Rough Idle/Hesitation/Backfire

Originally Posted by Gary Yarbrough

Thanks for all the advise. I got plug #8 changed and I would say that the problem is about 98% cured. I can easily take off with no hesitation with either the DRM or JVD chip. I just get a little touch of hesitation if I'm rolling below 1200-1500 RPM (hard to tell exactly...at about 8 mph) and floor it. Maybe that's not a good idea anyway or maybe I needed new plugs too... Also, there is no more backfiring! Thanks again for all the help!

Take it up to 6th at at about 40 mph and mash the gas, it should pull smooth if everything is good.