R154 would easily cope with a 1UZ, as would a W58 unless you have a particularly fierce driving style.
You could probably buy 2 used R154s for the price of a PPG gearset?
W58 stands up to 1JZGTE abuse - requires 2JZ-inspired abuse to kill these - what kind of mods were you going to do to the engine and what torque are you aiming for?
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