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  #1  
Old 12-18-2007, 12:09 PM
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cfg7613 cfg7613 is offline
258 I6
 
Join Date: Dec 11, 2006
Location: Newport News, VA
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Almost 14 MPG - Get outta here !

Something's got to be wrong here...just had the carb rebuilt and remanufactured cylinder heads for the 88 GW with 101,000 miles about a year and 3000 miles ago...could it be possible ??!! Nahhhhh - something's got to be wrong.......
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  #2  
Old 12-18-2007, 12:15 PM
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wifes waggy (89, with a reman engine i got in a 82 parts wag) with 31's (bfg a/t) and 2.72's gets 14 pretty regularly with a q-jet. nearly 15 when it is hot outside (much less time on the choke)

peace
Dave
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  #3  
Old 12-18-2007, 12:18 PM
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HAHAHA. Good job!
That sounds like me when I get 11 mpg.
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  #4  
Old 12-18-2007, 12:22 PM
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Quite possible. I got 14.5 to 15.2 with my 87GW - 360, 210K miles, 31's, edel intake, better cam, edel headers, edel 1405 4b carb, upgraded ignition and keeping my foot off the skinny pedal. With all that aside I got 12 average.
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  #5  
Old 12-18-2007, 12:25 PM
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Thats pretty good I can only get 14-16 outa mine on the highway and thats with a heavy tail wind.
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  #6  
Old 12-18-2007, 01:07 PM
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azwagoneer80 azwagoneer80 is offline
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Location: Chandler, Arizona
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I can't get out of the 10-11 range, but mine is a Full time. It runs excellent, and the plugs almost look like it runs too lean. Maybe I should just do the cam, intake and carb swap. Everybody seems to get better mileage, as long as they stay out of the throttle.
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  #7  
Old 12-18-2007, 01:15 PM
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i average 12 but i can get 14 if i dont open up the 4 barrel. and thats with a 360/th400/QT with wide tires.
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  #8  
Old 12-18-2007, 01:45 PM
Ristow Ristow is offline
 
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14 is about average on my '83 cherokee. 32" tires.
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  #9  
Old 12-18-2007, 03:19 PM
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COLOFIREMAN COLOFIREMAN is offline
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Nahhhh you guys are not living the amercian dream uless you have a Buick 455 that gets 6 MPG , on a good day, down hill, with a tail wind!!!!!!
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  #10  
Old 12-18-2007, 03:27 PM
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CONGRATS!!! Mine couldn't hit 14 mpg even at idle with someone pulling me.
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1983 Cherokee Chief Laredo W/T 360/auto

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  #11  
Old 12-18-2007, 03:30 PM
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i always got 10mpg during city or highway, it was a joke. should be pullin a solid 14mpg with the new setup around town, i'm hoping 16 on the highway (lifted and big tires doesn't help).

Al
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  #12  
Old 12-18-2007, 04:33 PM
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waynestiles waynestiles is offline
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Just got home from a 325 mile round trip to my gunsmiths place. I-80/90 most of the way about 20 miles of 2 lane at each end both ways. holding about 70-75 mph on the Toll Rds (had to keep out of the trucker's way). I filled up before I left, when I got there, and when I got back home. just calculated the mileage @ 15.7 .
Its all stock except for the ignition improvements--87GW 360 auto. Its going in for the Edlebrock manifold and 1406 transplant, finish the desmogging and replace/renew all vacuum stuff on Thursday. I may never see that mileage again.
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  #13  
Old 12-18-2007, 07:08 PM
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Quote:
Originally Posted by azwagoneer80
Everybody seems to get better mileage, as long as they stay out of the throttle.


How do you do that?????
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  #14  
Old 12-18-2007, 07:18 PM
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Quote:
Originally Posted by nsanebiker
How do you do that?????


i need to find that out as well, how do you stay off of the skinny petal?



i finally drive my truck to school and back, im guessing that i am getting about 8-10 MPG (all highway but maybe a mile, and i have to travel about 10 mile to school, one way. ) that is with a 258, th400/QT. but i do have 33X12.50 AT,
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the new fixer upper
1977 cherokee chief
360, th400, QT
33" tires
edelbrock 600cfm

82 mustang 5.0 5 speed. ford racing intake, edelbrock, offbrand long tubes, and glass packs.

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Just explain that you are trying to do your part to stimulate the economy. Buying it is just the right thing to do.
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  #15  
Old 12-18-2007, 07:45 PM
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Nice job! For all the people that get 14-15mpg there are a **LOT** of people out there getting 12 or less...
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  #16  
Old 12-19-2007, 12:08 AM
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12.25 around town, 14.5, on the freeway/highway at 65mph, weight around 6500 (overloaded when we go camping/wheeling, you could live for a month with what the better half brings for a 3 day w/e). 360, stock exhaust, 2bbl, 3.31's and 31-10.5's. Down side is rowing the shifter for the T-18. But we are trying to push a shoebox through a hurricane

Had a 75 gm with a 4bbl 350 and a/t. 10 mpg empty and 9.5 with 2200 lbs of 10.5 foot cabover camper on it, miss thaqt thing sometimes, but not often.
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  #17  
Old 12-19-2007, 09:49 AM
motox-010 motox-010 is offline
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I spose that a mileage check is in order on mine, I havent checked since this time last year. I could do that tomorrow since I dont work.
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