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  • #1

    1/4 ET calculator

    http://www.robrobinette.com/et.htm

    repost?

    thoughts about this thing? garbage? semi-accurate?

    i put in 3360lbs w/ 215hp at flywheel and got a 15.35

    i also put in 3360 w/ 200hp at flywheel and got 15.72 (thats accurate)
    Last edited by badinfluenceRS; 02-20-2007, 04:22 PM.
    1999 Camaro Z/28
    1973 Firebird Formula
    Tags: None
  • #2
    Re: 1/4 ET calculator

    Originally posted by badinfluenceRS
    i also put in 3360 w/ 200hp at flywheel and got 15.72 (thats accurate)
    What weight reduction did you do to get down to 3360lbs?

    BTW, this should be in the Drag Racing section ;)
    sigpic
    1997 Camaro RS A4
    2006 Chevy Colorado
    2003 Kawasaki Ninja ZX6-R

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    • #3
      Re: 1/4 ET calculator

      It doesn't factor in gearing
      Black \'94 Trans Am A4- SLP CAI & Loudmouth<br />Red \'93 Firebird A4- Ram Air under the WS6 hood, !cat, exhaust.

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      • #4
        Re: 1/4 ET calculator

        ive never liked calculators. to many variables to say how correct they are. condition of car, DA, gears, tires, suspension etc.

        theres only one way to find out.

        current car- 95 Trans am- bolt ons, parked and collecting dust. why? because **** it

        Follow me!
        http://www.twitch.tv/optimusprymrib
        Or this

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        • #5
          Re: 1/4 ET calculator

          Originally posted by Fbody3400
          It doesn't factor in gearing
          Ah, good point :tup:
          sigpic
          1997 Camaro RS A4
          2006 Chevy Colorado
          2003 Kawasaki Ninja ZX6-R

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          • #6
            Re: 1/4 ET calculator

            Originally posted by Shodown
            Ah, good point :tup:
            Read bibbys post, its better ;)
            Black \'94 Trans Am A4- SLP CAI & Loudmouth<br />Red \'93 Firebird A4- Ram Air under the WS6 hood, !cat, exhaust.

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            • #7
              Re: 1/4 ET calculator

              yea...i noticed it left out tons of factors (no tq, gearing, etc, only a 17% drivetrain lost for the flywheel calc)

              are cars curb weight isn't 3360lbs?
              1999 Camaro Z/28
              1973 Firebird Formula

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              • #8
                Re: 1/4 ET calculator

                I misread that, I was thinking raceweight, thats my bad. 3300-3360lbs is correct.
                sigpic
                1997 Camaro RS A4
                2006 Chevy Colorado
                2003 Kawasaki Ninja ZX6-R

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                • #9
                  Re: 1/4 ET calculator

                  Originally posted by vanbibber
                  ive never liked calculators. to many variables to say how correct they are. condition of car, DA, gears, tires, suspension etc.

                  theres only one way to find out.
                  yes...listen to Bibi Wan you must hrmm...
                  -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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                  • #10
                    Re: 1/4 ET calculator

                    ......3360lbs, 220FWHP, supposedly a 14.45! Add another second to that to get my time :P
                    ~97 3.8L V6 Camaro~
                    A few things

                    Only Member of Team Hooker?!?

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                    • #11
                      Re: 1/4 ET calculator

                      Originally posted by vanbibber
                      to many variables to say how correct they are. condition of car, DA, gears, tires, suspension etc.
                      seriously...I put my car's information in there, and it spat out 14.8...and I have a timeslip for 14.47, so we know how accurate that thing is

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                      • #12
                        Re: 1/4 ET calculator

                        it said our car with 700hp would go 10.3

                        i kno a kid with a 10second n/a 515hp camaro lol

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                        • #13
                          Re: 1/4 ET calculator

                          When you get higher up in HP like that, the accuracy is incredibly inaccurate.

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                          • #14
                            Re: 1/4 ET calculator

                            dam, according to that i have 365rwhp or 425 crank hp.
                            thats got to be some kind of record for a stalled bolt on car....

                            as yall said before its not too accurate once you get up into the higer hp...
                            im putting down maybe 330rwhp
                            2002 NBM Pontiac Firebird Formula<br />Mods: stock...<br />1997 Chevy Camaro *Gone*<br />Mods:Borla,headers,Magnaflow cat, SLP intake, NOS 5175

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                            • #15
                              Re: 1/4 ET calculator

                              Originally posted by Silv6
                              dam, according to that i have 365rwhp or 425 crank hp.
                              thats got to be some kind of record for a stalled bolt on car....

                              as yall said before its not too accurate once you get up into the higer hp...
                              im putting down maybe 330rwhp
                              330rwhp w/ bolt ons?
                              Last edited by badinfluenceRS; 02-21-2007, 12:44 PM.
                              1999 Camaro Z/28
                              1973 Firebird Formula

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