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How many miles to the gallon?

Started by paul1966, January 23, 2006, 10:04:40 AM

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paul1966

I am just curious how many miles to the gallon everyone gets here.  I have a 66 charger with 383, and I am getting about 3.8 miles to the gallon.  Is that about right, or is there something to I should be doing to get better milage?

Thanks
   Paul

RD

umm... that is terrible, are you sure you are doing your math right?  I have a 400/4bbl (600cfm) and a .484 cam and I get 11-12 mpg in my ramcharger (4280 lbs).
67 Plymouth Barracuda, 69 Plymouth Barracuda, 73 Charger SE, 75 D100, 80 Sno-Commander

andy74

something is wrong-i get about 12,with a heavy foot and a 440,in a 72 se,id check your calculations,and make sure

67_Dodge_Charger

I think your running tooooo rich.   I would suggest you have a fuel truck follow you.

:icon_smile_tongue:

-Robert

GoodysGotaCUDA

I got about 13mpg with the 318 and 2.76s, and wit the 3.91s, im not sure i wanna know lol

ChargerRob

I'm averaging 10 mpg with a 440, 4bbl and Auto.  :-\
Mighty Mean Mexican Mopar

Old Moparz

The '69 383-4V Charger I had years ago managed 14 to 16 highway, even with a heavy foot on the gas. Is your's stock? You don't drive it with the accelerator all the way down & use the brakes to adjust your speed, do you?  :D  Sounds like either your math is off, or there's a problem with the fuel system/carb somewhere.

Also, I was thinking it could be even something as simple as a fuel leak. I once had a gas tank that leaked if I filled it more than halfway. MPG was horrible until the gas level was below the leak.
               Bob               



              Going Nowhere In A Hurry

Just 6T9 CHGR

On the way down to Carlisle, PA last year I averaged almost 15mpg with my 440...on the way back up the hills it was about 10 :)
Chris' '69 Charger R/T


4402tuff4u

Paul1966, it sounds like someone is taking your Charger for a "ride" when you are not around.  :icon_smile_big:
Check your computations again and check the tank for leaks. From literature I have on Chargers, a stock 1966, you should be around 13 - 14 mpg.
"Mother should I trust the government?........... Pink Floyd "Mother"

NHCharger

71 Charger, 383, 4bbl., headers, auto, 2.92 open rear, heavy foot= 12-14 MPG.
72 Charger- Base Model
68 Charger-R/T Clone
69 Charger Daytona clone
79 Lil Red Express - future money pit
88 Ramcharger 4x4- current money pit
55 Dodge Royal 2 door - wife's money pit
2014 RAM 2500HD Diesel

6pkrunner

Charger 440 auto with 3.55 is giving 11-13 most days. Even the Runner with 496/6bbl and 3.91's does way better than 3.8.

General Ryan


genlee1970

With my '70 Charger, '68 stock 383 Magnum and 323's I get around 14 mpg, and have got a best of 16 highway, going the speed limit.   

Jon Smith

my 493 stroker with 3.91s gets 10mpg, if your getting 3.8 something is seriously wrong, you havent got a leaky tank have you?

694spdRT

Any chance your odometer is way off because 3.8mpg is just horrible.
1968 Charger 383 auto
1969 Charger R/T 440 4 speed
1970 Charger 500 440 auto
1972 Challenger 318
1976 W200 Club Cab 4x4 400 auto 
1978 Ramcharger 360 auto
2001 Durango SLT 4.7L (daily driver)
2005 Ram 2500 4x4 Big Horn Cummins Diesel 6 speed
2005 Jeep Grand Cherokee Limited 5.7 Hemi

chrisII

does it still have the stock points plugs and wires??, timing retarded with the stock plugged air filter and a carb thats never ben rebuilt? i would suspect that if you really are getting 4mpg that this car runs verry poorly or you never let the gas pedal off the floor.

69_500

Wow and I was disapointed in my car getting 15 mpg last year on the way home from the Monster Mopar Weekend in st. Louis. I had averaged 19.5 mpg on the way to the Mopar Nationals last year.

694spdRT

Quote from: 69_500 on January 23, 2006, 05:47:07 PM
Wow and I was disapointed in my car getting 15 mpg last year on the way home from the Monster Mopar Weekend in st. Louis. I had averaged 19.5 mpg on the way to the Mopar Nationals last year.

Yeah but, you have one of them aerodynamic cars.  ;)
1968 Charger 383 auto
1969 Charger R/T 440 4 speed
1970 Charger 500 440 auto
1972 Challenger 318
1976 W200 Club Cab 4x4 400 auto 
1978 Ramcharger 360 auto
2001 Durango SLT 4.7L (daily driver)
2005 Ram 2500 4x4 Big Horn Cummins Diesel 6 speed
2005 Jeep Grand Cherokee Limited 5.7 Hemi

Afflyer

I consistently average 12 MPG with my Charger's 440 4bbl.

I may need to put a charge on the battery though, to get her started after I get back from the war in April!

Bradley
Retired USAF C-130H3, C-130E, MC-130E, MC-130W Flight Engineer

1969 Charger 440/4bbl "Hemi Orange Mistress"
2009 Hemi Ram 1500 Sport Special Crew Cab "Black Betty"
2011 BMW X5 3.5i "Heidi"

Paul G

You got something wrong going on. Is your speedometer correct? If the gears and tires are not set correctly for your speedo it will be too far off to really calc. mileage accurately. Get on a highway that has mile markers. Say at mile marker 10 for instance your odometer is at 5 tenths, at mile marker 11 your odometer should be back to the 5 tenths. If it's not your odometer is not accurate.

Mileage for our cars should be around 10 MPG give or take a little. I have never calculated mine. Don't want to know.     :rotz:
1972 Charger Topper Special, 360ci, 46RH OD trans, 8 3/4 sure grip with 3.91 gear, 14.93@92 mph.
1973 Charger Rallye, 4 speed, muscle rat. Whatever engine right now?

Mopars Unlimited of Arizona

http://www.moparsaz.com/#

Ghoste

I've never really checked but my 67 with a 383 and 4:10's, I can tell you DOES get better than that!

69charger2002

you should get over 10 mpg even with a heavy foot. my 440 gets 9-10 even with my foot in it. either your speedo is off or you are miscalculating somehow
trav
i live in CHARGERLAND.. visitors welcome. 166 total, 7 still around      

http://charger01foster.tripod.com/

Rolling_Thunder

yeah - 3.8 is horrible...     igot 23mpg before with my old 318 & 2.76 set up...       Maybe get that with the BB 5-speed...    if i ever get it running
1968 Dodge Charger - 6.1L Hemi / 6-speed / 3.55 Sure Grip

2013 Dodge Challenger R/T - 5.7L Hemi / 6-speed / 3.73 Limited Slip

1964 Dodge Polara 500 - 440 / 4-speed / 3.91 Sure Grip

1973 Dodge Challenger Rallye - 340 / A-518 / 3.23 Sure Grip

Dodge-Charger

My 74 International 1ton dullie w/ 345BB and granny gears get better than that. Does it smoke , is your choke stuck on ? You got kids in the area with no job but allways running up and down the road ?

janimm

Average of 10 mpg with 493 stroker and 3.55 gears.