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    • Cobb Tuning posts Porsche 991.2 3.0 Carrera, S, and GTS OTS map flash tune gains

      We are nearing the release of the 991.2 Cobb Accessport which will be available for 991.2 Turbo models and 2017 on 991.2 Carrera 3.0 models. Cobb posted graphs of their OTS (off the shelf) tuning results for the 9A2B6 3.0 motor in the Carrera, S, and GTS.


      To be noted Cobb did not release raw graphs. Additionally, they do not reveal he dyno type but we know it is a corrected Mustang dyno. As you will notice the baseline figures they are designed to read like a Dynojet.

      Regardless, what is important is the difference tuned versus the baseline.

      Let's start with the 991.2 Carrera:


      Cobb gets nice gains but the graph is scaled in such a way to make it look very linear. Torque goes to 460 at the wheels at roughly 2900 rpm. They pick up 124 lb-ft over stock. Peak horsepower goes to 435.


      Next up is the Carrera S and the baseline is 403 horsepower and 376 lb-ft of torque at the wheels. Tuned the figures increase to 452 and 483 respectively.

      Less power and torque is gained over the base car as obviously the S is pushing more boost and in a higher state of tune to begin with. This highlights what a value the base car is when tuning.

      Now on to the GTS:


      423 horsepower and 409 lb-ft of torque on the baseline. The GTS of course has larger turbochargers:

      9A2 3.0 991.2 Carrera S

      Horsepower: 420
      Torque: 369 lb-ft
      Boost Pressure: 16.0 psi
      Bore x Stroke: 91mm x 76.4mm
      Redline: 7500 rpm
      Compression Ratio: 10.0:1
      Intercooler: Air to Air
      Turbos: 51mm compressor/45mm turbine

      9A2 3.0 991.2 Carrera GTS

      Horsepower: 450
      Torque: 405 lb-ft
      Boost Pressure: 18.0 psi
      Bore x Stroke: 91mm x 76.4mm
      Redline: 7500 rpm
      Compression Ratio: 10.0:1
      Intercooler: Air to Air
      Turbos: 55mm compressor/48mm turbine

      What do those extra mm's of turbo get you? 506 horsepower and 488 lb-ft of torque at the wheels.

      Compare this to the BoostAddict.com Stage 1 turbo upgrade hitting 540 wheel horsepower on an uncorrected Mustang dyno. The larger BoostAddict turbos have a significant advantage over even the X51 turbos of the GTS.

      We are still waiting for race gas figures as well as 91 octane figure from Cobb but we all already knew the 9A2B6 platform responds well to tuning.

      Hopefully more real world comparisons off the dyno begin as tunes spread out on the platform.

      This article was originally published in forum thread: PORSCHE 991.2 POWER GAINS WITH ACCESSPORT TUNING started by F16HTON View original post
      Comments 24 Comments
      1. F16HTON's Avatar
        F16HTON -
        The raw graphs from COBB will be available on the day of release...they always are. COBB is the most transparent turner in the game.

        All of COBB's previous raw OTS dyno graphs can be found here: https://www.cobbtuning.com/dyno-database/

        You should see the TIAL hybrid graphs, out of this World. (pun intended)
      1. F16HTON's Avatar
        F16HTON -
        Here is something else you always get from COBB. A complete breakdown of the dynograph, in 20 RPM increments.

        https://dyno.cobbtuning.com/dyno/get...hp?runid1=5712
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by F16HTON Click here to enlarge
        You should see the TIAL hybrid graphs, out of this World. (pun intended)
        I'm waiting...
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by F16HTON Click here to enlarge
        All of COBB's previous raw OTS dyno graphs can be found here: https://www.cobbtuning.com/dyno-database/
        Playing around with this but they aren't raw Mustang graphs. They pop up on Cobb's own generated graph.
      1. F16HTON's Avatar
        F16HTON -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Playing around with this but they aren't raw Mustang graphs. They pop up on Cobb's own generated graph.
        Every single number is directly imported from the dyno that was used to measure.
      1. F16HTON's Avatar
        F16HTON -
        If you would like, I can set you up with a session at World Motorsports to do a direct comparison.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by F16HTON Click here to enlarge
        Every single number is directly imported from the dyno that was used to measure.
        Yeah I just want the original graphs from the Dyno software. I understand the numbers are the same but I want to see it the way the dynamometer presents it.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by F16HTON Click here to enlarge
        If you would like, I can set you up with a session at World Motorsports to do a direct comparison.
        Not a bad idea.

