Rotary Car Club - RX-7 Gas Milage, MPG

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- - RX-7 Gas Milage, MPG (https://rotarycarclub.com/showthread.php?t=1215)

ZGN	03-25-2008 05:12 PM

RX-7 Gas Milage, MPG

Is anyone getting better than 20.8 MPG on the highway at speeds of 75 or below?

I have 850 pri and 1600 sec injectors with streetport.

ObliqueFD

03-25-2008 06:32 PM

I got 22 once. I also have an auto with 3.9 gears, so I'm sure that's why there is a difference.

djmtsu

03-25-2008 06:34 PM

Well, I have a 2nd gen, but I get about 26MPG on the highway (70mph+). It baffled everyone last year on the DGRR caravan how I had almost a 1/4 more tank of gas when we arrived than they did, and they were all NA.

Turbo swapped GXL with no emissions and full exhaust.

josh18_2k

03-25-2008 07:14 PM

29mpg with teh CC on

85rx-7gsl-se

03-25-2008 07:16 PM

Quote:

Originally Posted by djmtsu (Post 10552)

How in the hell did you get that mileage...your car was running so rich my eyes watered :dunno:

djmtsu

03-25-2008 09:11 PM

No clue, but my shit was sipping gas. Maybe you are just 'sensitive'.

Lol.

Brent

03-25-2008 11:01 PM

I had a black R1 that I purchased from Herblenny. When I sold it, I drove it to Michigan and got 28mpg all highway. My red FD gets around 23-25mpg on the highway normally and around 20mpg mixed(still mostly highway). If it drops down alot, start checking your fuel system.

85rx-7gsl-se

03-25-2008 11:03 PM

Quote:

Originally Posted by djmtsu (Post 10646)

No clue, but my shit was sipping gas. Maybe you are just 'sensitive'.

Lol.

Right...Then why did it backfire so much:willy_nilly:

ZGN	03-26-2008 06:47 AM

As soon as I get off the Highway it drops to 12 to 15. Last year at DGRR I was getting about 7Mpg on the dragon.

SPICcnmFD

03-26-2008 07:22 AM

I usually get around 14-17 driving around. If I drive it to work for a while I'll get around 19. I did get 22-23 going from here to ATL running 80-82mph a couple of weeks ago, amazed me. And for the track I'll usually get between 6-8 depending on which track.

bbade

03-26-2008 10:55 AM

I managed to get from Allentown, PA to Bumblef*ck, Ontario on 3/4 of a tank of gas. I'm not sure the mileage because I didn't think to look before I left. The 7 is usually pretty good on the highway, but if I really get on it I can watch the needle drop haha.

afterburn27

03-26-2008 12:03 PM

My car easily got 28mpg highway (with hills). This was with stock fuel/ignition/twins/ports, rx7.com chipped ECU, and almost every other bolt on.

I'm sure the intake, DP, MP, and catback actually helped highway mileage.

Herblenny

03-26-2008 12:55 PM

This is what I posted on RX8 sub forum..

Quote:

Originally Posted by Herblenny (Post 9463)

FYI... I drove my MB FD to Nashville on Wednesday.. On my way up there I stopped for gas 2twice. After about 86 mile run I was averaging about 80MPH and filled up 3.6 gallons of gas.

From there to next gas station, I was averaging about 90+ MPH (with occasional 120+MPH pulls) and 117 Miles I filled up 6.2Gallons!!

Bottom line, I'm getting better MPG on my FD than my 8 :)

It took me 2hours and45 mins to go from Downtown Bham to Downtown Nashville with 2 stops.. I thought i did pretty good.

Signal 2

03-26-2008 04:31 PM

I've regularly gotten 24 to 26 via interstate on essentially stock manual car (DP, Catback K & N). Where I live it's rolling hills to flat.
Way less around town, but I've never taken the time (maybe too afraid) to check that mileage.

mazpower

03-28-2008 06:02 PM

Best I've done is 24 mpg on the freeway, averaging 75. This is with a half-bridgeport, T-66 turbo, E6K, yadda yadda. :)

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