Help me be a better drag racer...

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  • Fidhle007
    I can fly, motherfucker
    • Oct 2005
    • 7209

    #1

    Help me be a better drag racer...

    I went to New England drag way tonight made my first attempt at actual, legally sanctioned racing. It was a blast but the best I ran was a 16.2 and I need some pointers. Basically, my launches sucked. I dumped the clutch at about 5k and the back and just shook and bounced violently. I was told this was wheel hop because I let the clutch out too quickly and I'm sure I did. I was all caught up in the moment and I was trying to get a good reaction time. Once I got up and running everything was dandy but that launch was driving me nuts, should I lower my tire pressure more or do more of a burnout to warm them up? I was running my tires around 25 psi and I didn't want to do too much of a burnout because I'm a big chicken. :D

    Regardless it was a blast and I fully intend to give it another shot soon, I'd just like to improve my shot at a good time when I do!

    Thanks,
    Brendan
    Last edited by Fidhle007; 09-14-2006, 11:05 AM.
    '89 325is S50 Track Montser
    '04 X5 Daily/Tow Vehicle

    http://www.avarestoration.com

    http://www.myspace.com/brendanfiddle


    Click here if you want to be my zombie slave...

    http://www.youtube.com/user/Fidhle007
  • shiftbmw
    R3VLimited
    • Oct 2005
    • 2012

    #2
    When you launch, get your rpm's up(maybe like 4k...5000k and I'm guessing your motor is long gone ;-)) and SLIP YOUR CLUTCH. Dumping your clutch has 2 side effects, neither of which help you...you either bog or burnout.

    Also, I don't know how big of a difference it will make on street tires(probably not worth it) but when you do your burnout, heat them the fuck up. Light em up and do a brakestand. Then release your brakes and continue burning out until you are well clear of the water(to make sure all excess water is off your tires.

    You also want to shift hard and fast. Basically your car takes a beating but it's fun every once in a while.
    sigpic
    "The best argument against democracy is a five-minute conversation with the average voter." - Winston Churchill

    Comment

    • der affe
      Moderator
      Technical
      • Dec 2005
      • 8452

      #3
      if you are going to use street tyres, don't do a burn out. street tyres grip best when they are up to a norm temp, not quite cold , but not burning up either. they were designed to work coldish, otherwise you would have to burn out when ever you left the driveway in the morning. experiment by doing a little quick burn just to heat them up. then see how they grip, just don't do a john force.
      seien Sie größer, als Sie erscheinen


      Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

      Comment

      • Fidhle007
        I can fly, motherfucker
        • Oct 2005
        • 7209

        #4
        Originally posted by shiftbmw
        SLIP YOUR CLUTCH. Dumping your clutch has 2 side effects, neither of which help you...you either bog or burnout...
        I think that right there was my issue. My first run I just did a quick peel out and my second I did a full-on brakestand but again only for a few seconds. The second run I was trying to get a good reaction time and in the process I ended up with the back end of my car shaking like a whore on crack. :D

        The shifting hard and fast bit I had down. Like I said, once I got going and that aweful chattering had ceased I was fine, it was my launch that was killing me...:drink:
        '89 325is S50 Track Montser
        '04 X5 Daily/Tow Vehicle

        http://www.avarestoration.com

        http://www.myspace.com/brendanfiddle


        Click here if you want to be my zombie slave...

        http://www.youtube.com/user/Fidhle007

        Comment

        • chuckybob
          E30 Modder
          • Aug 2004
          • 952

          #5
          lowering tire pressure doesnt much help, you want the most contact area available, and thats almost always at full pressure.
          : : 1984 318i : : PNW E30 Crew : : Sold!!
          Now becoming the R3vlimited Pro3 car
          http://www.r3vlimited.com/board/showthread.php?t=93780

          Comment

          • Fidhle007
            I can fly, motherfucker
            • Oct 2005
            • 7209

            #6
            Originally posted by chuckybob
            lowering tire pressure doesnt much help, you want the most contact area available, and thats almost always at full pressure.
            I thought that too, but it was the cool thing to do I guess. I normally run my pressure a little high so it seems that bringing it down to 35-36 psi should be ideal. I'll be working on my clutch skills first thing tomorrow, it's a good thing my clutch is new and still has plenty of life left...
            '89 325is S50 Track Montser
            '04 X5 Daily/Tow Vehicle

            http://www.avarestoration.com

            http://www.myspace.com/brendanfiddle


            Click here if you want to be my zombie slave...

            http://www.youtube.com/user/Fidhle007

            Comment

            • StereoInstaller1
              GAS
              • Jul 2004
              • 22679

              #7
              Originally posted by shiftbmw
              When you launch, get your rpm's up maybe like 4k...5000k
              My car just won't do five million RPM anymore.



