40.7 mph

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Apr 16, 2019 | 07:26 PM

John Ulrich

Thread Starter

Melting Slicks

Joined: Jun 2000

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From: MN-C3, AZ-C7

40.7 mpg

According to my C7 dashboard, I used my 1,000th gallon of gas. At 40,692 miles traveled, that works out to 40.7 miles per gallon! That's my story and I'm sticking to it!

Last edited by John Ulrich; Apr 16, 2019 at 08:20 PM.

Apr 16, 2019 | 07:29 PM

Zora_Vette

Melting Slicks

Joined: Jan 2019

Posts: 2,151

Likes: 2,020

Quote:

Originally Posted by John Ulrich

According to my C7 dashboard, I used my 1,000th gallon of gas. At 40,692 miles traveled, that works out to 40.7 miles per gallon! That's my story and I'm sticking to it!

That is insane fuel economy!

Apr 16, 2019 | 07:44 PM

RonC7

Safety Car

Joined: Dec 2012

Posts: 3,841

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From: St. Louis Metro East IL

Are you always driving down hill with a tail wind?

Apr 16, 2019 | 08:20 PM

Inferno24

Pro

Joined: Nov 2017

Posts: 544

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From: South Carolina

In order to very that kind of mileage, you must be DRIVING MISS DAISY!

Apr 16, 2019 | 10:16 PM

FunDriver

Le Mans Master

Joined: Apr 2001

Posts: 8,133

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From: Ex-SF Bay Area; now happily Denver area

Quote:

Originally Posted by Rayland

John Ulrich

Sir, your thread tag MPH or MPG?

"Great News".

Many thanks,

Ray

My question too.

Apr 16, 2019 | 11:21 PM

hemistar1

Racer

Joined: Dec 2018

Posts: 374

Likes: 98

From: Hampton, VA

Great Caesar’s Ghost That is damn good! Please update your title to say 40.7 MPG.

Apr 16, 2019 | 11:30 PM

devnull

Scientific Negotiator

Joined: Jul 2005

Posts: 6,727

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From: USA

St. Jude Donor '07-'08-'10, '14

If I put one gallon of gas in my car and dropped it from an altitude of 40.7 miles up while idling it would run out before it hit the ground.

Apr 16, 2019 | 11:34 PM

Vetteman Jack

Administrator

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From: In a parallel universe. Currently own 2014 Stingray Coupe.

C7 of the Year - Modified Finalist 2021

MO Events Coordinator

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St. Jude Donor '03 thru '25

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If you are getting that kind of MPG out of the car, yours is one of a kind C7.

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Apr 16, 2019 | 11:35 PM

Mr Triple Black

Burning Brakes

Joined: May 2018

Posts: 984

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From: Fort Worth, TX

I’m averaging about 14 so good for you lol

Apr 16, 2019 | 11:58 PM

#10

Avanti

Race Director

Joined: Mar 2001

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From: Bonneville Salt Flats

If that were even remotely accurate, it sounds like a personal problem to me, driving a sports car!

Apr 17, 2019 | 01:54 AM

#11

SilverGhost

Drifting

Joined: Nov 2005

Posts: 1,668

Likes: 888

as long as you don't start any trans-oceanic flights relying solely on the instrument cluster gauges in a GM car, i'll say more power to you!

Last edited by SilverGhost; Apr 17, 2019 at 01:54 AM.

Apr 17, 2019 | 09:44 AM

#12

subieworx

Pro

Joined: Oct 2016

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Isn't the fuel used display able to be reset?

Apr 17, 2019 | 10:26 AM

#13

Mayor111

Melting Slicks

Joined: Oct 2016

Posts: 3,340

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From: Lehigh Valley PA

Quote:

Originally Posted by subieworx

Isn't the fuel used display able to be reset?

I was just going to ask the exact same question...

Apr 17, 2019 | 10:27 AM

#14

JHundertmark

Racer

Joined: Nov 2015

Posts: 260

Likes: 87

From: Brighton MI

#13 & 14 - Yes - Fuel display can be reset as I do when filling tank.

Apr 17, 2019 | 11:11 AM

#15

Rebel Yell

Le Mans Master

Joined: Jan 2006

Posts: 6,800

Likes: 2,653

From: Down south in Dixie

Good deal bud. Since I have no evidence to the contrary, your story is valid. So, stick to it.......

Apr 17, 2019 | 11:38 AM

#16

Team Owner

Joined: Aug 2000

Posts: 24,103

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From: Spring Texas

Fuel logger probably stops at 1000 gallons, much like the "accumulated information" stops at 10000 miles and the hours roll over to 0.0 after 99.9 hours.

Apr 17, 2019 | 11:48 AM

#17

John Ulrich

Thread Starter

Melting Slicks

Joined: Jun 2000

Posts: 3,431

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From: MN-C3, AZ-C7

Thanks for the solution. I'll be out in it later today and will reset the display. The "stuff" you learn every day!!!!

Apr 17, 2019 | 01:06 PM

#18

19672014

Pro

Joined: Apr 2017

Posts: 592

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From: Chesterfield Twp., Michigan

My experience is that GM MPG displays always read high. From near zero to about 1 MPG on my C7 on each tank of gas. It was worse on the ex's Pontiac. I calculate it from the trip odometer, which I reset to zero at fill up, and gallons pumped on almost every fill up. Not super scientific but the calculation is always lower than what the car's instrumentation is indicating.