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Gas mileage
Right now I have a c20 with a rebuilt 350 and a 2 barrel factory carb. I pull trailers fairly regularly and was hauling two horses in a steel bodied trailer the other day and really didn't have a lot of problems. The thing pulls like a champ. However, I was running secondary roads and it did dog down in the hills. I dropped from about 60 down to about 47-48 going up a couple of hills. I know that if and when I go on the highways, there are some hills that would just cause problems. My question is going to a 4 barrel carb to increase power. I have thought about regearing the rear end but don't want to lose any low end. The truck has a four speed with a granny gear. The tag for the rear end is missing so I am not exactly sure what it has for gears. So my question is, given that I have supplied limited amount of information, how would a four barrel affect gas mileage? Right now empty I am getting around 14, sometimes 15 mpg. Hauling the trailer I got about 11. I also haul a 6x12 box trailer a lot and get about 13 mpg with that. I guess my real question is am I going to lose mileage, as I think I will, and will the additional power be worth losing mileage? Thank for any thoughts.
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