first off dont flame me, i searched didnt find jack, lol

i have a 90 LS and i can get new prelude calipers for nothing, now i dont want to drill stock prelude rotors so i was wondering if i could just get bigger rotors to match the stock size of the prelude rotors, and if so how big are the stock prelude rotors also i dont have abs can u use the calipers with no abs? i donno nothing about brakes please help!!!