I love my 460-powered 78 F250 but it's truly a beast on gas and the driveability I'm getting with that 4180 carb isn't stellar either. Since I've got no fantasy about drag racing this hulk I'm thinking converting it to fuel injection might be worthwhile. But I don't want to spend $1000 on a brand new holley system. The junkyard is overflowing with old throttle body setups, I'd like to adapt one of those to my engine.

Besides the TB I know I'd need a computer to run it, an oxygen sensor, probably a new temp sensor, and a higher pressure fuel pump. But I wouldn't know how to implement something like that in a truck that wasn't designed for it. Anyone else done something similar?

 

I believe you will have to convert to the TFI EEC-IV ignition as well.
Perhaps a nice 600cfm Edelbrock carb would be cheaper and easier?

 

Was just thinking about that very thing. I can have a reman one from my local speed shop for about $260 I think. But I'm wondering, just how lean is the idle metering in an Edelbrock? Because I'm thinking the lean metering in that 4180 emissions carb is what makes it such a ******* in cold weather. My Thunderbird has a modern 4150 and it starts and goes in all weather with minimal trouble. The notion of throwing it on and forgetting about it is appealing and it's what Edelbrock carbs are largely known for but I want to make sure it's an improvement.

 

Mine does good in all weather. Just be sure to have the hot air system working on the air cleaner.