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4th Gen LS1 MPG's?

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Old 05-29-2011, 08:21 PM
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Originally Posted by 71novaguy
i guess now i have to drive around at wot to make it cool tho.
lol
Old 05-29-2011, 09:13 PM
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Originally Posted by 71novaguy
I did something along the lines. I bought a 74,000 mile 94 buick lesabre for a DD. rides awesome and I have yet to get less than 25 mpgs mixed driving. I would have bought a cheaper, high mileage version, but this one was so mint I could not pass it up for the price. I guess now I have to drive around at WOT to make it cool tho.
I don't think that's what that guy meant when he said that. Seems to me it was just an example of the fact that in order to get good gas mileage out of an LS1 F-Body, you generally have to be making a devoted effort to do so. Versus an economy car like a Civic, Corolla etc., you can drive basically however you'd like and still be able to maintain pretty good gas mileage out of the car.
Old 05-29-2011, 09:37 PM
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18-20 combined is a realistic number.
Old 05-29-2011, 10:09 PM
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Originally Posted by 71novaguy
so why would you want this? because its cool to drive wot and still move slower than the f-body at half throttle?

on my end, I've got 30mpg out of my t/a. I most often average 24-25 mpg, but mainly short highway trips.
You completely missed my point. I didn't mean that its cool to drive around redlining every gear. Just that you COULD and still get 30+ MPG. I love F bodies as much as the next guy on here, but a civic driving however they want to is going to be quicker then a F body shifting at 1500 any day of the week.

Like I said before, can a M6 LS1 get 30 MPG? yes, but the driver has to make a effort to get it and not drive the car "normally". And by normal I mean if I handed you the keys to the car and told you to drive it you wouldn't shift at 1500, probable 2500-3500 RPM. Where as with the import you can drive however you want and still get 30+ where as with a F body 30 is not a realistic number unless you try and do mostly highway
Old 05-30-2011, 07:45 AM
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Like I said before, can a M6 LS1 get 30 MPG? yes, but the driver has to make a effort to get it and not drive the car "normally". And by normal I mean if I handed you the keys to the car and told you to drive it you wouldn't shift at 1500, probable 2500-3500 RPM. Where as with the import you can drive however you want and still get 30+ where as with a F body 30 is not a realistic number unless you try and do mostly highway
when I get 30 mpgs, i'm not shifting at 1500, I am shifting in that 2500 range, but I am also skipping gears. thats the nice thing about the manual.

I can go 1st, 3rd, 5th, 6th. sometimes I go 1,2,4,6.
Old 05-30-2011, 10:24 AM
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Originally Posted by 71novaguy
skipping gears. thats the nice thing about the manual.

I can go 1st, 3rd, 5th, 6th. sometimes I go 1,2,4,6.
wish i had a t-56 like 70% of the time
Old 05-30-2011, 11:05 AM
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driving around having fun I get about 18 city (which for me is all 40mph roads with very few lights and stop signs) and the little highway driving I do I get about 27

this is having fun, a few WOT pulls here and there, fun shifting etc. with full bolt ons in a 6 speed with a 3.23 rear gear
Old 05-31-2011, 09:11 PM
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I few nights ago I drove for 4 hours in my m6 w/ full bolt-ons. 2 hours highway and 2 hours city and I averaged 23.2 mpg's. I was very happy with that. That 6th gear is awesome haha
Old 05-31-2011, 10:27 PM
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i averaged around 18-20 normal driving conditions in my auto ls1, i took a trip in my 5th gen with about 3 hours of highway driving going 70+ and about an hour bumper to bumper traffic averaging 24mpg's i was suprised
Old 06-06-2011, 07:51 AM
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I get 28 mpg on the highway with my A4 and 2.73 gears. I have a 30 mile commute each way, and it's right at about 50/50 highway/city driving, and I normally get 21-22mpg per tank with that kind of driving. Usually get 310-340 miles before my check gauges light comes on. Oh, on the highway, I do 70 with my cruise turned on.
Old 06-06-2011, 08:27 PM
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My '98 bone stock m6 averaged a best of ~34 mpg, using 12.9 gal. in 441 miles. I about **** myself when i filled up, and wrote this down. 310 miles were highway between iowa and michigan on i-80, with the cruise set at 80 for most of the trip. The other 131 miles wre a combination of city and highway driving commuting to and from work. I drove it like a grandpa (shifting around 2k most of the time) but I am wondering if I have a factory freak?
Old 06-06-2011, 08:43 PM
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Last year I went to Tacoma from Portland in my 408 M6 car with stock gears and got 24.8mpg mostly highway at like 75-80
Old 06-06-2011, 08:55 PM
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Originally Posted by ajseburg
My '98 bone stock m6 averaged a best of ~34 mpg, using 12.9 gal. in 441 miles. I about **** myself when i filled up, and wrote this down. 310 miles were highway between iowa and michigan on i-80, with the cruise set at 80 for most of the trip. The other 131 miles wre a combination of city and highway driving commuting to and from work. I drove it like a grandpa (shifting around 2k most of the time) but I am wondering if I have a factory freak?
LOL, I seriously cannot see this being possible. These cars can get good gas mileage, but 34 MPG is a ridiculous number, you must have miscalculated or something.
Old 06-07-2011, 09:27 PM
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i put 13 gallons in and got 300 miles when the light came on
so thats pretty much 23/24 miles to the gallon no?
and my cars got 185k on it too
Old 06-08-2011, 01:46 PM
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I just drove my LS1 Camaro over 700 miles to Yosemite, CA and back and I averaged 25mpg
Old 06-08-2011, 02:11 PM
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22 mpg 98 LS1 A4 with 4.10s
Old 06-08-2011, 06:47 PM
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20-21 combined, 24-25 hwy. H/C/I 6 speed.
Old 06-08-2011, 08:03 PM
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On the highway untuned TSP 233/239 cam and 243 heads and ls6 intake in an A4 with a 4k stall I got 22mpg.
Old 06-08-2011, 08:24 PM
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I got 11 mpg with my setup...I try to shift under 6500k.....

Seriously, why is this even a topic? These are muscle cars the last time I checked, not hybrids
Old 06-08-2011, 09:11 PM
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15.5 all city with full bolt-ons untuned.


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