[Formulajones]

You can tune a lot of that out and with the EFI and timing control it's much easier to get it there.

You'll likely need more timing than you have in the light load cells in the rpm range you want to cruise at. A little extra fuel in that area as well. Will take some time to find what works best for that particular engine.

For example, light load at 1700 rpm might be something like 40-45 KPA at cruise. That area may need as much as 45-48 degrees or so. Think of it as vacuum advance added in that area and it tapers off as KPA increases (more throttle input, vacuum drops) This helps smooth the engine/cam, makes more vacuum at cruise and tends to be happier at the lower rpm cruise areas.

Fuel comes into play a bit as well but I like to start with timing first. With some work, you can have a fast car with quite a bit of cam in it and make it very docile to drive on the street everywhere all the time.