, especially uk ones, there is a misconception that they all had LSD but its so.
If you have an LSD for a TII they are worth quite a bit

I thought the Non turbo cars had the viscous diff, and the turbo ones had a torsen type (geared) or am I barking up the wrong tree ?
 
I\'m guessing that in a standard diff, you could rotate one rear wheel without the other moving, but with an LSD it will not allow the other wheel to remain stationary?
Title: limited slip diff
Post by: Prof on January 16, 2008, 02:07:50 PM
Just read on FC3Spro site that N/A\'s had Clutch type LSD, Turbo cars had the Viscous LSD and the FD has the Torsen type.
 
The Viscous LSD will behave like an open diff if the differential rates are slow, as the silicone oils don\'t provide the lockup until the shearing forces are high enough - so the turny wheel test will not prove the presence of a viscous diff.
Title: limited slip diff
Post by: doddy on January 16, 2008, 02:21:16 PM
maybe just trying something like this might help:
http://www.youtube.com/watch?v=nFcAO-wisg0

My worst RX7 nightmare!
Title: limited slip diff
Post by: lil ben on January 17, 2008, 12:10:39 PM
Quote from: ProfThe Viscous LSD will behave like an open diff if the differential rates are slow, as the silicone oils don\'t provide the lockup until the shearing forces are high enough - so the turny wheel test will not prove the presence of a viscous diff.
Are you sure ? I\'m just questioning it as it\'s always been the recommended test on the sx owners club for s13 diffs (VLSD).

If there\'s no resistance on the opposite wheel then it shouldn\'t need to slip......(is my thinking)
Title: limited slip diff
Post by: drutin on January 18, 2008, 11:48:41 AM
howzit :)

series 5 rx7 FC only have a viscous lsd or single spinner, the viscous lsd isnt any good.
the series 4 FC had a clutch type lsd which you could tell by jacking up or looking at the L.S.D tab on the oil filler bung

later
glen
Title: limited slip diff
Post by: t2rew on January 18, 2008, 08:44:52 PM
not in this country glen. most are just normal diffs