I would agree. maybe a little better, but not much. these trucks are heavy, have the aerodynamics of a brick, and the extra weight of the transfer case, front driveshaft etc.
A clay or concrete brick? I'd say the aerodynamic efficiency of a Bump is comparable to a house.
4x for around 10 mpg. A hair more if ya got a really light right foot and a 2bbl carb. But these are Man-trucks so you'll never want to shave your chest, watch Glee, or hold your girlie's purse while she shops.. unless she tells you to!
header's and exhaust can help a little, but not a huge amount. i have flowtech headers, dual 2.5" running to separate flowmaster 40 series and 2.5" running to the back. I get about 8 mpg at best. these curvy, narrow roads and speed limits of 55 are what kill my gas mileage. oh yeah and my motor is also a 390
If you believe in Global Warming, you're in the wrong forum.
Using my accurate electronic speedometer got 14.2 over a 500 mile run, hills & flat roads
Speeds was 50-60 most the way, did not push it. I have 33" tires 5spd od tachs 1900 rpm at 60mph, In 4th gear tachs 2600 at 60 . shorty Headers with 2.5 pipe & 09 GT mustang mufflers 600 cfm Holley #68 jets. Most carbs can be jet-ed down if your not going to be doing towing or heavy hauling. As these trucks were jetted for all types of driving in all parts of the country..
1971 F250 4x4 Nv4500-5spd O/D 417cid owned since
1978..Ha who cares what you don't have any more.
Vietnam tour of duty 68-69 15 mo.
Driver of the Iron Butterfly Gun truck http://www.youtube.com/watch?v=5H7U71KZEJw
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