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So what will cause me to lose 10+ mph on the dyno?

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  • #16
    for the record I should be low 10's too

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    • #17
      Originally posted by speedo View Post
      for the record I should be low 10's too
      Yep, and mine is a 8 second car all day lonG! dance
      2001 Trans Am All Motor 9.75 @139mph

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      • #18
        Originally posted by ramairws6 View Post
        Hahahaha...............shoulda, woulda, coulda! :funny shit:
        There ain't no shoulda, woulda, coulda. :smile tease:

        Originally posted by speedo View Post
        for the record I should be low 10's too
        Yeah you should once you port your fast! :shitsweak:

        Originally posted by ramairws6 View Post
        Yep, and mine is a 8 second car all day lonG! dance
        Gut it and it will

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        • #19
          thats what I run and your making more power then me..6spd FTL!

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          • #20
            same tires? same dyno? different data input in tire size? slipping clutch?

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            • #21
              Originally posted by Jonny Piff View Post
              thats what I run and your making more power then me..6spd FTL!


              Originally posted by Fotoboy View Post
              same tires? same dyno? different data input in tire size? slipping clutch?
              A 26" tall tire is 26" tall, and yes same dyno, nope, no clutch never once slipped on me.

              I love your sig

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              • #22
                Originally posted by BLU BYU View Post




                A 26" tall tire is 26" tall, and yes same dyno, nope, no clutch never once slipped on me.

                I love your sig
                Obviously you give a shit your the 1 who posted about it

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                • #23
                  OH shit jonny got jokes!

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                  • #24
                    Originally posted by BLU BYU View Post




                    A 26" tall tire is 26" tall, and yes same dyno, nope, no clutch never once slipped on me.

                    I love your sig
                    If it was at the same dyno, have the dyno operator graph wheel speed vrs calculator gear ratio (rpm/mph), have both your old run and your new run pasted over eachother. The lines should look fairly close, but if there is a sudden spike to a higher gear ratio (rpm/mph) towards the top it could be a sign that the tires were just starting to spin a lil bit. Might be just hazing enough that you can not see.

                    If you have a copy of the dyno files, I can do this for you.

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                    • #25
                      Originally posted by OSOFEW View Post
                      If it was at the same dyno, have the dyno operator graph wheel speed vrs calculator gear ratio (rpm/mph), have both your old run and your new run pasted over eachother. The lines should look fairly close, but if there is a sudden spike to a higher gear ratio (rpm/mph) towards the top it could be a sign that the tires were just starting to spin a lil bit. Might be just hazing enough that you can not see.

                      If you have a copy of the dyno files, I can do this for you.
                      I doubt it's a dyno issue as he has been to the track already and the times don't lie. I really think he has a mechanical issue but thats just me...........
                      2001 Trans Am All Motor 9.75 @139mph

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                      • #26
                        Originally posted by ramairws6 View Post
                        I doubt it's a dyno issue as he has been to the track already and the times don't lie. I really think he has a mechanical issue but thats just me...........
                        What he said! ^^^^^^^^^^^^^^^^^

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                        • #27
                          Originally posted by ramairws6 View Post
                          I doubt it's a dyno issue as he has been to the track already and the times don't lie. I really think he has a mechanical issue but thats just me...........
                          Didn't say it was a dyno issue. Said you can use the data from the dyno to diagnose it. A change in calculated gear ratio can show a possible driveline slippage issue, IE, light tire spin, or clutch slippage.

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                          • #28
                            Maybe this issue was the rearend causing problems before it exploded!?
                            2001 Trans Am All Motor 9.75 @139mph

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                            • #29
                              Hmmm. must have been quite the power robbing friction in there.

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                              • #30
                                Wow, Holy old threads Batman.

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