Loverobot Posted April 21, 2011 Share Posted April 21, 2011 Is there a way of id-ing which diff I have in my 2001 superlight ie LSD or not? Thanks Link to comment Share on other sites More sharing options...
Scoops Posted April 21, 2011 Share Posted April 21, 2011 Without watching how the wheels spin best advice I've seen is thanks to Angus here Good read if you've not been there before. Link to comment Share on other sites More sharing options...
Piers Rendell Posted April 21, 2011 Share Posted April 21, 2011 I have just had the same issue with my R300, which turned out to have an LSD. When I did my MOT last wekend, it came up on the garage computer and said not to do the rear brake test on the rolling road as the car had an LSD. Jack up the car so both rears are off the ground. Then rotate one wheel and the other wheel should follow and replicate the movement. Also as mentioned, see Angus's own web site - very interesting data on LSD. Link to comment Share on other sites More sharing options...
Loverobot Posted April 21, 2011 Author Share Posted April 21, 2011 At my MOT he didnt do the brakes for fear of stoving the sump in lol! Do I understand you mean it will turn the same on both wheels if its an LSD? What will it do if a normal diff? Scoops - very useful link and article - the 'mexican wave' bit made me laugh! Link to comment Share on other sites More sharing options...
peterg Posted April 21, 2011 Share Posted April 21, 2011 With a normal 'open' diff the wheels will turn in opposite directions and with an LSD they will turn in the same direction HOWEVER, if you have a Quaife ATB LSD diff this acts the same as an open diff in this test... or the other wheel to the one you turn may not rotate at all so you either need to pull a driveshaft and check as per Angus's photos or do a standing start and see if you can write II on the road 😬 Edited by - peterg on 21 Apr 2011 14:45:53 Link to comment Share on other sites More sharing options...
Rich N Posted April 21, 2011 Share Posted April 21, 2011 Or pull away from half on a grass verge and see if it just spins up the wheel on the grass or if you get good traction 😬 Link to comment Share on other sites More sharing options...
Loverobot Posted April 21, 2011 Author Share Posted April 21, 2011 I handily have just such a grass verge outside my drive and my wife is away so I can blame the tyre marks on the binmen! 😬 Link to comment Share on other sites More sharing options...
Loverobot Posted April 21, 2011 Author Share Posted April 21, 2011 Its a LSD Link to comment Share on other sites More sharing options...
Drifter Posted April 22, 2011 Share Posted April 22, 2011 I think an LSD was standard on the original superlight but optional on the R300? Link to comment Share on other sites More sharing options...
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