Miles per gallon
Thread Starter
Drifting
Joined: Jul 2011
Posts: 1,509
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From: Bay Point California
Miles per gallon
Just got back from filling the Vette up with gas. Did some calculations and my numbers are 15 mpg over ten tank fulls. The car is stock. Runs great. We're not speed demons. I read about people getting high 20's ,low 30's all the time in The Forum. My wife says they must be the ones who need the skip shift bypass!
Pro
Joined: May 2011
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From: Boiling Springs Pennsylvania
Oldtimer
Just got back from filling the Vette up with gas. Did some calculations and my numbers are 15 mpg over ten tank fulls. The car is stock. Runs great. We're not speed demons. I read about people getting high 20's ,low 30's all the time in The Forum. My wife says they must be the ones who need the skip shift bypass!
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What is your percentage of highway vs. city driving? Much stop and go traffic conditions? If all city driving, 15 mpg may not be too far off the mark.
Team Owner
Joined: Sep 2003
Posts: 43,084
Likes: 33
From: Raleigh / Rolesville NC
Just got back from filling the Vette up with gas. Did some calculations and my numbers are 15 mpg over ten tank fulls. The car is stock. Runs great. We're not speed demons. I read about people getting high 20's ,low 30's all the time in The Forum. My wife says they must be the ones who need the skip shift bypass!
Le Mans Master
Joined: Feb 2003
Posts: 6,683
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From: Memphis Tennessee
So let me get this straight. You get 150 miles out of a tank of fuel? I find that pretty difficult to believe if you in fact are not "having fun" each time you go out.
I just did a 20 mile funeral procession today in no higher gear than 3rd, and I got 18mpg during that stint.
Check your mileage again and be certain of your math. If you are getting 15mpg, and a lot of your driving is on the highway, then you are getting about 1/2 of what most get.
I just did a 20 mile funeral procession today in no higher gear than 3rd, and I got 18mpg during that stint.
Check your mileage again and be certain of your math. If you are getting 15mpg, and a lot of your driving is on the highway, then you are getting about 1/2 of what most get.
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Drifting
Joined: Sep 2007
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From: Negley Ohio
I used to have a pic of it, But I have a 2001 coupe 6-speed...American racing long tube headers (catted),,breathless performance cold air intake,,Ported throttle body,,,corsa indys...Drove out to corvette carlisle two years ago,my average MPG was 21 going there.(249 miles)..Got the car tuned by East coast supercharger and on the way home, My average MPG was 29.6 crusing about 75 MPH......My 2004 has american racing LT headers and england green mayhem ll cam. My average is 26 MPG
Drifting
Joined: Feb 2006
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From: Outer banks North Carolina
My "99" with the 3.15 gear gets 30-31 mpg on the highway and around 24-25 combined so i think you've either got a very heavy foot or a real problem!
I've hade 3 c-5s in a row and got excellent mpg with all three. And yes, they were all modded to some extent.
I've hade 3 c-5s in a row and got excellent mpg with all three. And yes, they were all modded to some extent.
Team Owner
Joined: May 2005
Posts: 23,682
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From: Flagstaff Az.
Definitely something wrong somewhere. With all the mods, I get 18- 20 around town and 22-24 on the road at 80-85. Sounds like it could be a sensor problem.
Last edited by tiojames; Apr 7, 2012 at 10:00 PM.
Thread Starter
Drifting
Joined: Jul 2011
Posts: 1,509
Likes: 10
From: Bay Point California
Just got back from filling the Vette up with gas. Did some calculations and my numbers are 15 mpg over ten tank fulls. The car is stock. Runs great. We're not speed demons. I read about people getting high 20's ,low 30's all the time in The Forum. My wife says they must be the ones who need the skip shift bypass!
Team Owner
Joined: Dec 2010
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From: Hillsborough NC
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I'm averaging 15-18 with a big stroker motor and a heavy foot. That's calculated the old-fashioned way, fill-up to fill-up.
DIC says 21-23 on the highway. I'm not sure how accurate that is.
DIC says 21-23 on the highway. I'm not sure how accurate that is.