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Hey, I'm new (obviously) but I have a question:
33mpg in a minivan as your starting point?
Seriously?
The gubment says 23 mpg highway.
( Since I don't have 5 posts, you'll have to cut and paste to verify or take my word for it:
w w w.fueleconomy.gov/feg/bymodel/2005_Pontiac_Montana.shtml]Gas Mileage of 2005 Pontiac Montana )
Forget the airtabs, what have you done to get that van to 33mpg?
In my bone stock '08 Dodge Grand Caravan (3.8), I once got 25mpg on a tank with the cruise set to about 60 going up a relatively flat state road between Indianapolis and South Bend (SR 31) last winter. But I generally avg between 22 and 23 mpg highway (loaded for vacations with me, the wife and our 4 kids).
I'm looking to improve the mileage of the van via (low visual impact due to my wife's lack of tolerance for anything radical looking) aero mods but am looking to start with proven ones. I made an undertray for the front end of our old '99 Grand Voyager from sheet aluminum that was mildly successful. On the interstate, it made a noticeable improvement in handling (around large trucks) and might have improved highway mileage by about a half mpg, but the aluminum would make annoying noises over bumps as it resonated. I'd like to get my hands on some of the rubber side skirting that I see on semi's, but thus far they have eluded my searches.
But back to my question. What did you do to get that Montana to go 33 mpg?
Thanks!
- Dan
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