[twobjshelbys]

From the notes above it sounds like you've got the 8-stack that may or may not have issues but that the ECU is problematic and you'd want to buy a different one. That said, the cost of the ECU and trying to make it fit and work would likely exceed a brand new unit from one of the current offerings that have support.

Before that, you ought to justify the cost of a EFI system and what it gets you over a set of well tuned carbs. The answer is: For the typical owner the answer is: less money in your pocket book. Under your conditions you don't need the benefits that EFI brings - the primary one being self-adjusting fuel mix for frequent and regular driving with large changes in altitude. Some additional benefits if you track your car. Unless you have those conditions EFI is a good way to spend $3000 for really no gain in how the car operates over the carbs you already have.