Fuel Mileage
#4
'04 Heritage XLT
when I cruise down I-95 between Fort Lauderdale and Miami with no traffic I can get upwards of 16-20 I would guess. But when I drive through the city or traffic, I swear I get maybe 13ish. Does seem a little pathetic for a v6 compared to the v8 and their size/power difference.
#6
'04 Heritage XLT
it's enough to survive by for now, I'll be able to pay off my truck while only reaching around 140k miles. from that point I can start saving up for a v8 build/swap.
#7
I'm getting about 22 MPG in my 4.2 with conservative driving and 19 if I just drive normally fast. But I have factory size radials @50 psi and have recently cleaned the injectors with Seafoam. Plus new wires.
Last edited by Brakeman; 05-23-2010 at 04:05 PM.
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#10
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Join Date: Mar 2010
Location: spring valley, ca
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That doesn't sound quite right I would say... In my lifted f150 4.6 I'm running stock gears and 35s, and on the highway I get around 20, believe it or not. I drive it everyday and haven't filled up in 2 weeks. Need to tho. Depends on how you drive it. How is your air pressure in your tires? I run mine at 45psi with no harsh ride and no weird tire wear. I also run mobil 1 10w30. Looking to go royal purple in the diff once I swap gears and royal purple in the engine. Maybe you do the same...? Man that's about all I could suggest other than changing your o2 sensors if it's been awhile...