Ok i would like to trade my MT rear gear with the quaife LSD in it, for the automatic rear end. My diff has 33000 miles on the gears (hooning involved) but there is only 5,000 miles on the quaife (which should have a lifetime warranty on it). I'm looking for an automatic rear end, I would prefer an aftermarket LSD unit (will accept factory vlsd unit next and then base unit last depending on offers). I figure an even trade is fair because my rear end already has both short axle flanges and the quaife (most streetable LSD) and would be perfect for the 4.1 or 3.9 swap.
Edit: Ok i cleaned this up a bit added the link to the gear pics, turns out i was hearing the humm through my aluminum bushings and diff is fine (thought it was fubar). Still looking to trade as my main reason is to get the 3.357 automatic ratio to make launching easier with my (future) gobbs and gobbs of s/c v8 goodness.
http://www.the370z.com/members/1slow...ferential.html while i was inspecting the gears i checked out the diff and it is working properly.
Also just so you now i'm not ripping you off there is a 6mt vlsd rear on ebay for 1200+, a new quaife is over 1000, and the LSD install will run you 600-1000 bones for shimming and labor.
To add 4.08 gears your looking at around 550 for the new gears from z1, plus 270 for the instal kit with all new bearings and seals, and i think it was 750 for labor.
4.08's in my diff= ~1570 buy another diff an lsd and add 4.08's = 3275ish