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Old 05-24-2014, 10:16 PM   #1
Skylane765
 
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Z28 MPG better than ZL1

The Z28 is getting 17mpg. The best the ZL1 would get was 13. The sticker says the z28 should get less?? One other thing the Z28 does not have the low end like the ZL1. If you look at the HP graff the two cars are opposite.
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Old 05-24-2014, 10:19 PM   #2
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Cross-country I got 18.5 mpg. That was with me constantly varying the speed and revs, which couldn't be much help for economy.

I agree with what you're saying about torque, but I sure do LOVE the way the Z/28 pulls from 3,500 rpm to redline. The sound is also pretty spectacular; can't wait to get it on track!
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Old 05-24-2014, 10:59 PM   #3
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I get 18 in my ZL1
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Old 05-24-2014, 11:20 PM   #4
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How much is the GG tax on the Z/28
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Old 05-24-2014, 11:32 PM   #5
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How much is the GG tax on the Z/28
$1,300.
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Old 05-25-2014, 02:09 AM   #6
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haven't reset my MPG calc since mile since day 1... showing 15+ MPG... and that me varying speeds and hammering down on her as well
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Old 05-25-2014, 02:29 AM   #7
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I average 16 normal daily driving, I can do 19 if I am careful and can do 22 freeway with a 75 mph cruise speed...not that any of that matters...its a 580hp supercar, wasn't expecting good gas mileage, but glad its reasonable.
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Old 05-25-2014, 02:41 AM   #8
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I average 16 normal daily driving, I can do 19 if I am careful and can do 22 freeway with a 75 mph cruise speed...not that any of that matters...its a 580hp supercar, wasn't expecting good gas mileage, but glad its reasonable.
I get about the same a you, very reasonable until you put the hammer down.
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Old 05-25-2014, 04:04 AM   #9
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Not that I care about gas milage... but I average 15.5 daily driving to work and back with a BIG lead foot. Your in the wrong group of car buyers if your worried about gas milage........
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Old 05-25-2014, 12:59 PM   #10
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Originally Posted by brt3 View Post
Cross-country I got 18.5 mpg. That was with me constantly varying the speed and revs, which couldn't be much help for economy.

I agree with what you're saying about torque, but I sure do LOVE the way the Z/28 pulls from 3,500 rpm to redline. The sound is also pretty spectacular; can't wait to get it on track!
I can not understand why the curve on the HP is like opposite from the LSA and LS7? Yes pulling fool once past 3500 where the LSA pulls from 2000
I got used to keep from hitting rev limiter on LSA, now I will have to let the LS7 wind out.
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Old 05-25-2014, 05:23 PM   #11
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Why are we now concerned about fuel milage?
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Old 05-25-2014, 05:33 PM   #12
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I am not, it is that the sticker is opposite of each other on mileage and the HP seems opposite also.
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Old 05-26-2014, 05:55 PM   #13
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Cross-country I got 18.5 mpg. That was with me constantly varying the speed and revs, which couldn't be much help for economy.
Yesterday I took my ZL1 on a 450 mile road trip to get myself to 1500 sooner. I averaged 19.1 MPG. I exited off ramps every 30 miles and got right back on shfting at 3500. Dropped into 5th for periods on the highway and had 80 miles of 35 - 45 - 55 - 35 MPH twistys.

I'm at ~1100 now and will get to the magic number next week. Then I'm going to hit Great Lakes Dragaway and 1/4 mile race it for the rest of the summer. Future plan is to join a club so I can track it at Road America but I don't think I can financially swing it until next year.
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Old 05-27-2014, 08:00 AM   #14
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I get 18 in my ZL1
17-18 for my ZL1, as well.
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