Hey guys, so I'm about ripping the last of my hair out trying to figure out what exactly is going on. Here's the scoop:

I took my car out and drove it on the highway for about an hour and had a total loss of power. Pulled over, started up and twenty minutes later, same thing, loss of power. While this is happening, mind you, I'm getting severe backfires. I get home and troubleshoot. Swap out the ignition module and install one of those orange ones. I'm wire for 5 prongs, but have used 4 prong ignition modules in the past. I also have a 4 prong ballast resistor. I took it out the other day and it ran fine. Today, I take the car out and it ran well until I decided to accelerate. I got exhaust pop on deceleration and the engine seemed to run rough (shaking a bit) when accelerating. I swapped out another ignition module, ballast resistor and pickup coil to see if it would remedy the situation. Nothing. Any thoughts?