Wants to put motor in car that hasn't been done before... comes to forum of enthusiasts who have never performed swap before for advice. Complains when flamed.
Honestly, your best bet is getting the job done and then bringing the final project here. Having never pulled an engine before or doing a swap isn't going to get many people backing you.
For 4k you can get a nice SC kit which will net you roughly 300whp. You'll have the safest FI for a factory NA engine with a lovely linear power band. All that can go wrong after a good tune is a belt snapped... On top of that: do some simple weight saving mods and you'll not need more power. Hell mine weighs in at 2650 full fluids and there's a lot more I can do to drop that. With full NA bolt ons my car surprises a lot of people in the know on how "slow" these cars are.... People may laugh at your "measly 300 ponies" but when you can get the car down to a streetable 2450lb, 300 ponies is nothing to laugh at
Besides all that, I love to see things done differently. I have several ideas on engine swaps. But I wouldn't bring them here. I'd rather get it done first. They're unlikely to happen though. keeping the FA20 just makes more sense.
My $0.02 of course..