So I am hearing things about engine swaps for the 90 runner I have. This old tird 3.0 is boring me. I bought this thing to tow my boat. I imagine with any swap is going to come the harness and possibble tranny swaps. But there has been talk heard of swapping the 3.o with the Supra turbo motor, as well as the 5vz-fe. Any input on the pros and cons of either choice?

 

3.4 is almost direct swap and easiest If you look into the SWAP SECTION you can find all kinds of different swaps and their pros and cons
https://www.yotatech.com/forums/f89/