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C5 gets better than 35 MPG !

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Old Jul 14, 2009 | 11:59 AM
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Default C5 gets better than 35 MPG !

I got better than 35 MPG on the highway to Niagara Falls yesterday. This was from Windsor, Ontario. The first measurement (before I mistakenly hit RESET was 35.3 mpg ,between Puce, (100 miles) and Brantford. The second measurement was above 36 mpg, but my wife thinks that we we going downhill. I'll give the report on my way back.

I just changed my oil. That's all. This is at least 1 mpg higher than last year. I'm changing the air filter before I go for emissions and I notify you all if it goes up even higher.

I understand that this computer is only an estimate, but I have more than a 1/2 tank of gas still left.

OH ya. This was at 63 mph or 100 km per hour. My cruise is always on.

Dan

http://teachmedrums.com

Last edited by techristian; Jul 14, 2009 at 12:01 PM.
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Old Jul 14, 2009 | 12:04 PM
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The engineers did a great job on the C5 - it should be classified as an economy car if you just go off the mpg that you can get.
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Old Jul 14, 2009 | 12:51 PM
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300 miles, 4.5 hours. 65-70mph. Over the course of the 300 mile trip the elevation rose and fell but it was a net drop of about 700ft. This wasn't interstate though, it was 4 lane highway, mostly 55-60 limits but it goes through towns with 45's and 35's plus a bunch of stoplights mixed in. but no A/C used, headlights off and of course non-ethanol fuel and that was the result.

absolutely amazing.

Last edited by mcgilles; Jul 14, 2009 at 12:57 PM.
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Old Jul 14, 2009 | 12:56 PM
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Man that's awesome

The best I ever got is 31 MPG

Thanks,Matt
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Old Jul 14, 2009 | 01:01 PM
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Old Jul 14, 2009 | 01:14 PM
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I always calculate mine manually also. The computer usually reads about 3-4 MPG on the high side for me. I did get 31 MPG manually calculated when I bought the car. I usually get around 28 though with my driving habits on trips.

I'd still be willing to bet you got around 32 MPG manually calculated though
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Old Jul 14, 2009 | 02:02 PM
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I'm jealous, my little 650 hp twin turbo only gets 28 mpg.
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Old Jul 14, 2009 | 05:42 PM
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Originally Posted by 87 Ragtop
I always calculate mine manually also. The computer usually reads about 3-4 MPG on the high side for me. I did get 31 MPG manually calculated when I bought the car. I usually get around 28 though with my driving habits on trips.

I'd still be willing to bet you got around 32 MPG manually calculated though
but mine only gets 24 or so manually calculated. I can't keep my foot off the go pedal...
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Old Jul 14, 2009 | 06:03 PM
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my best is "Only" 29 on a 500 mile trip still very happy w that...congrats! what a machine we have
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Old Jul 14, 2009 | 06:24 PM
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Originally Posted by volk
but mine only gets 24 or so manually calculated. I can't keep my foot off the go pedal...
Lets just say with my daily driving with stop and go traffic, I'm thrilled I still get 17-19 manually calculated
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Old Jul 14, 2009 | 06:25 PM
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The highest I've ever got was around 34.
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Old Jul 14, 2009 | 06:36 PM
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Mine usually comes out around 32 but the convertible isn't quite as good as the coupe.
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Old Jul 14, 2009 | 07:36 PM
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people find it hard to believe but these cars are amazing congrats
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Old Jul 14, 2009 | 09:29 PM
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I am more surprised you could keep your speed down to 63 mph!
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Old Jul 14, 2009 | 09:56 PM
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Originally Posted by rebelheart
I am more surprised you could keep your speed down to 63 mph!
I like to leave it in cruise for economy. I'm not too popular when I'm passing at 63 mph on the highway and someone is travelling 75-80 in the passing lane and comes up behind me. I get over to the right as soon as possible though.

Dan
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Old Jul 14, 2009 | 10:28 PM
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35 mpg with stock gearing should be pretty easy with the C5. If my car wasn't so insanely modified, I'd do a hypermiler trek with it to see what the best mpg would be.

I got 29.87 mpg with my 4.3 ltr S10 last summer, and that was with a slushbox and a loaded bed. I would think the vette could reach 38 to 40 mpg without too much trouble.
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Old Jul 14, 2009 | 10:57 PM
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Someone i met a few years ago sold his 3.42 gears for a 2.73 in his 6 spd coupe. he was claiming 35 - 40 MPG highway as well.
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Old Jul 14, 2009 | 11:14 PM
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You win. I have had many trips at 32 mpg and only a few shorter runs at a little more. I will try harder on the trip to Funfest this year.
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Old Jul 14, 2009 | 11:20 PM
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Originally Posted by YLWFVR75
Someone i met a few years ago sold his 3.42 gears for a 2.73 in his 6 spd coupe. he was claiming 35 - 40 MPG highway as well.
Heh, I was thinking if I ever get in the position to turbo my vette, I will be getting 2.73 gears. Would be hella fun.

Do you know what mph his gears topped out at?
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Old Jul 14, 2009 | 11:35 PM
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I'm envious. I can never get anywhere close to those figures even if I don't touch the accelerator.
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