My Cooling Improvement Project (hopefully)

[quote="Dart67";1969982786]Bill,
...
With the IAC not functioning the car is very hard to drive due to idle problems caused by having no throttle follower.

When coming off a crusie condition on slow down or at a stop light. The throttle close to quick and the engine will die.

Herb[/quote]

I can sure sympathize with you. I paid ~$600 for a new Holley Pro-jection TBI in 1996 for my 383, thinking it would give me the driveability and fuel economy of newer cars. I found the system barely worked, due to minimal sensors. It might have been OK for drag racers, but for street driving requires constant tweaking of the mixture settings, even with O2 feedback. After that expense and effort, I couldn't go back to a carb, so have driven with it since, always with the ECU box in reach. At least F.A.S.T. is stepping up and I hear their system works great when all parts function.