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miles per gallon....

5504 Views 22 Replies 12 Participants Last post by  vettex2
drove my C5 to Atlanta yesterday, 650 mile trip each way..got 28.5mpg at 80 mph.. not too shabby for a sports car..be here for few days..:thumbsup3:
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That's not bad at all. Anyone on here running E85, and know how long a tank last on avg driving on corn fuel?
That's not bad at all. Anyone on here running E85, and know how long a tank last on avg driving on corn fuel?
That seems risky
yeah, E85 in older cars may cause some fuel system problems ..and you will not get the mpg s from E85 as with E10 or just gasoline.. ethanol produces less energy than gasoline ..around 30% less .. it is sold at only a few places in my area
How many gears?

fish, What trans do you have?
fish, What trans do you have?
its an auto 4L60E, 2.73 rear ratio , convertible.... I drove manual trans Corvettes since my first, 66 /427 , up until I bought this one..my Modified C3 is an auto too but it AINT BUILT FOR MPG s .... getting lazy in my old age,I guess ..
We just came back from a vacation in Daytona beach with Bucwheat getting 28.7 ,my Honda Accord can't do that.
see , C5's are economy cars :thumbsup3::woowoo:
see , C5's are economy cars :thumbsup3::woowoo:
And alot of fun:thumbsup3:
see , C5's are economy cars :thumbsup3::woowoo:
yeah, thats why I bought one, economy!!! LOL!!
just made the return trip home, last night ...28.2 mpg .. I can live with that!
just made the return trip home, last night ...28.2 mpg .. I can live with that!
Most people don't believe me when I tell them how efficient these cars are. I had an acquaintance at work call BS on me and said that there was no way that my car gets better mpg than his Honda. Oh well, you can't fix stupid, but I tried anyway by sending him links from the internet and he still thinks it's BS. Got to love it...
he knows its true, he s just pissed cause he BOUGHT THE HONDA!! LOL!
Yes he should be. However, I honestly think that he believes that Honda is the best thing since the Apple iPhone (not Apple pie). Don't get me wrong, if you gave me a Honda, I wouldn't tell you to keep it but I'm not going to go out and purposely purchase one. To me, the Honda phenomena is just marketing hype and now a large portion of the market a drinking it's Kool Aid too.

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None of you guys are BS'n me. I get 26 max, the minute I open the TB hard, goes to 14. LOL Got a 315 auto.
Trade you, my "mildly" tweaked '76 with a TH350 tranny get's between 12-15 mpg on the highway. I haven't even ATTEMPTED to guess on the city.
my "severely" tweaked 81 , 383/525HP gets 20 mpg on the hiway.. if I keep my foot out of it. altho,I converted to a TH 700r4 tranny and lock-up converter, too...80 mph =2550 rpm!.... you should consider a trans swap ...lock-up converter
I averaged 27.5 on a 6hr round trip that included a couple of hundred miles of steep hilly roads and some city driving. I have an 02 coupe with 2.73 rear end. I did add headers, high flow cats, Xpipe and new exhaust as well as a Vararam. She breathes in and out very freely. Sounds awesome and that cuts down on the daily milage for some strange reason.
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