Simple Spark Plug Question

Gaping the plugs is seting the electrode gap to a certen ammount, measured in thousands, the correct gap (36 thou? something like that) can be found in a chiltons manual as well as needing to change plugs every year, not 10! New wires should help performance a little too. I stick with autolite b/c they make a special shorty plug for my shorty headers. And the water coming out of the tail pipe is normal, a little water is a sign of good combustion if im not misteaken, and most cars do drip a little. Un less its fuel, then your AF ratio is a little off. (rich)