easiest to swap in a turbo engine and make a couple mods while you are there, since the forged pistons are already in the turbo block... I did just that, the only physical mod you have to do to fit the turbo engine is modify the heater blower box and make a new exhaust setup. I modified things a bit and mounted the crank sensor from the old engine onto the new block so I could keep DIS which I prefer over the old TFI that's known to fail at bad times, relatively simple mod really. then there's the wiring modification to add in the VAM and boost controller (if you want to use the stock unit, works fine), use the stock wiring harness and modify where needed, keep the stock throttle body so it'll connect right up, also grab the stock IAC as I believe the newer ones have the diode built in while the old ones have the diode in the harness.
