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> 4th Gen Gas Milage
Metlegleo
post Jan 27 2009, 09:05 AM
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Dallas to Miami, running 80-85mph, no cruise control, 3.73 gears. 24mpg.

Mark
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mitchntx
post Jan 27 2009, 12:58 PM
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In my CMC LT1, during a 40 minute race at Texas World Speedway, I'm getting about 7mpg ...
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trackbird
post Jan 27 2009, 01:33 PM
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QUOTE (mitchntx @ Jan 27 2009, 07:58 AM) *
In my CMC LT1, during a 40 minute race at Texas World Speedway, I'm getting about 7mpg ...



Wow, that's just like commuting in my truck...

As a side note, my 2000 VW GTI VR6 was showing 6.2 mpg at 140 mph based on the instant fuel economy computer display.
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Major_Lee_Slow
post Jan 27 2009, 02:40 PM
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QUOTE (T.O.Dillinder @ Jan 26 2009, 07:50 PM) *
Thanks to all who have chimed in so far.
I have about 1 mile of 40 mph, than the rest of the 56 miles one way is I 90- and Madison's "wonderful" Beltline.


Oh, your in Beloit. Then by all means, get a Pony car and come to Milwaukee to autocross it during the weekends. We have a nice little friendly group of F-bodies and one wayward Mustang driver who would enjoy the addition.
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matt f
post Jan 27 2009, 03:21 PM
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QUOTE (mitchntx @ Jan 26 2009, 09:15 PM) *
QUOTE (matt f @ Jan 26 2009, 08:09 PM) *
If you can find a ws6 1le formula, buy it.


Or the Holy Grail, which you see on craigslist first.

(IMG:http://www.frrax.com/rrforum/style_emoticons/default/2thumbs.gif)


There was an NBM one on ebay a few years ago w/ very low mileage.

If my local Pontiac dealer wouldn't have given me so much crap about a 6 speed, that't what I would have ordered.

During HDPE's, I usually get much better mileage than many smaller cars too. (Still only 7-10 mpg). R32's and turbo cars are pigs on fuel.
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1meanZ
post Jan 27 2009, 05:08 PM
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LOL my 383 stroker with Tremec 5 speed and 3.23 gears gets 22-24mpg on the highway. It got 29-30mpg before I re-tuned it, it was so lean that it was surging, bucking, and trailer hitching.

All my buddies have LS1 6speed cars and they all get 28-30mpg on the highway.
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1meanZ
post Jan 27 2009, 05:11 PM
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QUOTE (matt f @ Jan 27 2009, 10:21 AM) *
If my local Pontiac dealer wouldn't have given me so much crap about a 6 speed, that't what I would have ordered.


what was their deal? Automatics suck.
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trackbird
post Jan 27 2009, 05:56 PM
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QUOTE (1meanZ @ Jan 27 2009, 12:11 PM) *
QUOTE (matt f @ Jan 27 2009, 10:21 AM) *
If my local Pontiac dealer wouldn't have given me so much crap about a 6 speed, that't what I would have ordered.


what was their deal? Automatics suck.



More warranty work for the dealership?
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T.O.Dillinder
post Jan 28 2009, 02:07 AM
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QUOTE (Major_Lee_Slow @ Jan 27 2009, 08:40 AM) *
QUOTE (T.O.Dillinder @ Jan 26 2009, 07:50 PM) *
Thanks to all who have chimed in so far.
I have about 1 mile of 40 mph, than the rest of the 56 miles one way is I 90- and Madison's "wonderful" Beltline.


Oh, your in Beloit. Then by all means, get a Pony car and come to Milwaukee to autocross it during the weekends. We have a nice little friendly group of F-bodies and one wayward Mustang driver who would enjoy the addition.


Are you with Midwest F-Body, Midwestern COuncil of Sports Car Clubs, or some other organization?
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Major_Lee_Slow
post Jan 28 2009, 10:54 AM
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I race with both the Chicago and Milwaukee SCCA, WAI and TSSCC. So between all four clubs there are 32 possible events in the Chicago/Milwaukee area. The Milwaukee Region and WAI both use Miller Park exclusively for all their events.
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CrashTestDummy
post Jan 28 2009, 04:27 PM
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QUOTE (trackbird @ Jan 27 2009, 11:56 AM) *
QUOTE (1meanZ @ Jan 27 2009, 12:11 PM) *
QUOTE (matt f @ Jan 27 2009, 10:21 AM) *
If my local Pontiac dealer wouldn't have given me so much crap about a 6 speed, that't what I would have ordered.


what was their deal? Automatics suck.



