Highway MPG: From 18 to 31 - FirebirdV6.com/CamaroV6.com Message Board

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Highway MPG: From 18 to 31

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  • #1

    Highway MPG: From 18 to 31

    A while ago i checked my mileage on the way home from school one time. It its a 145 mile trip.

    I got 18mpg.........and that was driving conservatively on the highway.


    This sunday i did plugs, PCV valve, Fuel Filter, and an oil change to synthetic.


    Checked my mileage on the way up here tonight........

    30.92 mpg...... :D


    And thats doin 70mph w/ cruise control on.

    Im so happy.
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  • #2
    I get 23~ miles per gallon in my ride, im happy with that [img]smile.gif[/img]

    I even beat on it a few times during my daily drives so i really cant complain, but you 30mpg is nice ;)
    2002 Maple Red Firebird V6<br />3.73 w/ LSD | Pro-5.0 Shifter | Fan Switch | Tach w/ Shiftlite | Boost and Fuel Pressure Gauge | Bilstein Shocks & 1LE Springs | 1LE 32mm Bar & Poly Bushings, Poly Tranny Mount and Torque Arm Bushing | BMR LCA\'s | Catco 3\" Cat w/ Edlebrock 5509 Muffler, (all 3\") | Corbeau A4 Seats (Pair) |<p><a href=\"http://forums.fakeleg.com/\" target=\"_blank\">http://forums.fakeleg.com</a><br /><a href=\"http://cv6.fakeleg.com/\" target=\"_blank\">http://cv6.fakeleg.com</a> - Part & Repair Manuals and write-ups.

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    • #3
      i get like 230-250 per tank :mad:

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      • #4
        dang! I can get like 230 on just barely over half a tank, maybe like 5/8 tank. Maybe I shouldnt mod my car to hell, gas mileage is a definite plus....then again, speed is cooler
        AIM: Alientr8tr<br /><a href=\"http://www.cardomain.com/memberpage/583450\" target=\"_blank\">1998 Camaro 3.8L</a><br />Flowmaster 80-series, !FRA, Eibach Springs, KYB AGX, SLP sway bars, 3.42/LSD, Wings West kit, Z06 Motorsports, Silverstone Metallic paint<br /><a href=\"http://www.shift5.com/\" target=\"_blank\">Shift 5</a> - My Band

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        • #5
          it's okay to mod your car and still get good gas mileage. I have your typical mods, and I get 33mpg on the highway.

          james, 12sec, as highly modded as his is, gets like 27 city
          2011 Camaro LS 6M, in black.

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          • #6
            i was gettin like 230 a tank before i did the tuneup. i think it was either the fuel filter or the pcv valve. the pcv valve wasnt stuck, but it was sticky sounding inside. the fuel filter was corroded on the outside a bit, so i dont know.

            all i know is now im happy as ****. this tuneup is gonna pay for itself in like 2 trips.

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            • #7
              james was sayin he gets like 33mpg highway.

              but he's all ported and polished, so the airflow is better, and the car will run better.

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              • #8
                <blockquote>quote:</font><hr> james, 12sec, as highly modded as his is, gets like 27 city <hr></blockquote>

                <blockquote>quote:</font><hr> james was sayin he gets like 33mpg highway. <hr></blockquote>

                Didn't he also do a whole bunch of weight reduction stuff too? That weight reduction is a huge factor in gas mileage.

                I get 16-19 mpg pure city driving.
                29 mpg +/-1 on pure interstate
                Somewhere in between when I mix it up.

                Intake and exhaust will more than likely increase your mileage.
                SLP CAI, K&N, Whisper Lid, 180* thermo, manual fan switch, 3.42 gears, Auburn Pro LSD, Wester\'s PCM Tuning, TSP Rumbler, High Flow Cat. Best Time: 9.909@71.58 (1/8 mile)

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                • #9
                  You guys have to consider 3 cases: 1:All CITY
                  2:City/Highway 3:All HIGHWAY. Heres the results of what I got.
                  1:200 miles per tank
                  2:230-260 mpt
                  3:300-340mpt
                  It really makes a big difference when your driving long distances, big time. [img]graemlins/thumbsup.gif[/img]
                  Go Fast or Dont Go

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                  • #10
                    I got around 230 before I put on the whisper lid. Believe it or not, I went to 275 last night. I didn't expect that big of a difference.

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