10-27-2010, 12:24 PM | #1 |
Drives: 2018 MBM ZL1 Auto Join Date: Sep 2009
Location: San Juan, Puerto Rico
Posts: 960
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MPG for the Z28
Somebody please explain. How come adding a SC to the SS improves the fuel economy and how come the CTS-V which makes the same HP as an SS with a SC (~550 hp) only gives 11MPG?
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10-27-2010, 12:35 PM | #2 |
Drives: corvette Join Date: Apr 2009
Location: usa
Posts: 374
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Adding a supercharger to an SS does give worse fuel economy. Everyone who says that it increases their fuel economy are not using the EPA tests. to determine their overall MPG.
Z28 will have a gas guzzler tax. |
10-27-2010, 12:37 PM | #3 |
Drives: Slow Join Date: Apr 2010
Location: Metro Chicago,Illinois
Posts: 560
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Who said adding a SC improves mileage? I don't see how adding weight and parasitic loss to the engine is going to improve mileage. Tweaking the tune could do it, but the same would be true if done an a NA engine.
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10-27-2010, 12:51 PM | #4 |
Banned
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more air + more fuel = more power....any questions the reverse is also true
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10-27-2010, 02:03 PM | #5 |
Drives: 10 CTS-V Join Date: Oct 2010
Location: Dallas
Posts: 37
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Just wanted to add...I own a 2010 CTS-V and mpg on hwy is 19.7 and around town is 15.2
There is no reason to believe that if the Z28 gets the LSA motor, fuel economy will be worse than that. I really hope you guys get the LSA motor...it is an absolute blast to drive. |
10-27-2010, 02:53 PM | #6 |
ConceptZer0
Drives: 68 427 Camaro, 11 2SS/RS, 13 ZL1 Join Date: Jul 2010
Location: nj
Posts: 1,096
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maybe if it had a turbo and you kept it out of boost...but supercharger negative...
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10-27-2010, 04:25 PM | #7 |
Drives: 2018 MBM ZL1 Auto Join Date: Sep 2009
Location: San Juan, Puerto Rico
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Clear. Then I think I'll pass on the Z. I need a daily driver. I'll just mod the hell out of the SS.
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10-27-2010, 04:37 PM | #8 | |
Use the Force
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Quote:
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10-27-2010, 04:41 PM | #9 |
I.AM.
Drives: 2011 2SS/RS/A6 cammed-n-whippled Join Date: Oct 2008
Location: NY
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and what kind of MPG do you think your SS will get after you "mod the hell" out of it???
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10-27-2010, 05:05 PM | #10 |
Petro-sexual
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I don't even care, but I don't think it'll be worse than CTS-V. I'm a little suprised that mileage suffers as much as the EPA numbers state. I have seen many comments and statements that people have made about improvements in mileage, but I take them with a little grain of salt. With the bypass valves and more efficient SCs out there, I'd suspect there shouldn't be much of a loss if driving conservatively, but I can't comment either way.
I just know it's not going to sway my decision.
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10-27-2010, 05:20 PM | #11 |
Drives: Love the one you're with Join Date: Sep 2009
Location: Downtown Charlie Brown
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I don't think anybody looking to buy a Z/28 will care a whole a lot about MPG. I know I won't.
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10-27-2010, 05:29 PM | #12 |
Drives: '12 Camaro ZL1 #1255 Join Date: Feb 2007
Location: O' Canada
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adding forced induction improves the fuel milage amost all the time... aslong as ur not in boost. when your in vaccume ur cars get the best milage, when ur in boost you dumping loads of air into the motor.
who really cares what the z28's milage is. you cant honestly be buying the car worrying about that. 556hp is not gona get u 30mpg.
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10-27-2010, 08:00 PM | #13 |
Drives: Fire Engine Join Date: Oct 2008
Location: WPB, Florida
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MPG would be my last consideration when buying this car. HP and handling is my only focus.
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10-27-2010, 11:45 PM | #14 | |
juggernaut
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Quote:
like others have said if you're buying this kind of car you aren't really worried too much on mileage. |
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