gas milage - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 10-22-2005, 12:20 AM   #1
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Default gas milage

hey all. so i filled up my tank today(right up to the neck) and drove for 100 km refilled and it took 14 litres. is that good? normal city driving with a couple of kickdowns .
it'* a 1994 ssei stock. well straight pipe. thnx guys.

Al.
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Old 10-22-2005, 12:30 AM   #2
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@#$% Canuks!!!

Let'* see 14 Liters is about 3.7 gallons and 100 km is around 63 miles, so that gives you around 17mpg for around town driving. That'* fair I think.
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Old 10-22-2005, 10:04 AM   #3
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That sounds about right. When was the last tune up? You could probably squeeze a few more mpg'* with a tune up. Get some highway mpg figures, that tells a better story of engine performance.
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Old 10-22-2005, 01:10 PM   #4
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Tons of threads on this subject.....
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Old 10-23-2005, 12:19 AM   #5
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Quote:
Originally Posted by SSEBONNE4EVA
Tons of threads on this subject.....
well it'* something to talk about and share!! i know there is tons of threads on this subject but you know what too? there is tons of lame and unhelpfull replies such as yours!! you're already wasting your precious time , why not put it to use and share something. jesus!
And for the rest of you who replied thnx so much for your input and really modurators if you find that this thread is a waste of time and internet space, by all means delete it or close it . do what ever you feel like doing..
thnx again....
Al.
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Old 10-25-2005, 10:48 PM   #6
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If you want to get any decent gas mileage out of a supercharged car you have to eliminate the full throttle acceleration. But realistically none of us will. I get 20 to 22 in mixed driving as long as I don't come up on anything I want to race! Then you can just watch the gauge go down. This engine dumps a heck of a lot of fuel into the engine while on boost. Hope this helps.
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Old 10-26-2005, 04:38 AM   #7
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My '99 SE (no supercharger) pulls 25 mpg during the week with about 90% of my driving being highway driving.This includes WOT on the on ramps getting on highway and from tollbooth and an average speed of 75 mph.
On the weekend she gets around 18-20 when I do more intown driving wich often includes a few rice beetings.
She'* do for tuneup though so I'm hoping to squeeze a little more out of her.
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Old 10-26-2005, 09:08 AM   #8
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On a trip my 97 SSEi pulled 33.5mpg with a few spirited runs. It probably averages about 20+ city driving.

Now.. I was on the highway and playing with another car for about 20-30 miles. Many wot runs up then back off. I used 1/4 of a tank in 1/2 hour of driving and didn't dare check mileage.
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Old 10-26-2005, 08:03 PM   #9
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"Now.. I was on the highway and playing with another car for about 20-30 miles. Many wot runs up then back off. I used 1/4 of a tank in 1/2 hour of driving and didn't dare check mileage."


Ain't that the truth! Keep your foot out of it and they get good mileage but at WOT the get about 5MPG...or it seems that way. Even my northstar did not suck as much fuel as the SC L67 does at full throttle.
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Old 10-26-2005, 09:20 PM   #10
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I've been getting maybe 20-21 mpg around town, on the highway I get as much as 26-27 mpg, but I also have a lead foot. It'* not unusual for me to do 75-80 mph on the interstates. My mpg'* drop a little when I'm pushing deer off the road.
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