        I guess we would essentially be comparing Gintani's tuning to Cobb's.
      1. F16HTON's Avatar
        F16HTON -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        Not a bad idea.

        I guess we would essentially be comparing Gintani's tuning to Cobb's.
        Loosely.

        I think the IC cores may help recover and potential thermal losses, I cannot imagine any scenario where the factory IC cores could outperform them.

        As much as we all applaud the German engineers, they have never released a single car with an intercooler setup remotely performs as well as quality aftermarket.

        Moreso, I think it could help validate consistency between the two dyno cells.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by F16HTON Click here to enlarge
        Loosely.

        I think the IC cores may help recover and potential thermal losses, I cannot imagine any scenario where the factory IC cores could outperform them.

        As much as we all applaud the German engineers, they have never released a single car with an intercooler setup remotely performs as well as quality aftermarket.

        Moreso, I think it could help validate consistency between the two dyno cells.
        I was hoping to do it after I got the IC upgrade and inlets but we can do both I suppose.
      1. subaru335i's Avatar
        subaru335i -
        This is big news!
      1. T.O.'s Avatar
        T.O. -
        Very excited and following closely!
      1. COBB Tuning's Avatar
        COBB Tuning -
        Click here to enlarge

        Tial Turbos on a mix of 91 and 100. Base Carrera. This car will make way more than this even just revving it another 300 RPM's.

        -Mitch
      1. axthomson's Avatar
        axthomson -
        https://www.cobbtuning.com/porsche-7...ssport-tuning/

        718 info posted. 2.0t makes good power.
      1. F16HTON's Avatar
        F16HTON -
        Click here to enlarge Originally Posted by Sticky Click here to enlarge
        I was hoping to do it after I got the IC upgrade and inlets but we can do both I suppose.
        Here you go, great place to chase a story or two.

        Click here to enlarge Originally Posted by Staff@WORLD Click here to enlarge
        PORSCHE DYNO DAY
        SATURDAY, JUNE 30th
        TORRANCE, CA
        WORLD MOTORSPORTS

        We are having our 2nd Porsche Dyno Day on Saturday, June 30th. Please let me know if you would like to reserve a spot on the dyno day to test your car.

        Come out and meet other Porsche owners, all are welcome. We will have food and drinks available to all. Dyno day starts at 8 AM and goes until 4 PM. We will be providing each participant with 3 pulls and we will include air/fuel with each run.

        Our dyno has been calibrated specifically for Porsches and we are looking forward to a great turn out. Please feel free to PM me on here or send me an email at CPAISLEY@WORLD-MOTORSPORTS.com
        ​​​​​​​
      1. BlackJetE90OC's Avatar
        BlackJetE90OC -
        I always thought the base had same turbos as the S, the difference was tune only. Cobb's blog says otherwise.
      1. Sticky2's Avatar
        Sticky2 -
        Click here to enlarge Originally Posted by BlackJetE90OC Click here to enlarge
        I always thought the base had same turbos as the S, the difference was tune only. Cobb's blog says otherwise.
        https://www.porscheboost.com/content...ocharger-sizes
      1. F16HTON's Avatar
        F16HTON -
        COBB released 991.2 and 718 software today

        https://www.cobbtuning.com/accesspor...-718-vehicles/
      1. ///M3THOD's Avatar
        ///M3THOD -
        Now that I am in the correct thread.. lol.

        I will receive my Accessport tomorrow and install.

        Im going to try and dyno it next week so I can share my actual realized gains (with consideration to my additional mods) with the Stg. 1 map.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by ///M3THOD Click here to enlarge
        Now that I am in the correct thread.. lol.

        I will receive my Accessport tomorrow and install.

        Im going to try and dyno it next week so I can share my actual realized gains (with consideration to my additional mods) with the Stg. 1 map.
        Kindly leave the dyno on this site and I'll write up an article on it.