Ok, first things first. Maintinencewise I use AC Delco Iridium spark plugs, AC Delco oil filter, AC Delco fuel filter, front and rear Wearever Ceramic brake pads (since my brakes are stock, and are going to stay stock), Penzoil 10w-30 oil, 87 octane gas, Firehawk wide-oval tires and you already know about the MSD wires. The tuned PCM from pcmforless.com. Getting the computer tuned made alot of difference, I highly recommend it, It adds power, and makes my auto. tranny shift more smoothly.