Viscous or Clutch LSD
#2
Theoretical Tinkerer
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Viscous tends to be weaker, but more progressive lockup. Clutch-type is stronger and quicker lockup. FD guys use the FC turbo clutch type diff's for high power applications.
Condition may be the deciding factor of which is 'better'. Hard to tell with them off the car though.
Condition may be the deciding factor of which is 'better'. Hard to tell with them off the car though.
#4
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With the clutch type you can adjust the lock-up with more or less disks and/or with LSD additives. The downside is that it costs about $800 in parts to rebuild a LSD when the clutches wear out. The viscous LSD is not adjustable or rebuildable, but it will get the job done until it wears out.
#5
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Thanks for the replies everyone. Last count I have about 140 rx7s at my disposal so will just keep burning through them. Has anyone welded theirs? How was it? I welded the diff in my Cummins I had a while back, that was pretty fun for a 2wd truck.
Kyle
Kyle
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wait a minute... 140!?!
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#9
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The best diff is a torque sensing such as made by Quaiffe. It uses a gear system to transmit power where needed. They work very well and don't have trade off of creating understeer on turn in like a clutch unit can.
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