Originally Posted by rhettbando

i thought it was the same engine. '00 2gjze-vvti gs300 and '04 2gjze-vvti is300.
I was told by three different people that it was a perfect fit. That to me means aligning up with the wiring. I am going to put the gs harness on and use the gs ecu. Anything else i should expect?

Sorry, i'm new engine swapping, didn't know what to think.

Thanks for the advice though.