More warranty work for the dealership?


They were probably afraid that if he ordered it, and then didn't take delivery, they'd be stuck with it. Since they _really_ didn't understand what the car was, they didn't have a clue how to properly market it. But that's just my thoughts.
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JustinID
post Jan 29 2009, 07:11 AM
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Some pretty similar results... I can easily get 28-30 MPG doing all highway driving, keeping it around 75. We drove back from Yellowstone recently, going 70 MPH except for when we went through some small towns. I managed to get 32 MPG.

And 7-8 MPG in a truck? Ouch... My wife's new 2500 Sierra (gas) gets 13.5 city driving. She could probably do better, but she's been developing a bit of a lead foot. (IMG:http://www.frrax.com/rrforum/style_emoticons/default/smile.gif)
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98_1LE
post Jan 30 2009, 10:50 PM
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I kept detailed records on my last '98, and have >31k miles of data. It averaged 22.5, and they will easily get 28 on the Interstate with a 6-speed and cruise control on.

(IMG:http://www.cleanmpg.com/garage/images/cha1912.png)
(IMG:http://www.cleanmpg.com/garage/images/1912.png)

http://www.cleanmpg.com/index.php?page=gar...mp;viewcar=1912
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roy
post Jan 31 2009, 07:02 AM
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Normal combined driving of Autobahn and city is about 20 mpg . Track days and high speed Autobahn driving equals 4.5 mpg.
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jensend
post Jan 31 2009, 08:47 PM
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My '02 M6 Z-28 gets 30 MPG highway in 6th, 24 MPG towing small utility traier w/ tools, tires, and spares, and 4-5 MPG at WGI. Economy performance car is not an oxymoron.
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trackbird
post Feb 1 2009, 04:48 PM
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QUOTE (JustinID @ Jan 29 2009, 02:11 AM) *
And 7-8 MPG in a truck? Ouch... My wife's new 2500 Sierra (gas) gets 13.5 city driving. She could probably do better, but she's been developing a bit of a lead foot. (IMG:http://www.frrax.com/rrforum/style_emoticons/default/smile.gif)


That was really a joke. My '77 3/4 ton Chevy ("no" compression and a 2bbl carb with 4.10's) got about 8 mpg, my current truck gets about 11.5-12 average and a best of 13.5 highway (once).
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bowtieboy
post Feb 1 2009, 05:59 PM
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In my '99 Z28 M6 hardtop, in 3 trips to Houston, I got just a "tick" under 29 MPG from Arlington to Houston (300 + miles) avg 75 MPH with AC on about 1/2 the time .........pulling a tire trailer ! !

......the only mod were F-stock mods

This post has been edited by bowtieboy: Feb 1 2009, 06:00 PM
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prockbp
post Feb 1 2009, 07:37 PM
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The lifetime fuel mileage for my 2000 Z28 6 speed was 21mpg... I owned the car for 30,000 miles
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mitchntx
post Feb 2 2009, 01:36 PM
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QUOTE (trackbird @ Jan 27 2009, 07:33 AM) *
QUOTE (mitchntx @ Jan 27 2009, 07:58 AM) *
In my CMC LT1, during a 40 minute race at Texas World Speedway, I'm getting about 7mpg ...



Wow, that's just like commuting in my truck...

As a side note, my 2000 VW GTI VR6 was showing 6.2 mpg at 140 mph based on the instant fuel economy computer display.



Starting with a full tank, I went through ~18 gallons of fuel in about 80 minutes of racing. The car now has about 1/2 a tank according to the fuel gauge.

On another note and sorta OT because the trailer had my F-Body in it ...
The 07 PSD bone stock pulling my 28' enclosed weighing in at ~9K got 11.1 going to MSR-Houston this weekend (some head wind and traveling 65-75) and got 12.9 on the return trip, same speed, but mostly a strong tail wind.
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trackbird
post Feb 2 2009, 03:32 PM
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Ha, I'd kill for that kind of towing mileage...
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