To add to what Sci has said here are a few low quality photos.
We found the final drive was 3.77(49 teeth crown wheel to 13 pinion) compare to the soarer 4.08(49 teeth crown wheel to 12 teeth pinion.) We found that each ratio crown wheel and pinion to be specific and it is not possible to swap one onto the other.
Also from the look of it, the LSD is mechanical will include photos.Does not look like the Toyota torsen. Really did not have time to look up for what brand.
Today it is hoped that the subframe can be dropped and taken to have rear diff solid bushings to be welded in. Hopefully that will minimize the wheel hop to a great extent.
JZZ30
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boost_leeroy
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Re: JZZ30
Does sound like there is a leak.
LSD has been removed due to it harshness and has been replace with an open center diff from a JZA 80 supra. In the future won't mind having a stock Torsen diff but for now the open diff will have to do. Car is now my DD therefore the ride height has been increased at the front and it has been muted which make it easier to deal with, boost is somewhere around 12 psi, without the mute it is a bit closer to 14-14.5.
LSD has been removed due to it harshness and has been replace with an open center diff from a JZA 80 supra. In the future won't mind having a stock Torsen diff but for now the open diff will have to do. Car is now my DD therefore the ride height has been increased at the front and it has been muted which make it easier to deal with, boost is somewhere around 12 psi, without the mute it is a bit closer to 14-14.5.