looking for a 3rd seat

I think the ease with which this would be accomplished would depend on how handy you are and how easy you feel the different aspects of the work are. It is unlikely to be a straight-forward job, however, and if you want a 3rd seat you'd be better served by getting a car with one already in it.

good luck,

-tom!

Tom, I am a pretty good weekend mechanic, what I really wanted to know is if the