Could a bad cat give you bad gas mileage? - FirebirdV6.com/CamaroV6.com Message Board

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  • #1

    Could a bad cat give you bad gas mileage?

    I was looking at this listing and got to thinking.

    http://www.fbodycentral.com/forum/sh...threadid=11854

    He says he gets 260 miles to the tank. that’s like 17 mpg. I know V8's are not economical but that just doesn’t seem right. I thought I read a sticker an a new T/A that said 20/26 mpg. Since I was thinking about getting a second car I wanted to know. Thanks.

    [ March 17, 2004, 07:51 PM: Message edited by: andrew.brandon ]
    95 Firebird<br /> <a href=\"http://www.cardomain.com/memberpage/673250\" target=\"_blank\">http://www.cardomain.com/memberpage/673250</a> <br /> <a href=\"http://photobucket.com/albums/y217/andrewbrandon19/\" target=\"_blank\">http://photobucket.com/albums/y217/andrewbrandon19/</a> <br /><br />me on a good day------&gt; <a href=\"http://communicatio.webblogg.se/images/wet_cat_113159625.jpg\" target=\"_blank\">linky</a>
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  • #2
    Man...I dont get much more than that to a tank. I average 19mpg with most all of it being city driving...a bit of freeway to and from school 3 days a week (like 10miles both way).
    Shawn<br />2002 Silver W68 Firebird

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    • #3
      Yea but 2-3 mpg will have a big effect on my budget.
      95 Firebird<br /> <a href=\"http://www.cardomain.com/memberpage/673250\" target=\"_blank\">http://www.cardomain.com/memberpage/673250</a> <br /> <a href=\"http://photobucket.com/albums/y217/andrewbrandon19/\" target=\"_blank\">http://photobucket.com/albums/y217/andrewbrandon19/</a> <br /><br />me on a good day------&gt; <a href=\"http://communicatio.webblogg.se/images/wet_cat_113159625.jpg\" target=\"_blank\">linky</a>

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      • #4
        heh that would only end up being like an extra 2 bucks...that couldn't be THAT big of an effect
        Shawn<br />2002 Silver W68 Firebird

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        • #5
          lol it is when you currently don't have a job.
          95 Firebird<br /> <a href=\"http://www.cardomain.com/memberpage/673250\" target=\"_blank\">http://www.cardomain.com/memberpage/673250</a> <br /> <a href=\"http://photobucket.com/albums/y217/andrewbrandon19/\" target=\"_blank\">http://photobucket.com/albums/y217/andrewbrandon19/</a> <br /><br />me on a good day------&gt; <a href=\"http://communicatio.webblogg.se/images/wet_cat_113159625.jpg\" target=\"_blank\">linky</a>

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          • #6
            LoL sorry I couldn't resist but if you don't have a job and the extra 2-3mpg means that much, why are you going to buy another car??? LOL
            1995 convertible Firebird 3.8L, Silver w/Black Top<br /><br />Mods: 18x9 Mille Miglia Evo5 wrapped in 245/40/18 Continental ContiExtreme, Power Acoustic Gothic Series 640w amp, 2 10\" Fat Boy Crunch Woofers in custom fit box.

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            • #7
              I got 19 out of my tank today.
              I'd like to find out why it is that bad, I'm pretty reserved driver when it comes to hard acceleration (except for once in a while....)
              ~chris~ 98 Cayenne red Camaro 3800 A4, 3:08, T tops Borla cat-back, wisper lid K&N, Bilstine shocks, Dunlops all around. <br />AOL IM: chevyboyz24

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              • #8
                Originally posted by Jaguar5822:
                LoL sorry I couldn't resist but if you don't have a job and the extra 2-3mpg means that much, why are you going to buy another car??? LOL
                My dad pays for my gas most of the time but the price if gas is suppose to go thought the roof this summer. I just don't want to get a car with a gas problem that can't be fixed.

                And as for my first question, Will a bad cat give you bad gas mileage?
                95 Firebird<br /> <a href=\"http://www.cardomain.com/memberpage/673250\" target=\"_blank\">http://www.cardomain.com/memberpage/673250</a> <br /> <a href=\"http://photobucket.com/albums/y217/andrewbrandon19/\" target=\"_blank\">http://photobucket.com/albums/y217/andrewbrandon19/</a> <br /><br />me on a good day------&gt; <a href=\"http://communicatio.webblogg.se/images/wet_cat_113159625.jpg\" target=\"_blank\">linky</a>

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                • #9
                  Originally posted by andrew.brandon:
                  And as for my first question, Will a bad cat give you bad gas mileage?
                  If the cat is clogged for example, yes, for sure.
                  <a href=\"http://www.hubraum-statt-spoiler.com/transamrims2.jpg\" target=\"_blank\"><br />1994 Yellow Firebird 3.4L V6 5spd</a><br />Borla, RandomTech Cat, Morroso CAI, MSD DIS-4, MSD coils,ported TB, TB Bypass, relocated IAT, 180° Thermo, Eibach Pro Kit, Bilstein HDs, ES bushings,RAM HD clutch

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                  • #10
                    Thanks. Really wasn't sure.
                    95 Firebird<br /> <a href=\"http://www.cardomain.com/memberpage/673250\" target=\"_blank\">http://www.cardomain.com/memberpage/673250</a> <br /> <a href=\"http://photobucket.com/albums/y217/andrewbrandon19/\" target=\"_blank\">http://photobucket.com/albums/y217/andrewbrandon19/</a> <br /><br />me on a good day------&gt; <a href=\"http://communicatio.webblogg.se/images/wet_cat_113159625.jpg\" target=\"_blank\">linky</a>

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                    • #11
                      YEs it can, but remember t/a formulas z28's all have v8's less strain on motor to move their cars. We have v6's.. More strain.
                      New:04 GMC Sierra 1500 RCLB 4x4 5.3 GU80 3.73\'s.<br />Truck pics<br />Mods<br />Go fast: Panel K&N filter and soon SS truck catback.<br />Appearance: Stull Billet grill,Weston Chrome step tubes,Rhino Chrome hitch step,ARE painted fiberglass cover,Silver star lighting.

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