bro,any gear oil will do as long as it compatible with lsd.redline,kaaz,motul or
even the cheaper version like nasa n castrol for lsd gear box.u need around 3.5liter
if i'm not mistaken.
I bet y'all know the MUT, a bulky hand device that so-called tuners connected via a connector to ECU and was used to 'tune' engines (with stock standard ECUs, especially local cars).