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09-11-2012, 01:52 PM
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#43 |
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Don't Like it? Suggit.
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Your avg speed tells me you don't do very much highway driving. If your foot is heavy, I could see 12mpg.
A friend of mine has a mostly-stock L99 and getting 16mpgs driving to work and back- all city. And she drives like an old lady.
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 "Tops off, tach up baby- loud and proud!" A Camaro lover from day one- 1996 3.8 V6 Camaro, to 1996 5.7 LT1 Camaro Z28, to the sold 2002 5.7 LS1 Camaro SS, and NOW, a [I]6.2 L99 VR 2SS/RS: XS Power stainless full exhaust, Airaid CAI, BMR drop springs and sways, custom tune by Cal Speed- 411rwhp |
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09-11-2012, 05:25 PM
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#44 |
 
Drives: 45th Anniversary Camaro SS Join Date: Apr 2012
Location: New Mexico
Posts: 49
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I checked my MPG's for the first time in several weeks last night too...says 11.2. Its weird because I used to get about 16. same miles per day driven, same commute,
 only thing that has changed is the hi flow cats and the solo exhaust...I sure do love that sound!!!
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09-11-2012, 06:26 PM
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#45 |
      
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My wife gets 16 city I get 12
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09-11-2012, 06:43 PM
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#46 |
Drives: 79 transam with 582cid dart motor Join Date: Jun 2010
Location: missouri
Posts: 529
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We used to get 11, now we are at 14. 7k miles
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 2010 Camaro (inferno orange, 2SS, RS and such) cat backs, catch can, CAI on the way 79 Transam, 582 cid dart motor 779hp 315's out back 40spline gdaxles tko tranny |
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09-11-2012, 07:38 PM
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#47 |
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On base the speeds are 35 and 25. My mpg goes as low as 12 when driving low speed stop and go, sounds about right because of the sitting and the acceleration and braking.
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09-12-2012, 04:38 AM
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#48 |
Drives: 2019 Camaro 2SS 1LE Join Date: Aug 2011
Location: Dinwiddie, Va.
Posts: 1,901
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Do that fuse pull bro! Kind of a waste to burn 93 octane and you're not even sure that you are on the high octane table, huh? Keep us posted!
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09-12-2012, 04:43 AM
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#49 |
   
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Houson, we have a problem.
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2011 Camaro 2SS/RS, Circle D 3200, ADM Transmission Cooler, BTR Valvetrain, Cam Motion .621 .595 228/244 113+4, ARH 1 7/8 full exhaust, Cold Air Inductions, Katech C5R TC, Melling HV, BTR SLR lifters, Trunion Upgrade, LS2 Dampner, LS9 head gaskets, Bo White PTB, MM can, GFX, Subs, B&M Deep transmission pan,
Holley fuel rail, Proform valve covers, relocated coil packs  |
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09-12-2012, 05:05 AM
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#50 |
Drives: CGM 2SS/RS, 1987 & 2014 Silverado Join Date: Oct 2010
Location: Spencerport, NY
Posts: 1,012
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3-5 miles is the problem, the car never warms up. The car is running rich to get the cats up to temp to lower emissions, fluids are all cold and thick. (8 qts of oil) Look at the oil temp it probably never gets up to 200 degrees. The exhaust will wear out faster as well because you never get that hot enough to burn off the condensation. Short trips are the worst thing you can do to a car.
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09-12-2012, 05:18 AM
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#51 |
Drives: 2011 IOM 2SS/RS Join Date: Apr 2012
Location: VA
Posts: 400
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What's a light foot?
 I do 80% highway driving and I average 16-19 depending on mood!
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2011 IOM SS/RS L99
2015 Ducati Diavel Carbon Red |
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09-12-2012, 06:55 AM
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#52 |
 Drives: 2012 1SS Join Date: Aug 2012
Location: home
Posts: 280
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Mine too, Im still running 15 mpg lifetime....16 since the last fill up according to my Onstar Android app. The thing is, yes my foot is heavy but I haven't ran it above 4000 RPM yet either.
My LS3 has 600 miles, looking forward to the 18/19 some are getting with more mileage. Maybe the L99 is just a bigger gas hog compared to the LS3 around town? Doubt the dealer will care. My car has seen about 75% city 25% highway and it's only on it's 2nd tank of fuel. Have you done your first oil change yet? I would (well I already did at 500 miles) to full synthetic. There was metal in my oil filter too. |
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