There is some smoke, but nothing that makes the car behind me disappear. I just assumed that it was a diesel and some smoke was ok. It doesn't smoke if I drive like a normal person.

It seems to have a reasonable amount of power, but I don't have much to compare it to, I've always been around gas powered trucks. When the rain quits from this "tropical disturbance" in the gulf I will see about tightening the clamps that I haven't already checked. Just in case, do you know where I could get that plug? Thanks for the help.
-Aaron