As sweet as that would be there is no way it would fit. Much too long it would either be going thru the firewall or the radiator. The 5.3 ls would be a easier and better option, the 2jz was great for its time but it isnt anything special anymore if you want Toyota power get a Lexus 1uzfe v8.
But the 5.3 is he a much easier and nearly "bolt in" swap since you have the PBA mount kit. Beyond that it has a lot more power potential and the aluminum 5.3 is considerably lighter, 2jz is a iron pig of an engine weighs about as a much a smallblock chevy, and you would need to scoot it thru the firewall to fit otherwise the weight would be 2 feet if front of the front wheels.
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Luvless
1980 Mikado-Sold.
1993 Lexus SC400 my Daily
2004 Yamaha WR250F my new love in life
2016 Toyota Camry my girls ride