After chasing my tail around with the points constantly, and having it run reasonably well for a short while just to turn into a sputtering backfiring mess, I'm looking for solutions. Does anyone have any opinions on these? https://www.speedwaymotors.com/Speedway-Motors-Chevy-216-235-261-Straight-6-HEI-Distributor,443602.html Truck is a 1961 261 C40.