Mpg ?
 

...or is-it gallons-per-MILE ?

whatchagot ? :evilb:

I'm miles per gallon, but plenty of guys here that are gallons per mile....

examples please ?? :evilb:

and how about Big Thunder ? ...I talked to Bob Morgan down in KW some years ago (nice guy) ...and I meant to ask him that Q.

Any ideas ?

There is a ton of info on this site already that people have already posted. There is a search function. If you have specific questions, then post them. What you are asking is so general, that there is no good answer.

I'm getting about 1 if I take it easy.:crazy:

Since we did this last week, it's fresh in my mind:
3500rpms = 50mph cruise = 1.67 MPG = 0.60GPM

:D

Running hard 10% of the boats total horespower per hr is a good estimate.