              :D

              Luke

              Closing SOON!
              "LAST CHANCE FOR G.A.S." DEAL IS ON NOW

              Luke AT germanaudiospecialties DOT com or text 425-761-6450, or for quickest answers, call me at the shop 360-669-0398

              Thanks for 10 years of fun!

              Comment

              • KangamangusDriver
                E30 Mastermind
                • Aug 2005
                • 1870

                #8
                Originally posted by StereoInstaller1
                My car just won't do five million RPM anymore.



                :D

                Luke

                hahahah


                Brando call me next time you head up there!!!!!

                Comment

                • Fidhle007
                  I can fly, motherfucker
                  • Oct 2005
                  • 7209

                  #9
                  Originally posted by KangamangusDriver
                  Brando call me next time you head up there!!!!!
                  I definitely will! It was a blast but only two BMWs represented. We need more next time and some that can put down some better times...
                  Last edited by Fidhle007; 09-15-2006, 06:27 AM.
                  '89 325is S50 Track Montser
                  '04 X5 Daily/Tow Vehicle

                  http://www.avarestoration.com

                  http://www.myspace.com/brendanfiddle


                  Click here if you want to be my zombie slave...

                  http://www.youtube.com/user/Fidhle007

                  Comment

                  • blunttech
                    Forum Sponsor
                    • Jul 2004
                    • 12850

                    #10
                    the best thing you can do to become a better drag racer is to get a car designed for it.
                    We can serve you better through Email

                    sales@blunttech.com
                    www.blunttech.com


                    Like us on Facebook

                    Comment

                    • PeaveyBassist
                      No R3VLimiter
                      • Sep 2004
                      • 3511

                      #11
                      325is can do a 15.6. Thats what I ran with a shitty engine.

                      Will
                      RIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
                      Welcome e30 (brilliantrot '90 325is) 12/23/06
                      DaveCN = Old Man
                      My signature picture was taken by ME! Not by anyone else!



                      Originally posted by george graves
                      If people keep quoting me in their sig, I'm going to burn this motherfucker down.

                      Comment

                      • RobertK
                        Kicked cancer's ASS.
                        • Jun 2005
                        • 5864

                        #12
                        I've always been told that the last thing you want to do is dump the clutch and peel out.

                        Peeling out = losing traction = more time not moving after the green light = higher 1/4 time.

                        Comment

                        • Van Westervelt
                          R3V OG
                          • May 2006
                          • 9365

                          #13
                          Yeah, you have to keep it right on the verge of losing traction. Thats why you ease the clutch out instead of dumping it. Hell, my SETA can do a burnout if I dump the clutch. Ha
                          sigpic

                          Comment

                          • Fidhle007
                            I can fly, motherfucker
                            • Oct 2005
                            • 7209

                            #14
                            Yeah, dumping it was my big mistake.

                            How's next wednesday? Maybe we can get some of the seacoast people to go too.

                            PS: fixed my typo. I try not to launch at five million rpm because that's way above my engines peak hp mark and makes for bad launch times.
                            '89 325is S50 Track Montser
                            '04 X5 Daily/Tow Vehicle

                            http://www.avarestoration.com

                            http://www.myspace.com/brendanfiddle


                            Click here if you want to be my zombie slave...

                            http://www.youtube.com/user/Fidhle007

                            Comment

                            • PeaveyBassist
                              No R3VLimiter
                              • Sep 2004
                              • 3511

                              #15
                              Start launching lower. About 2000rpm and get the clutch out all the way as fast as possible without spinning. If it spins, let the clutch out slower. Also, if it doesnt spin right away then launch higher. Its all about trial and error.

                              Will
                              RIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
                              Welcome e30 (brilliantrot '90 325is) 12/23/06
                              DaveCN = Old Man
                              My signature picture was taken by ME! Not by anyone else!



                              Originally posted by george graves
                              If people keep quoting me in their sig, I'm going to burn this motherfucker down.

                              Comment

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