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  • carb engines

    Why do people still use carburated engines?It seems like every huge horsepower engine at race tracks have a carb, why? Isnt fuel injection better?
    96 Polo Green Camaro<br /><br />Slp Cai,Flowmaster American Thunder cat-back,Catco cat,3.42 Posi rear, KMC Floss Rims 275/45/17 rear 235/45 front

  • #2
    They're much simpler since there's only the carb...no PCM, wiring harness, oxygen sensors, etc.

    They're also easier to tune. You don't have to use a computer to adjust fuel and spark tables.
    Matt
    1998 Mystic Teal Camaro M5
    Whisper Lid, Pacesetter Headers, Catco Cat, Dynomax Super Turbo, B&M Shifter, BMR STB, LSD, P&P Intakes, GT2 Cam, Comp OE Lifters, 1.7 Roller Rockers, Pushrods, SSM Heads, DHP PowrTuner.

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    • #3
      Fuel injection is more expensive.
      1998 A4 Pontiac Firebird

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      • #4
        yep, fi is way more expensive, carb'd engines are easy to work on, tune, repair, and they make plenty of power.

        also, a lot of the project cars people uy today originally had carb'd eigines.

        96 V6 A4 Camaro and 99 Z28 A4 Camaro
        Visit My F-Body Page

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        • #5
          what they sed

          and fi is better for efficiency in the sense it can vaporize gas better and get better economy

          [img]graemlins/wavey.gif[/img]
          -RJ \"Like trail mix I\'m a lil sweet but mostly nutty\"<br />Metallic Blue 2001 3.8 Firebird M5<br />FRA,Smoothed Air lid, Homedepot Intake, K&N Air Filter, MSD Coils & Plug wires, Iridium Plugs, Flash Tune, 2.5 Flowmaster Catback.

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          • #6
            You'll see a lot of off-road guys going to FI due to the fact it can run upside down (aka climbing a steep hill). Carbs starve out on most steep inclines and can cause your engine to stall. BAD NEWS for your brakes when going down a 45 degree rock face!

            But like the others said, carbs are less efficient, but easier to tune & tweak.

            -Mike
            <b>Trucks</b> <br />\'05 Dodge 3500 Dually <i>Cummins Turbo Diesel</i><br />\'98 Dodge 2500 4x4 <i>360 V8 (Wife\'s)</i><br /><b>Toys</b><br />\'81 Chevy K10 <i>Stroker/Swampers/Custom Suspension/1-Tons/Beadlocks</i><br />\'99 Camaro Z28 <i>6 Spd, T-tops, Borla</i><br /><br /><b>Real trucks don\'t have spark plugs</b>

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            • #7
              I used to run carb........ ugh, I hated it.

              I'm much happier w/ FI [img]smile.gif[/img]
              Race car - gone but not forgotten - 1997 firebird V6
              nitrous et & mph: 12.168 & 110.95 mph, n/a 13.746 & 96.38 mph
              2013 Dodge Challenger SRT8: 12.125, 116.45
              2010 Ford Taurus SHO: no times yet

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              • #8
                Originally posted by 12secondv6:
                I used to run carb........ ugh, I hated it.

                jets......primary....secondary.......plunger.....p owervalve....it's all soo difficult


                [img]graemlins/rofl.gif[/img] [img]graemlins/rofl.gif[/img] [img]graemlins/rofl.gif[/img] [img]graemlins/rofl.gif[/img] [img]graemlins/wavey.gif[/img]
                1978 Formula 461 in progress of being built :rock:
                2013 Ram 1500 Big Horn

                former owner of 85 bird w/ 2.8 - 3.4 - 3800 II - 5.0
                94 comero 3.4

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                • #9
                  I have a carb on my camaro....would love to switch it to TBI in the future though, just to show people that TBI can be fast :mrgreen:

                  - Justin
                  <a href=\"http://www.njfboa.org\" target=\"_blank\">New Jersey F-Body Owners Association</a><br />1987 Camaro LT - 400sbc, Aluminum L98\'s w/valve job, Comp XE 274, Q-Junk 750, 3.23 posi, 4.10\'s soon.<br /><br /><a href=\"http://www.njfboa.org/forums/viewforum.php?f=11\" target=\"_blank\">East Coast F-Body Nationals - August 14, 2005</a>

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                  • #10
                    Im runnin an 850 Demon on mine, very easy to tune and tweak.

                    2000 Pewter Pontiac Transam 360rwhp, 370ftlbs
                    1998 Sport Gold Metallic Chevrolet Camaro *SOLD*
                    1974 Silver Chevrolet BIG BLOCK Corvette

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                    • #11
                      Thanks for the replies, i just wasnt sure.
                      96 Polo Green Camaro<br /><br />Slp Cai,Flowmaster American Thunder cat-back,Catco cat,3.42 Posi rear, KMC Floss Rims 275/45/17 rear 235/45 front

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