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    Thread: Launch Control

    1. Member
      Join Date
      Feb 5th, 2002
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      East Hampton, CT
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      2013 Audi A3 Premium Plus S-Line Quattro - Nav and Sunroof - Brilliant Black - APR Stage 2
      10-22-2019 10:17 PM #1
      Tried it today. Nice 0-60 time with wide tires:




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      2013 Audi A3 Premium Plus S-Line Quattro - Nav and Sunroof - Brilliant Black - APR Stage 2, APR intake, turbo inlet pipe and downpipe, R8 Coilpacks, GFB DV+, S3 Matt Chrome Mirror covers, aspherical mirrors, Maxton Design RS3 Rear Spoiler Extension, RS3 Badgeless Grille, P3Cars Vent Multi-Gauge, ORT (Open Road Tuning) RS Spec Coilovers, 3SDM 0.01s 19X8.5 et42 offset wheels

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    3. Member
      Join Date
      Mar 24th, 2008
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      2008.5 A3 2.0T FWD (RIP), 2013 A3 2.0T quattro
      10-24-2019 08:38 PM #2
      That seems...quite quick for Stage 2. However the thing to keep in mind is that guage is using OBD-II data to measure, correct? That's often inaccurate for a variety of reasons. You really need something that uses GPS, like Dragy or VBOX, to get a true and accurate result. Either that or external timing like you'd see at a track or via an optical fifth wheel (this is what car mags used to use but most have transitioned towards professional high-end VBOX type units).

    4. Member
      Join Date
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      East Hampton, CT
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      2013 Audi A3 Premium Plus S-Line Quattro - Nav and Sunroof - Brilliant Black - APR Stage 2
      10-25-2019 10:58 AM #3
      Yes OBD, p3Cars Gauge with track package. If it is a one or two 10ths off, it's still pretty quick.
      2013 Audi A3 Premium Plus S-Line Quattro - Nav and Sunroof - Brilliant Black - APR Stage 2, APR intake, turbo inlet pipe and downpipe, R8 Coilpacks, GFB DV+, S3 Matt Chrome Mirror covers, aspherical mirrors, Maxton Design RS3 Rear Spoiler Extension, RS3 Badgeless Grille, P3Cars Vent Multi-Gauge, ORT (Open Road Tuning) RS Spec Coilovers, 3SDM 0.01s 19X8.5 et42 offset wheels

    5. Semi-n00b
      Join Date
      Jul 28th, 2019
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      Melbourne Australia
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      Audi S3 2007 8P
      10-27-2019 05:37 AM #4
      If it's using the abs to measure distance it's far far more accurate than a gps

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    6. Member
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      Mar 24th, 2008
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      2008.5 A3 2.0T FWD (RIP), 2013 A3 2.0T quattro
      10-27-2019 12:45 PM #5
      Quote Originally Posted by brucefil View Post
      If it's using the abs to measure distance it's far far more accurate than a gps

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      LOL what? Why do you think nobody uses OBD-II data for acceleration times...at least no one that claims to have credible times. Why would devices like VBOX and Dragy exist?

      OBD-II data (including ABS and VSS signals) can be highly inaccurate. Wheelspin, however little (i.e. AWD cars), tyre size, tyre wear, road conditions, etc. all will introduce significant errors into the result. I've done 0-60 before on OBD-II data at like 3.x seconds--my car is certainly nowhere near that fast though. With a FWD vehicle you can probably get it to read 2.0s no problem, just due to wheelspin. It's not accurate (it should be a good bit more accurate with an AWD car at least though).

    7. Semi-n00b
      Join Date
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      Audi S3 2007 8P
      10-28-2019 04:34 AM #6
      So a GPS which measures by parts of a meter is more accurate than missing a few cogs on an abs ring. People sell these meters because people buy them.

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