I'm driving across the country starting thursday morning and i'm wondering what speed i should set the cruise control too. What do you guys think? 70? 75? 80? What will get me the best mileage?

 

i get the best in mine around 45-50.

 

well i noticed the harder and faster i drive my car the better gas milage i get why i have no idea its worse when i try to take it easy

 

I noticed that with Stage II.

 

Yeah i have the stage 2 that **** is weird so i drive it hard to get good gas milage weird ****

 

it's messed up like that...i don't think the guage is very correct with the stg 2. i've noticed the same thing.


i've gotten in the upper 70mpg when resetting the guage and coasting down long hills.

 

well i put it at cruise on the highway at i BELIEVE 75mph...

it was going back and forth from 30.x MPG to 31.x MPG with mods below

 

As an experiment, set the cruise at 50 or 55 like Joeworkstoohard mentioned and reset the MPG meter. You'll probably get like 45 MPG. Unfortunately it'll take forever to get anyplace and you'll burn more gas due to the longer travel time.

 

set crusie at 67 and i got 37.1mpg all's i have is the air box mod

 

i get around 31 to 32.5 driving 80 mph on the interstate....................

 

yeah I get about 31 or 32 at 75-80 but its better at 55 MPH.... Like 40 mpg. too bad I cant drive that slow.

 

I read in an article several years back that the math works out to somewhere around 70MPH.

After that you are burning more gas than you are saving time b/c your car is having to work the engine harder to overcome drag.

Cruise control or keeping a steady foot on the gas can help as well... speeding up and slowing down wastes fuel.

Oh... and mythbusters recently proved that "drafting" behind a semi-truck at a distance of say 20-30 feet can increase your gas mileage by up to 40%. Not very safe... but proven to work.

 

Thanks guys. Going to try 65-70. It may be slow but it'll save me gas.

 

for best mileage strictly, DON'T use your cruise! how's that!

i get my best mileage, doubled with a speed tht i'm actually willing to drive between 70 and 75. i can get about 40 mpg on the highway giong between 70 and 75 just doing a few small things like let off the gas going down a hill, and accelerate slowly back up the hill. cruise control seems like it's a great idea for gas, but it's really not.

 

Ditto!

 

i get about 30-33 with the 60s and 2.8 and that is at like 70-80mph.

 

i was driving to work one day absolutely babying the gas pedal and cruising at 45 and I got 48.2 lol. Once I started driving normally though it went back down to 28 city/highway mix.

 

55 is traditionally were you hit your peak gas mileage effiecency

 

thats how mine is - it goes down a lot by 70.

 

you dont even have to be behid a semi. black06ss and myself always go the track together (like a 2 hour drive) and i always lead. he generally is right on my bumper and gets 3-4 mpg more than i do