I had a 65 plymouth B body that I built back in 2005. It had a 11.5.1 440 with edelbrock 84 cc heads. I had a no name 8 inch converter in it. I ran out of money building the car but wanted to race. Lol so I traded some parts for the 8 inch converter. The car ran a best of 11.19 at 118 mph in the 1/4. I thought the car ran ok but to me felt like you was dragging something down the track. So after that I saved up and got a 8 inch turbo action converter. With just a converter change only the next time at the track, the 65 ran a 10.56 at 125. I couldn't beleave just a converter change made that much of a change in the car. But like whats been said a good convert isn't cheep. So i don't know for you if its something you woukd want to try right off the bat.
