Only 200 miles on a full tank?

22Stang · Nov 29, 2004

Hey guys i need some help, I only get around 200-210 miles on a full tank of gas. I calculated it out and only get around 17mpg on my basically stock '92 LX 5.0. why is this? I have a new computer in, the timing is set to stock*, I have replaced almost all the sensors and have done a full tune-up. I drive mainly highway miles. On my previous mustang i got around 20+ miles per gallon on a stock motor with 3.73's. The guy i bought this mustang from just put a rebuild on the motor and said it was basically stock build up. Could it be the injectors? Any info would be helpful, sorry for the long post.

HISSIN50 · Nov 29, 2004

how are your O2's? have you pulled codes for fun?
good luck.

93tealstang · Nov 29, 2004

Don't worry, I get the same amount of miles out of my car on a full tank. Same as you, mainly stock and new tune-up. I've never gotten much better mpg with my car so it just seems normal to me to get crappy gas milege all the time. I can be a real lightfoot and still get the same amount of miles to a tank. Some cars just do better than other I guess.

yellowstang1994 · Nov 30, 2004

And I consider you guys the lucky ones. My all time best was like 15.6, right now i'm getting 12 on a good day.

HISSIN50 · Nov 30, 2004

i get 15 in town. i would have expected highway miles (esp if using CC) to be better though.

wyominghotwheel · Nov 30, 2004

i would think that lucky too, i am only getting about 6mpg............hotwheels of turborides

Brads Coupe · Nov 30, 2004

I'm down to about 93miles a tank around the city.

HISSIN50 · Nov 30, 2004

you turbo guys dont count - not really a fair comparison.

PNY PWR · Nov 30, 2004

I'm getting 200 miles to a tank too.

Darkrider · Nov 30, 2004

im getting about 225 KILOMETERS to a tank

slo65 · Nov 30, 2004

when i had my speedo installed with the stock 2.73's the car got like 160 to the tank bone stock pretty much, i havent put the speedo in sine the gears/tune up but hopefully it'll change for the better

Blakthorn · Nov 30, 2004

more hp more gas more $$ =(

Nick12269 · Nov 30, 2004

i only get about 175.. if that to a full tank and mycar has only a few mods

BelueLX · Nov 30, 2004

i get 280 usually then im sol if i cant find a station. all stock, 2.73, T5

1986LX2002 · Nov 30, 2004

best i've ever gotten was 320miles and had exactly one gallon of gas left. Now I cant even break 210 to a tank. All stock 5.0 with 2:73's too. Assuming a need a tune up soon.

PonyBoy90 · Nov 30, 2004

Highway kilometres, I'm getting 400km a tank full

In miles I figure probably around 200-225? I know that due to the fluctuating value on Canadian exchange is increasing against that of the US, so eventually our km/gallon will equal that of the US m/pgallon

93 teal terror · Nov 30, 2004

I can easily get 320-330 to a full tank with a mix of city/highway driving

SilverFox90 · Nov 30, 2004

i only get about 200-210 per tank in mixed driving.....i dont see how u guys can get 300miles per tank.....

Stang8URMPRT · Nov 30, 2004

You guys and your 200+ miles to a tank. lol I get anywhere from 80-120 miles to a tank. Good ol' carb. lol I don't mind though. You wanna go fast, you're gunna pay.

crazypete · Nov 30, 2004

Odd, I was able to eek out 25 mpg just barely, averaging 23 mpg highway with 3.73's and a carb.

A lot of people drive their cars wrong and as a result, think they are being real easy on their cars and always complain about wearing out parts and abysmal gas milage. Its kinda hard to explain but if you hear the engine groaning because you are in 4rth at 1500 rpms and trying to go up a hill, then you are really straining your entire powertrian and burning more gas to do less than if you were spinning the motor at 2k in the lower gear with much less load doing the same thing.

Do this: drop a gear, stabalize your speed to be the same and notice that on average, the gas pedal is not pushed down as far if you drop a gear in these situations. Of course, this only applies to a very narrow band of street driving between 1500-2300 rpms but running the motor at a higher rpm (but still driving calm, not higher rpm because your racing people =) ) results in better gas milage. Let the engine's torque push the car around.

Also, the cars seem to get much better milage at higher speeds. To a 5.0, 65 and 75 doesnt make much difference, maybe 2-300 rpm in 5th but you get much farther on that tiny amount of extra gas you burn.

I also noticed I get worse milage using high octane gas than low octane gas.

if all this still fails:

Reduce weight, pullies, replace ignition tune up items like cap/rotor and finally reduce some more weight. Get some 16 inch tires. These will speed you up for mostly the same effort as the 15 inchers (probably need rims to match for these). Um, reduce some weight too!

Have fun!

BTW 200 miles to the tank isnt THAT bad.

Only 200 miles on a full tank?

22Stang

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HISSIN50

"How long does it take to get help in here?

93tealstang

yellowstang1994

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HISSIN50

"How long does it take to get help in here?

wyominghotwheel

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Brads Coupe

Sweeeeet!!!

HISSIN50

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PNY PWR

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Darkrider

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slo65

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Blakthorn

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Nick12269

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BelueLX

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crazypete

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