turbobusa

The shown mileage doesn't bother me, i just hope the actual mileage isin't that bad. After your mods, how was your actual mileage? I just haven't put enough miles on the truck to determine that yet.

turbobusa

How would I know if I have a vacuum leak? I don’t think I do. I have good 93 and it runs great. Have you started your install yet?

turbobusa

So we have very similar set up, except i have the stock throttle body and im running the 3.75 pulley. I hope to get as good of mileage as you.

turbobusa

That's what im gonna do but when I saw the gauge reading 12.1, it definitely caught my attention. Just wanted to know if others were seeing the same thing.

TX-Ripper

I won’t have my blower til February.

Brand

That would be nice. Pre Whipple install I am at around 15-16 MPG with 3.73 gears.

isthatahemi

Love my stock driving truck with NOS lol. 87 Octane, 20mpg

But ya, 15 miles means nothing.

Jerod

I'm not sure how the f150 handles alterations to the fueling system in terms of mpg. I'm guessing stock it knows the pulse of the injectors and calculates it that way but after changing all of that I'm not sure how the Whipple tunes takes that into consideration. I built a garden hose size return fuel system on my built/blown srt8 Jeep and the dash read 21mpg haha. Obviously wrong. Like others have said just do some number crunching and don't expect stop/go/idle driving to of gotten better