Ok so I have yet another update on my struck and Holley EFI system. Took the guy yesterday 2.5 hours to realize that the problem COULD be because my main tank has no venting from the fuel tank, so when I go into gear its putting too much torque on the ssyte, and the EFI system doesnt have enough response time. This is when its stalling out. I have my aux tank which they have also connected to the system. That happens to be vented with some contractpion he installed. Looks like a little air cleaner poping out of the tank. I am still not convinced the system is 100% accurate as it stalled 5 times before i waited for it to warm up in my garage. I am not sure what others think about the Holley but im starting to think its a total piece of shit. Everyone said go with the Hamilton and i get it, but I wanted the LCD read out so it is what it is. I understand fuel injection is a tough thing on a 50 year old vehicle but i should have no more problems. The speed shop guy also told me the truck runs way to cool for his liking. Almost 170 and said that was bad so to get a 195 Tstat. I guess I will buy that from IHAmerica and give that a shot. Who said old vehicles was fun.