Quote:
Originally Posted by Matt Monson
No, other way around. The torsen and Gleason design torque biasing differentials go open at the limit. They require resistance to function and if there’s no traction at all for the slipping wheel, like on ice or if you lift a wheel, they will behave just like an open differential, offering no drive.
It’s an OEM differential from the 968. It what you got with the m220 option on those cars.
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Besides that they don't do anything on trailing throttle like the clutch types do, Whether this is important or just nice depends on the brake system specific and usage
At worst the clutch type stabilize the rear a little at best a lot helo
the asymetrics(accel/decel) are the best clutch type they can be built w/ the widest variety of specs and for the widest variety of usages
most ZFs used in 915 and early g50 are nominally 40/40 but can set to 80/80 by rearranging the disk packs
964 2wd use 40/40, 964RS & t use 20/100, 993 use 25/65 or 22/40 depending, 993RS use 40/65
generally for street use you want a larger decel # and not too large at that, the 20/100s on 964RS/t got a lot of negative feedback
a large accel # gets dicey on a totally slick surface, full ice sheet or large oil spill being good examples
the asymmetrics get their nominal specs from ramp angles unlike the earlier ones that got their names from the # of friction surfaces and preload used
964
964RS on left GT on right
993
997 GT3 50/80
