Before you do anything, buy yourself one of these booksl

http://www.summitracing.com/parts/mtf-bfb?seid=srese1&gclid=CKzemrnTt8kCFYOBaQod2PsMaA

It was written around the time your vehicle was built and it is written for beginners.

You are very lucky because it is actually a very easy dent to bump out because it is in an easy spot to get to and nobody has screwed it up with trying to hammer it out. But it will take patience. A port o power is a handy tool to have, but don't even think about using it on a dent like this.