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20 mpg!

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Old Jun 20, 2012 | 12:40 AM
  #1  
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20 mpg!

Yeah....

1974 Ford F-250 Dual Cab
 
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Old Jun 20, 2012 | 12:49 AM
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I was told my truck gets 12mpg when I bought it. Nope, it's 7.9 HA!
 
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Old Jun 20, 2012 | 01:28 AM
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Atta boy! 20 mpg! Did you change your gears?
 
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Old Jun 20, 2012 | 03:07 AM
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14.9 mpg, Well we will just round that up to 20 mpg.
 
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Old Jun 20, 2012 | 06:17 AM
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---My 79 460 got ABOUT 20 mpg until i checked it close ,then it was 10 mpg--.--
 
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Old Jun 20, 2012 | 07:27 AM
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With a 300 and a 4-speed, it's not that unrealistic. I could see him scraping 20 coasting down the highway at 55 in 4th gear. He probably gets 15 to 17 in town. That's a nice truck.
 
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Old Jun 20, 2012 | 07:28 AM
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He does say it's a 6 cylinder...and 300's have been known to approach the 18-20mpg range with the right gearing and right trans. With some 2.75-3.08's and a 4spd, I bet he gets closer to 20 than you guys think. Hell, I can routinely get 14mpg's hwy out of my mildly built 400's.
 
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Old Jun 20, 2012 | 07:52 AM
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C'mon guys it's a 6 cyl Cummins, and a dang fine swap he did too!
 
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Old Jun 20, 2012 | 08:00 AM
  #9  
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Check the link Nicholas. Yes it's a nice truck. Straight too it looks like.
 
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Old Jun 20, 2012 | 08:04 AM
  #10  
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Ok, I'm retarded. Guess I was just hoping to hear 20 mpg from your cummins since I got the same one...LOL
 
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Old Jun 20, 2012 | 08:10 AM
  #11  
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Originally Posted by firemedicober
Ok, I'm retarded. Guess I was just hoping to hear 20 mpg from your cummins since I got the same one...LOL
Well I'm getting really good mileage around town. I need to check it, but I bet I'm close to 20. The hwy mpg's are crap because I'm doing 70 with 4.10's and the TC isn't efficient. Can't seem to drain the tank around town. I'll run the gps on the next tank and let you know.
 
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Old Jun 20, 2012 | 08:22 AM
  #12  
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20! lol!!

Yeah I'll be happy to get my 4.10 4 speed up to 12! :grin:
 
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Old Jun 20, 2012 | 08:23 AM
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My '77 gets 19.5-20 mpg with a 300, C4 and 2.75, or 2.90 something rear gears.
 
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Old Jun 20, 2012 | 09:17 AM
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Does it come with that little soccer ball in the bed?
 
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Old Jun 20, 2012 | 09:37 AM
  #15  
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20 mpg... still very hard to believe. Even if its got the legendary 300, its a 4 door. I can see 20 mpg in a reg cab long bed....
 
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