4.3 V6 too small for good mpg?

[slotard]

Originally Posted by rayfinseats

Well, my 383 gets WAY better milage than my 327 did. 30-50% increase.

Interesting. Is the 383 a lot milder or something? Given similar engine setup and driving style I'd expect the short stroke to get better mileage, and that's even more true if your gearing is the same (as the 327 is happier at higher rpm than the 383).