droppedmitsu
+1y
Not dogging on your setup one bit. They're both a custom setup/swap, either way there is custom work involved, I'd rather go with a motor that has tons of aftermarket support but its just my preference, not worried about the little bit of easy custom work to do. Only things that will not work on our trucks are pretty much down pipes, and intake and intercooler piping and such, big whoop those are easily made. I already have my 4g63t in and running so no point in me turbo'ing a stock motor, which IMO takes MORE work(I mean setting up motor, etc.. to be boosted) then swapping in an already turbo'd motor. And it(4g63t) bolts right up to any stock 5 or 4 speed KM132 from a 2.0l truck, transmissions are not a problem.
And yea I agree with sleeps that long runners are not the ONLY reason why a 4g64 has more torque. Come on that just sounds asinine, it has to do with the larger displacement mostly.
Anyways neither swap is better, it depends on your plans and also availability and what you start with also. I had a carbed engine to start with(2.0 first and now 2.6) and I wanted to go to fuel injection so I went with a new motor(4g63T) which was way easier(and CHEAPER) to get then a used 4g64. If I had a 2.4 to start with I probably would have turbo'd the stock motor like you.