2012 F250 Super Duty Owners?
We're about to make a deal on a NEW 2012 F250 Super Duty. Regular cab & long bed. This one is stripped down... the only creature feature is A/C but for what it's worth has the "snowplow pkg". It'...
Forum Discussion
slarsen wrote:
Another 1000 miles on the road, and I am convinced that 89 octane gets me almost one more mpg: 10 vs 9 while towing. And by the way, 91 octane doesn't do ANY better than 89. I can't say if the higher octane will help an unloaded truck, but I would guess it will. And I expect this has no relevance for older engines, only those that can adjust timing 'on the fly' by monitoring spark knock. Try it, late model Ford HD gassers, see if you agree.
Another 10 cents per gallon is trivial if it gets another 10 percent distance from a gallon of gas.
I'll give it a try on my next trip.
