Quote:
Originally Posted by ZDan
IMO helical diffs aren't the best. They tend to be overly locked under light load, but will open up if one of the rears is sufficiently unloaded. I've found a light-preload clutch-type with ramps that progressively lock more with more applied torque to be both less intrusive on the street and to provide more consistent lockup during hard cornering over curbs at the track.
The worn T2R in my LS3 FD would go through lock/unlock/lock cycles trying to put power down at corner exits at the track, very unnerving... Replaced it with an OSGiken ramp/clutch and it was a world of difference!
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To be fair, I didn’t say they were the best. I said they were in my opinion the perfect compromise for a streetcar. No manufacturer would put a clutch type diff in a factory car because normal people would crash.