After 20 years sitting in a nearly finished state, I finally got around to completing and getting my 69 Charger on the road...at least it was for a little while. With running my business and life in general, I just didn’t have the mental bandwidth or time to build and install the motor and drivetrain. So I sent that out to a guy recently that worked on muscle cars on nights and weekends to finish up the last major components. I built and restored the rest of the car myself so I’m mechanically savvy and know how cars work, I just don’t have actual engine, ignition, or carburetor tuning experience. 440, 727, holly 850, MSD ignition, coil, and magnetic distributor, electric fuel pump Here is what happened. I was on my 3rd short local shakedown drive, maybe 30 miles into the trip when the motor stumbled like it was running out of gas. It then quit and I coasted to a stop. I tried to relight it, It would crank, I got plenty of fuel pressure, occasionally it seems like maybe once cylinder would light but but not enough to get the while engine to run, kinks like a very small starting stutter, but that’s it. fuel pressure yes, at least to the fuel pressure regulator where the pressure sender is. compression yes (should be good, brand new professionally built by an engine shop), so I guess that leaves spark as the questionable item. Where should I start troubleshooting? Does this seem ignition related? This is as good as a time as any for me learn how to troubleshoot engine troubles and tuning.