For real dog. This is as a such a common Q. BTW sounds like me about 4 weeks ago. lol. Now I am just ENGINE only. Fuck all that flushy shit. It nothing with out a good power and if you are going for the power, you ain't gonna have much money left bro.
For fast boost in power look in to a swap for 4EFTE. I am still doing my endless, ENDLESS researches and soon I will have 4EFTE.
http://board.tercelonline.com/viewthread.php?tid=25677 for body kits and idea for ripping of hondas kits look in my topic. #7 is not a Tercel. But people say it will fit with slight mods.
The rest of your Q, just read this and tercelonline formus for a few days, you'll become an expert in no time.