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rx-8_or_? 12-07-2007 04:24 PM

1 Attachment(s)
In three years I've gone from averaging just over 15.5 to just over 17.5. I should hit 20 in another 4 years or so! :-) Jokes aside, it's kinda amusing how the graph just keeps climbing.

TRUOMEGA 12-07-2007 06:49 PM

+1


Originally Posted by Raptor75 (Post 2169868)
I'll see you Stew and Raise you.

1) 87 Octane all the time, tried 93 and saw no difference.
2) 18" All Season Avons
3) Mostly Urban 95% City Driving (stop lights every 3 to 6 blocks)
4) Moderately aggressive driving, red lined at least twice a day.
5) 75% of shifts between 3 and 6K

MPG: 12.5 :icon_tdow


Earl the Pearl 12-07-2007 06:57 PM

On the last 8 hour long trip, I averaged 21 on the highway using 89 and driving 70
This time of year, the average around town is about 15.5 or less.

thered1996 12-07-2007 07:10 PM

Honestly, I don't know what I get -- it would just make me sad.

With a lot of these cars coming off of warranty (like mine in 1000 miles), has anyone ventured to improve the fuel mapping for better MPG? My understanding is that these engines are running rich in order to keep Mazda from having to replace cats.

Spinning Sushi 12-07-2007 07:12 PM

So, what's your driving style/habit? When and where do you shift at? What about gas pedal/throttle position? I would very much like to know. :)

debodave 12-10-2007 06:42 PM


Originally Posted by Raptor75 (Post 2169868)
I'll see you Stew and Raise you.

1) 87 Octane all the time, tried 93 and saw no difference.
2) 18" All Season Avons
3) Mostly Urban 95% City Driving (stop lights every 3 to 6 blocks)
4) Moderately aggressive driving, red lined at least twice a day.
5) 75% of shifts between 3 and 6K

MPG: 12.5 :icon_tdow

87 octane?? wtf?
ok guys im new to the rotary engine, so i dont know the ins and outs yet, but wont low octane fuels lead to pre-detonation like in a typical engine? I know if I used anything under 90 or 91 octane in my 300zx it ran like crap and ping'd like hell....

carbonRX8 12-10-2007 06:46 PM

I dont understand why there is always complaints over mileage. The the most fun I EVER had in my car was 25 miles and burned through a half a tank. You do the math.

Jasonawojo 12-10-2007 06:47 PM

Holding steady at 16-17mpg with my reman engine @ just short of 2k miles. I got about the same mpg on a local group drive staying in 2nd and 3rd gear as I get daily driving. :lol: :uhh:

V Vette 12-10-2007 06:50 PM


Originally Posted by Renesis SE3P (Post 2178388)
So, what's your driving style/habit? When and where do you shift at? What about gas pedal/throttle position? I would very much like to know. :)

Dont rev over 4k in any gear and get into 6th gear as soon as possible without choking car in any gear. When on highways dont drive over 65 mph. This is gramps way of driving but the only way to get good MPG on the 8...Hope this helps

onephatguy 12-10-2007 06:55 PM

50-50 driving and I avg. about 13.8 mpg. $55 every 200 miles really sucks, but I still love my 8. :)

PearlWhite21 12-10-2007 11:33 PM

i get about 15.8 and i drive this thing hard. usually about 200-225. 91 octane.
Latley with the cold weather i dont no i been getting like 180 to a tank u do the math wtf lol

bbanzai 12-11-2007 12:35 AM

You can never have enough data for comparison...

1- 93 octane always
2- OEM 8090s for 8 months, Winter Sport M3s for 4 months
3- Drive it like I'm stealing it 90% of the time
4- No cruise control
5- Aggressively driven & maintained

Conclusion: 17-18 mpg

But seriously, you don't drive the 8 to reduce your carbon footprint! :ylsuper:


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