Gas Mileage?

[cloud9]

I get 5.5 track and 13.3 street.

 

[2012YellowBoss]

According to the computer, I got 4 mpg at the last track weekend. About 2 mpg less than my E36 M3 got.

Dam, that is drivin hard, my best is 5.6 last session after Miller.

 

[Dallas_Dude]

Damn I got 8 MPG on my second tank of gas. All city driving, 1/2 spirited, 1/2 tame. Got 300 miles on the odometer. Can this be normal?

 

[VoodooBoss]

Damn I got 8 MPG on my second tank of gas. All city driving, 1/2 spirited, 1/2 tame. Got 300 miles on the odometer. Can this be normal?

If you keep driving like that it will be. Was that manually calculated?

 

[Boss_302]

According to the computer, I got 4 mpg at the last track weekend. About 2 mpg less than my E36 M3 got.

Dam, that is drivin hard, my best is 5.6 last session after Miller.

At Sebring; Saturday was 97 miles and Sunday was 86 miles, total miles driven 183, I put in 29 gallons of gas and averaged 6.3 MPH.

I must not be pushing hard enough...................

 

[MrGT5oh]

I think we'll have to get use to the bad gas milage (especially with the TK), but it's worth it. I'll take bad mileage for the performance and seat of pants feel that we get anytime. So far my best tank of fuel was 17.0 MPG but that was about 75% highway and 25% street and spirited driving. The other two tanks I have been getting around 13ish MPG, but I just rolled over 600 miles and it seems to get better with the more miles that I put on it.

At least this isn't the worst I ever had. I had a 68' Chevelle SS with a 396 and I only got 2 miles to the gallon. I could pass anything but a gas station.

 

[VoodooBoss]

At least this isn't the worst I ever had. I had a 68' Chevelle SS with a 396 and I only got 2 miles to the gallon. I could pass anything but a gas station.

LMAO. ;D

 

[98RedGT]

Not 100 miles on odometer yet and on message center I am getting 10.4 MPG in town with very "spirited" driving

 

[302BOB]

Less than 100 miles on #552? How can you not be driving that car more? I picked up #1886 on Wed. & have over 400 miles on it already. My wife has to pry me out of my BOSS with a screwdriver every night.LOL

 

[98RedGT]

Less than 100 miles on #552? How can you not be driving that car more? I picked up #1886 on Wed. & have over 400 miles on it already. My wife has to pry me out of my BOSS with a screwdriver every night.LOL

I only got it 2 weeks ago, probably won't break 400 miles before it goes into storage for the winter.

 

[aircare84]

1500 miles on mine, averaging 17.6 mpg. No track days ....yet. Picked it up on July 28th.

 

[VoodooBoss]

1500 miles on mine, averaging 17.6 mpg. No track days ....yet. Picked it up on July 28th.

You're obviously not driving it hard enough.

 

[302BOB]

Because of the way I drive mine...I don't care what mileage I'm getting...because of the way I drive mine...

 

[Dallas_Dude]

Damn I got 8 MPG on my second tank of gas. All city driving, 1/2 spirited, 1/2 tame. Got 300 miles on the odometer. Can this be normal?

If you keep driving like that it will be. Was that manually calculated?

Yes both times I calculated manually based on trip meter divided by fill up amount.

 

[Dallas_Dude]

I think I must have leak or something :-\.

The computer says I am getting 9.5 mpg. Does anyone know how long of a period the MPG is calculated over? Can you put it into instantaneous mode? or a short period mode?

 

[STIG302]

Reset the display. You should see it change.

 

[PJWANNABE]

I think I must have leak or something :-\.

The computer says I am getting 9.5 mpg. Does anyone know how long of a period the MPG is calculated over? Can you put it into instantaneous mode? or a short period mode?

I know if I don't stay up in 5th and 6th as much as I can, my MPG sucks. After my FRPP tune my mileage is a little better, averaging about 14.5-15 MPG around town.

 

[Dallas_Dude]

I wonder if you have a miscalibrated exhaust gas sensor if it could kill your gas mileage without a check engine light warning?

 

[BossJockey]

The computer says I am getting 9.5 mpg.

That's pretty bad. You know the car has 6 gears right? I get 17 to 18 MPG in mixed driving. The computer usually says I'm getting worse MPG that I am.

 

[Dallas_Dude]

OK,

I tried to Granni-fy my driving to the extreme to see if I could match the numbers some of you guys are getting. If I reset the mileage calculator and shift through all gears, keeping the RPM under 2200, and get on the highway not exceeding 60 mph, I could get 24 mpg at best. It is very hard for me to drive like this in practice (I liken it to having a naked supermodel in front of you and trying to look away as she begs for your attention).

Doing city driving, stop in go (which is the norm for me) shifting under 2200 rpm every time (hard for me), I was able to get a best of 14 mpg. Is this how you guys are doing it? If I drive like I normally do (revving it up a bit), I can't even hit 10 mpg. Do you think I should have the dealer look at it? or is this maybe due to break in?