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C4 Technical and Performance For technical and performance related discussion of 1984 - 1996 Corvettes.

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Old 01-09-06, 02:14 AM   #1 (permalink)
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Location: C-TOWN, ARIZONA
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My Corvette(s):
1993 COUPE
Default what gas mileage do you get

ok what gas mileage do you get??

im around 14 i have a heavy foot
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Old 01-09-06, 06:17 AM   #2 (permalink)
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My Corvette(s):
2003 Z06 MY w/Mod Red int. & 2002 MY Vert Blk Int
Default I just recently finished about a 300 mile run down I-95

Where just to keep up with the traffic one has to stay just slightly above 80 MPH, even with getting on it a few times, fastest about 135, I managed 23.5 miles to the gallon.
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Old 01-09-06, 08:41 AM   #3 (permalink)
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1987 black t-top
Default

When I first got the car I was getting an average of 14-14.5 mpg. After I gave her a tune up I got, and still get 16 mpg. That's around town and the commute to work on the highway about 10 miles. I can't complain about 16 mpg at all. It sounds funny, but that is way better gas economy over my last vehicle. (I had a jeep wrangler lifted up on 35's thornbirds!) In the jeep I got 10 mpg!
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Old 01-09-06, 08:45 AM   #4 (permalink)
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Location: South Bend,IN
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My Corvette(s):
86 Black Vert "Indy 500 Pace car replica"
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15 to 17 in town, and around 23 to 25 on the road
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Old 01-09-06, 08:46 AM   #5 (permalink)
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Join Date: Nov 2004
Location: michigan
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My Corvette(s):
1996 Yellow LT4 1991 WHT conv. Blue top & int.
Default

91 w/ auto trans. and 2.59 gear gets 28 hwy/22 city.96 w/ 6-speed and 3.43 gear gets 26 hwy/ 20 city.
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Old 01-09-06, 09:00 AM   #6 (permalink)
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My Corvette(s):
1994 Black Rose Coupe
Default

17-18 city, can't complain for 300HP
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Old 01-09-06, 09:13 AM   #7 (permalink)
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My Corvette(s):
2 89s a coupe and roadster both 6speeds
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the 89 roadser bonestock 6speed has gotten as good as 30 MPG highway
The 89 coupe with a beefed up 383 6speed has gotten 23+ MPG highway
both at arond 70 MPH using 6th gear
No complaints here!
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Old 01-09-06, 09:30 AM   #8 (permalink)
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1984 White, 1997 Silver. Drive it like you test it
Default

On cruse control at 70 mph on the hwy : 20 mpg with the C4, 29 mpg with the C5

Normal driving 20% city 80% hwy : 14 mpg with the C4 and 18 mpg with the C5. I have an heavier foot with the C5 than the C4.


4-5 mpg with both at track.
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Old 01-09-06, 12:24 PM   #9 (permalink)
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My Corvette(s):
1988 Dark Red Coupe
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My '88 coupe with K&N, Open air lid, no frisbee and true dual exhaust, automatic and 2:59 rear:

16-17 in the city
27-28 on the highway
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Old 01-09-06, 09:44 PM   #10 (permalink)
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My Corvette(s):
1990 Firethorn red Convertible Greenwood edition
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20 city 27 -33 highway
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Old 01-10-06, 01:27 AM   #11 (permalink)
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Location: Northern Indiana
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1987 Z52 Black Convertible
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Not enough, I hate my heavy foot....
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Old 01-10-06, 02:09 AM   #12 (permalink)
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20/25
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Old 01-10-06, 06:40 AM   #13 (permalink)
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1989 Black Coupe 6 spd manual
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Can't tell, I am doing 9 kilometers per liter. ;-)
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Old 01-10-06, 09:39 AM   #14 (permalink)
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My Corvette(s):
95 Arctic White Vert Red Sport seats, D44, EM LTs
Default

Around town when gas was above 3 bucks = 17-18 MPG. When gas prices are under $2.50 TWELVE MPG
On road trips if I keep it below 90 26-30 MPG. My car is pretty efficient if I can keep my right foot off of the floor.
My around town milage has gotten better since my 2.59-3.45 rear end swap; however, I lost a little highway milage.
Mike
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Old 01-11-06, 08:31 AM   #15 (permalink)
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My Corvette(s):
1986 black coupe
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funny but before i blew out my fuel return line my avarage was around 18.5 or so. now the last couple of days after the return line was blown out its up at 20.4 now!! man who knew some thing so simple could change so much!! shes idleing smoother, idles down fast which helping gas i am sure?
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