So the 350 cfm was the carb of the trip, and the 500 is the experimental one which you are attempting to make into a really good performer. All your mods and changes to it are against good milage but will make it a more drivable product AND tend to keep you out of the carb's power stage with those Bonneville gears (but tell me-was'nt the trip quit, quite, or maybe quiet as some have stated it would be).
I feel certain, now only an opinion mind you, (which should have as much worth as any one else's on this forum) that the power stage tipping in, is a major player in the real world milage game. Along with wind drag (which increases by the square as speed increases- ask the guy with the fifth wheel camper about that) they combine to provide a more formible opponent to good milage than merely rpm, Not to mention "pumping losses" (oops).
Do continue-maybe we can cast out some more demons.
