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03-27-2012, 06:24 PM
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#15 |
 
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I've got an LS3 so slightly better MPG most of the time.
It's up to 18MPG these days after adding a Vararam from 16 without it. There was also a negligible increase after I put on my axle back exhaust but that may just be from them being lighter. On the highway is a bit better at nearly 21 MPG. Of course, the second you get into the pedal a little you can start counting down 1,000 - 1 gallon, 1,000 - 2 gallons. |
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03-27-2012, 08:34 PM
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#16 |
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Sarcasm loading --------
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best ever for me was 14 mpg, i drive 38 miles per day, 16 freeway in the morning, the rest busy, stop and go los angeles city streets. this is with the afm on. with it off, i get 12 mpg.
i bought a gas guzzling Camaro SS. i made my bed, now ill lie in it! 
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03-27-2012, 08:46 PM
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#17 |
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Caspers2SSRS
Drives: Summit White 2010 2SS/RS Camaro Join Date: Jul 2010
Location: Somewhere north of a midlife crisis.
Posts: 2,865
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Auto SS here and still averaging 21.8 at 33K..............average driver, 2000 ft above sea level.
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03-27-2012, 09:03 PM
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#18 |
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o come on
Drives: 06 GTO Join Date: Nov 2008
Location: Naples FL
Posts: 437
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The tune is probably one of the biggest culprit to lower mpg besides the winter fuel. After all the point of a tune is more fuel and air = more powar
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06 GTO with three pedals like it should be
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03-27-2012, 09:36 PM
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#19 |
    
Drives: 2011 Camaro 2ssRS Ls3 Join Date: Aug 2010
Location: Cabot, AR
Posts: 1,250
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I'm fully cammed and have bolt ons getting 18.1. Gotta love that 6 speed manual!
--- I am here: http://tapatalk.com/map.php?vpgwgm
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03-27-2012, 10:09 PM
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#20 |
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UCF Knights
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22.1
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03-27-2012, 10:18 PM
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#21 |
      
Drives: 2016 Mazda6, 2011 Mustang 5.0 Join Date: Mar 2010
Location: Portage, Wisconsin
Posts: 4,049
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Winter blend fuel + colder winter temperatures = lower fuel economy.
It should start to improve as the temperatures warm up this spring. My daily driver gets 31-32 mpg in the winter and 37-38 during the summer months.
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2022 1SS 1LE (Arrived 4/29/22)
"The car is the closest thing we will ever create to something that is alive."  . 2022 1SS 1LE (Coming Soon) |
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03-27-2012, 10:49 PM
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#22 |
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In these last 5 months have you gotten the tune and CAI? You pretty much answered your own question on why your MPG went down. Also, do you have it in Drive mode or Sports mode? That can make a big difference.
Drive Mode: 25.5 mpg Sports Mode: 17 mpg
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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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03-27-2012, 11:52 PM
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#23 |
Drives: 2010 Camaro 1SS/RS, 1973 Corvette Join Date: Dec 2011
Location: Springfield, IL
Posts: 261
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When I first bought my LS3, I was getting about 15-16. Lately, I've been averaging about 17-17.9. That is about 50/50 city/hwy. That also includes opening up the throttle every now and then.. When I do let it rip, I do not redline the engine... I always run premium 92/93 octane depending on what is available.
Personally, I think your numbers sound normal.. You have an auto. So, 1-2 mpg less in the city is expected. I don't think your mods would have negatively impacted you unless your tuner is making you run a richer fuel mixture. When did you notice the change? after the tune? |
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03-28-2012, 07:35 AM
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#24 | |
 
Drives: 2011 Camaro SS Join Date: Aug 2011
Location: northwest n.j.
Posts: 437
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Quote:
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03-28-2012, 07:45 AM
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#25 |
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502 RWHP N/A
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16.3 mpg, with full bolt on, tune, gears and ls3 conversion
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factory motor factory trans, Gpi ss4 cam stock heads ported and milled, full exhaust, circle d 5c 4000 triple disk, 3:91 rear end with posi mod, cai, bmr derlin rear diff bushins, bmr derlin cradle bushins, bmr trailing arms, toe rods with bushings, and bmr anti extreme sway bar. Weld rt-s 17x5 fronts and 17X10 rears on mickey thompson et street r's
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03-28-2012, 07:58 AM
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#26 |
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Banned
Drives: 2010 2SS/RS Join Date: Feb 2012
Location: DA BOTTOM
Posts: 649
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i get 12mpg with my mods
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03-28-2012, 11:00 AM
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#27 | |
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Quote:
 I hadn't gotten tickets in a while but once I got the Camaro - 3 in one year! One of those 3 was actually 3 in stop but I went to court over those since the cop was just being an ___. The judge agreed and tossed two out and gave me a minimal fine for my admission to speeding. |
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03-28-2012, 11:10 AM
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#28 |
 
Drives: 2011 2SS/RS IOM L99 Join Date: Jul 2010
Location: Park Slope Brooklyn.
Posts: 141
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15-16 in the city.
19.5-24.5 on the highway (depending on speed). stock, sport mode at all times.
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2011 2SS/RS IOM L99.
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