05-15-2009, 10:24 AM | #15 |
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L99
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05-15-2009, 10:26 AM | #16 | |
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Quote:
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DT Shorties, Solo hi-flow Cats, X-pipe, resonator delete, Flowmaster Super-44s, VMAX TB, Stronger MAF, C.A.I. Intake with race scoop, and JRE Tune!
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05-15-2009, 10:27 AM | #17 | |
A Classical Greek
Drives: DTS, Bonneville and an SS ! Join Date: Feb 2009
Location: Grand Blanc MI
Posts: 226
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05-15-2009, 10:30 AM | #18 |
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I agree. But it seems he should be getting a little closer to the 25 mark to me. I'm just saying his concerns/questions are not out in left field. I think they are legit IMO.
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DT Shorties, Solo hi-flow Cats, X-pipe, resonator delete, Flowmaster Super-44s, VMAX TB, Stronger MAF, C.A.I. Intake with race scoop, and JRE Tune!
WOT is my happy place!! |
05-15-2009, 10:48 AM | #19 |
Drives: Wheeled Vehicles Join Date: May 2009
Location: St Paul,MN
Posts: 285
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Suck,Squeeze,Bang,and Blow.
Have your dealer check the fuel mixture settings. They may have come set a bit rich.
If your a wrencher, you can look at the plugs to confirm this, the darker the color of the plug, the richer that cylinder is running. Alternatively, if you make her breathe better with a cold air intake, and belch better with a less restrictive exhaust, your mileage should improve. LabRat |
05-15-2009, 12:29 PM | #20 |
Okie doke
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Again Scott .. give it a little time as well ... I think you'll be happy w/ the MPG increase you will see ..
Gary
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05-15-2009, 12:41 PM | #21 |
Drives: 98' Z28 08 CC Z71 2010 SS/RS Join Date: Aug 2006
Location: Denver, Colorado
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My truck seems to do better on some tanks than it does on others. It may be the gas you are putting in. I also notice that my AFM seems to be a little more aggressive in kicking in when the weather isn't so cold. Sometimes it rarely switches to 4 cylinder mode and other times it's in it for 75% of the drive. Just my 2 cents...
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05-15-2009, 02:21 PM | #22 | |
Drives: 2010 Camaro 2SS RJT Join Date: Feb 2009
Location: Southern Indiana (Louisville Area)
Posts: 357
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Quote:
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Ordered Jan 09
2SS RS RJT Delivery?? 5/27/09 #10630 AFTERMARKET: Hurst STS Borla ATAK Catback |
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05-15-2009, 02:30 PM | #23 |
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05-15-2009, 02:39 PM | #24 |
Drives: 1969 rs/ss & 2010 L99 #3747 4/28/09 Join Date: Oct 2008
Location: Albion, NY
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Is there a way to tell when AFM is engaged?
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05-15-2009, 02:40 PM | #25 |
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05-15-2009, 02:46 PM | #26 |
Drives: 1969 rs/ss & 2010 L99 #3747 4/28/09 Join Date: Oct 2008
Location: Albion, NY
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Scott, If you are driving in the Sport mode it will be less MPG.
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05-15-2009, 02:51 PM | #27 |
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Drives: Fast Join Date: Jan 2009
Location: San Diego, CA
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I would like to know what your previous cars got compared to the advertised MPG, was it higher? lower? What RPM's are you hitting? In my wifes 05 Corolla we can hit up to 3k RPM and still get the same gas mileage and go up to about 80 and get the same gas mileage. Anything beyond that it drops "exponentially".
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05-15-2009, 02:59 PM | #28 |
Rolling along...
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I think everyone (v6 or v8 owners) need to keep in mind the testing that is done to determine the EPA numbers. For example, highway numbers (max speed 60mph, max acceleration 3.2mph/sec, avg speed over 10.3mile trip 48.3mph). I'm sure none of us drive like that. At least we won't until gas creeps back up to $4-$5/gal again.
http://www.fueleconomy.gov/feg/fe_test_schedules.shtml It also really depends on the driver's foot. In my wife's Expedition, when I drive from our house to downtown Houston on nearly every Saturday morning, I average just over 19mpg but when my wife drives this same route in about the same amount of time it takes me, she averages just under 16mpg. I'm so used to driving in traffic everyday that I don't accelerate/decelerate as quickly as she does and I also tend to coast more rather than constantly pushing the gas pedal. You mileage may get better as the miles roll by but you might need to adjust your driving style a bit to make more of an improvement.
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