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460 Fuel Economy

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Old 03-22-2006, 08:18 AM
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460 Fuel Economy

I recently found a 1978 Ford F250 4x4 CrewCab. It has apoximately a 4 in. lift and 35 in. tires; and sports a 460 engine mated with an automatic tranny. My question to you guys with similar specs or close to... is what kind of MPG you are getting; under all conditions. Unfortunately I do not currently know what gears are in the axle and what kind of CAM it has (towing, etc). Truck also has a matching topper, that may or may not affect fuel economy. Thanks
 
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Old 03-22-2006, 10:39 AM
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Old 03-22-2006, 10:58 AM
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"460" and "fuel economy" should not be used together in the same sentence...
 
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Old 03-22-2006, 01:46 PM
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Randy ~ about 10 / 11 miles per gallon loaded or empty with the built 460. I drive my Chevette most of the time now since gas is getting so high @ $2.43 a gallon!!.... The Chevette gets 29 - 41 mpg depending on which way the wind is blowing.....
 
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Old 03-22-2006, 07:06 PM
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[QUOTE]"460" and "fuel economy" should not be used together in the same sentence...

well unless of course you also include the word "terrible".
 
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Old 03-22-2006, 08:07 PM
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My 78 crewcab 4x4 with 4 speed manual, 460, 35 inch tires, 4.10 gears get about 7 miles to the gallon.
 
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Old 03-23-2006, 08:43 PM
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My 460/C6 used to get 8 mpg with stock tires and 3.73 rear.
 
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Old 03-23-2006, 09:34 PM
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around 8 mpg with 460 auto tranny 4.10 gear
 
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Old 03-23-2006, 10:57 PM
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I started doing these tricks on two of my vehicles so far... Data is very promising at this point, on second tank of fuel.

I am running 3 oz of acetone per 10 gallons of fuel, home-built ozone generator (cost $0), and other mods to come.

www.fueleconomytips.com

The spark plug mod is next... Looks awesome!

Mark
 
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Old 03-24-2006, 09:36 PM
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i get 10 in my truck listed in my gallery....speedo is one mph off

that auto tranny is really gonna hurt your mileage
 
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Old 03-24-2006, 11:51 PM
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77 F-250 CC 4x4, 460, C6, 4.10 gears; 8mpg unloaded, 6 loaded, 33 inch tires.
 
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Old 03-25-2006, 11:03 AM
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79 250 4x4 460 4spd 3.73 gears 600cfm carb 39.5 swampers, I average 9.75 but I drive like a Grandma,(no disrespect intended)
 




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