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Old 11-02-2010, 07:34 PM   #2
72freak
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Join Date: May 2005
Location: Marietta, Georgia
Posts: 4,321
Re: %#$@%$@ whats up with my mileage?

Is it an automatic?

V-6 automatic is the WORST set up ever for fuel economy


Quote:
Originally Posted by 292farmer View Post
ok so i recently bought for 135$ a 1989 dodge dakota 3.9Lv6 its a reg. cab 8ft bed 2wd
i believe has either std 3.21 or opt 3.55 gear has 23/75r15 and gets the same mpg as my 72 c25 292I6/4spd/with 5.13s! 14mpg.......i'd expect at least 17-18mpg
i did a tune up, changed tranny fluid, checked brakes for dragging, but cant break into the 15s.. what is wrong?! i bought this p/u for a fuel efficient DD so i can work on my 72 GMC truck.
the only thing thats maybe wrong is the smog pump has no belt on it(didnt think it'd matter)
are their taller tires i can swap on? any ideas or am i gonna have to get rid of this thing? thanks everyone sorry for such a long post/rant
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2004 Chevrolet Suburban C1500
2001 Chevrolet 2500HD Crew 6.0
1999 Harley Davidson Electra Glide
1972 Chevrolet C-20 Custom Camper "Dump Truck"
1972 Chevrolet C-20 Suburban "Big Green"
1969 Chevrolet C-50 Wedge Hauler "Leonidis"
1966 C-10 2x4 short fleet 327 4 speed "Race Truck"
1952 Plymouth Cranbrook "Rican" (my grandfathers)
1931 Ford Model A Coupe "Black Beauty"
1930 Ford Model A truck "Club Cab" 4x4


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