i jus recently picked up a 1990 integra with a b18a1 for 400 hundred bucks the outside has some sun spots but the motor is in perfect condition. i was wondering wat to do to the motor i wanna run boost so should i change it to ls vtec of jus build the stock block and head. i wanted to do new pistons and rods but i didnt now if i should sleeve it so if anyone can help please thanks