tec280zx Posted May 22, 2007 Share Posted May 22, 2007 I picked up an lsd for my truck and i'm wondering what type it is, clutch, ect... Heres a pic, i don't know if it'll be easy to tell. Thanks. Quote Link to comment Share on other sites More sharing options...
JMortensen Posted May 23, 2007 Share Posted May 23, 2007 That looks like a 4 pinion open carrier to me. Quote Link to comment Share on other sites More sharing options...
tec280zx Posted May 23, 2007 Author Share Posted May 23, 2007 Really? I hope not, I pulled it from a 4x4 pathfinder and it had an LSD sticker on the axle. Quote Link to comment Share on other sites More sharing options...
JMortensen Posted May 23, 2007 Share Posted May 23, 2007 I'm not entirely sure. But check this out: VLSD: CLSD: It doesn't look like either of those... It is definitely not a gear driven LSD either. There are some LSDs that look almost like open carriers, but not really in the Nissan world so far as I know. So without taking it apart, looks like a 4 pinion open to me. Quote Link to comment Share on other sites More sharing options...
tec280zx Posted May 23, 2007 Author Share Posted May 23, 2007 hmm...well both sides spin the same direction if I turn the pinion end. I'm going to the yard tomarrow, so i'll check out some other pathys with lsd and see what they look like. Quote Link to comment Share on other sites More sharing options...
rudypoochris Posted May 23, 2007 Share Posted May 23, 2007 Is that for the front axle? Doesn't really look like an R180 to me... Quote Link to comment Share on other sites More sharing options...
JMortensen Posted May 23, 2007 Share Posted May 23, 2007 hmm...well both sides spin the same direction if I turn the pinion end. I'm going to the yard tomarrow, so i'll check out some other pathys with lsd and see what they look like. They all do that, because the pinion turns the ring and there is no reason for the differential to differentiate. Spin one side shaft and see what the other one does. It's not a gear driven, so if it spins in the opposite direction with no more resistance than the gears in the carrier would give, then it has to be open. Quote Link to comment Share on other sites More sharing options...
tec280zx Posted May 23, 2007 Author Share Posted May 23, 2007 ok, so I got the axles and if I spin on side shaft, the other spins in the same direction. Quote Link to comment Share on other sites More sharing options...
bjhines Posted May 30, 2007 Share Posted May 30, 2007 UMMMM.... you must hold the pinion still while turning one side shaft. An easier way to appoach this may be to simply TRY to turn the side shafts in opposite directions... A clutch type LSD will take considerable effort to overcome the preload on the clutch disks and allow the side shafts to turn opposite each other. This is regardless of pinion rotation. If you can turn the wheels(side shafts) in the opposite directions with little effort then it is an open diff. There is always some internal drag in ANY differential. The difference is that a CLSD will require a lot(>50 ft/lbs) of muscle to turn the side shafts in the opposite directions. Quote Link to comment Share on other sites More sharing options...
LLave Posted June 4, 2007 Share Posted June 4, 2007 Looks like an open diff to me. In the first picture you can see the far side spider gear i.e. there is nothing in between the spiders. Quote Link to comment Share on other sites More sharing options...
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