i have a 93 civic cx i love it but i think i bought a lemon i want to make it a sleeper but i need help one problem is that when in fifth gear going 70 it sounds like it is going to blow the engine (some adivice on that) what are some upgrades i can use to make it faster i want to fix the engine before anything else happens next problem oil in where the spark plugs are at not normal right? what the problem if any one could help i would appericate it thanx for your time