Fuel MPG

[JDM_WAAAT]

Mach1 A10 and averaged 24.5mpg for my delivery trip home from Iowa to Nor Cal. Was doing better than that before we hit Utah and Nevada's 80mph speed limits and bumped up the average speed and lowered the mpg. All on 91 octane.

FWIW in my Utah segment of the trip I was averaging 25.2 in the Tremec.

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[JDM_WAAAT]

Take the flap out, you should get better MPG, that’s too much drag.

Also the Tremec has different gears.

You have to be driving like an ass to get "13 around town". I get about 17 driving like a normal person in town.

 

[qdog9]

You have to be driving like an ass to get "13 around town". I get about 17 driving like a normal person in town.

And I get just a little more than 13 driving around town “like a normal person”… to each their own dude

 

[Vertex]

I have a HP A10 usually keep gurney flap off since I do mostly hwy miles when driving the car and usually always drive in drag or sport+ mode lately. I do mixed hwy and city and have reset my regular fuel economy gauge but haven't checked my avg on my trip meters but will when I get home.

I've noticed my average when I'm taking a trip further north I'm usually getting somewhere between 22-25mpg at around 73mph and 26+ or so between 63-68mph. It is pretty difficult for me to get a truly accurate reading since there is so much up and down on the roads in my area otherwise I know my average would be higher. Average is usually sitting just a hair under 22mpg.

 

[traxiii]

FWIW in my Utah segment of the trip I was averaging 25.2 in the Tremec.

We were at 26.4 until Utah and I started averaging 85mph, it then went down to 24.5 mpg ave. because at 85-87 mph it was running around 19mpg. The sweet spot seems to be around 75mph, at least at elevation where the air is thinner. Here at sea level, it does best at 65-68mph.

 

[Somepothead]

4,800 miles into my car. I average 12.6 MPG. I've had it for almost 14 months. I do virtually all city driving I'm guessing I have less than 200 miles on the highway.. And I do most of my driving around 3 a.m. when there are no cars to slow me down. So I do a lot of aggressive accelerating and braking. Constantly going from 30 mph to 70 mph to 0mph (stop light) to 100 mph to 50 mph to 30 mph.

 

[LikeMike]

I don't know what the fuck I'm doing wrong . 6spd mixed (Highway/City), normal mode.

Turns out I was driving constantly at 3-4k RMP. Now I am constantly under 2k RPM. Highway is 22MPG, Mixed I get 18MPG, and Mixed with Sport+ sprinting I get 16MPG.

 

[cheeser]

I was suprised last week on a 300 mile trip in the mountains with 60-75 mph speeds…around 26 mpg.

 

[Coastal-Mach]

Im scared to even look at mine, it’s been in 6th twice I believe. The sound of the engine is awesome, so my rpm’s are always higher while cruising.

 

[DRAGOON]

Between track days -average 14.4 mpg street/road with little to none freeway/interstate.
Track - a solid 6.7 mpg average so i must be doing something right out there !
I use 93 E10 fuel for both.

 

[Rhyanski]

Between track days -average 14.4 mpg street/road with little to none freeway/interstate.
Track - a solid 6.7 mpg average so i must be doing something right out there !
I use 93 E10 fuel for both.

What is the track length for a single lap on your track?

6.7MPG translated to litter per 100km equals 35.11 per 100. Bearing in mind the tank volume is 61ltrs(if I'm not wrong), it will last less than 200km

It would be fun to calculate consumption per lap, lol

 

[DRAGOON]

What is the track length for a single lap on your track?

6.7MPG translated to litter per 100km equals 35.11 per 100. Bearing in mind the tank volume is 61ltrs(if I'm not wrong), it will last less than 200km

It would be fun to calculate consumption per lap, lol

This is an average between a 2 mile circuit (Blackhawk Farms Raceway ) and a 4 mile circuit ( Road America ).
Usually 80 miles per tank & refill usually is 12.5 gallons and DTE is 20 miles. 16 gallon full tank minus 12.5 gallon used leaves 3.5 gallons left times 6.4 mpg = 22.4 so the 20 miles to empty is pretty close.
You can use those numbers for what ever math you speak of but the usage is similar on both tracks, it helps that one track is twice the length of the other.

 

[UPee]

22 with A10, just over 3k miles total, live in country with few stop lights, mostly highway driving 24.6 avg since new. Cracks 30 mpg @ 62 - 65 mph on highway on 2-3 hour trips. 91 octane.

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