80 tercel swap

I was woundering too swap my 1-ac for an 4age or 3tc with one is posible and or easyer to drop in or an other possible motors keep in mind i want a little more power keeping it smog leagal and haveing 90- or breaking 100 horse power

the car is an 80 tercel 2 door with the 1-ac 1.5 liter 1452cc (singel over head cam) carburated pumping a massive 62 horse power so haveing 90-100 will be enough ... stating that i have put some light weight parts so far
want to make it an autocrosser