S550 GT350 Intake Swap

Discussion in 'How To Forum' started by steveespo, Feb 15, 2016.

  1. cloud9

    cloud9 Gary

    Messages:
    6,581
    Likes Received:
    5
    Joined:
    Nov 29, 2010
    Location:
    Sioux Falls, SD
    Awesome Steve 8) Can't wait to see the dyno numbers.
     
  2. ArizonaBOSS

    ArizonaBOSS Because racecar. Moderator

    Messages:
    7,459
    Likes Received:
    809
    Joined:
    Dec 6, 2010
    Location:
    Arizona, USA
    Still in for results!
     
  3. Mad Hatter

    Mad Hatter Gotta go Faster

    Messages:
    1,519
    Likes Received:
    254
    Joined:
    May 6, 2013
    Location:
    Santiago, Chile
    Any news??
     
  4. steveespo

    steveespo Lord knows I'm a Voodoo Child Moderator

    Messages:
    3,221
    Likes Received:
    292
    Joined:
    Mar 6, 2011
    Location:
    NY Metro
    Car is running great, no dyno yet. We will be running both 21 cars at Watkins Glen this weekend so comparative speed data and acceleration performance will give some indications on how well the S550 car performs vs the heavily modded S197 car. Black Boss is bringing his scales so I can get some weight data and maybe tweak the balance on the coil over equipped S197. Cars will both be running the same tires, and the same brake pad combinations. Other than than the S550 is on stock springs, dampers and sway bars.
    Steve
     
  5. mnmike59

    mnmike59 TMO Intermediate

    Messages:
    97
    Likes Received:
    60
    Joined:
    Jun 15, 2016
    Location:
    Prior Lake
    Any updates? This is something I plan on doing next month, would love to hear about the Dynotech results and tuning.
     
  6. steveespo

    steveespo Lord knows I'm a Voodoo Child Moderator

    Messages:
    3,221
    Likes Received:
    292
    Joined:
    Mar 6, 2011
    Location:
    NY Metro
    No Dyno results but some speed data from WG and Road America. At the Glen the new car ran 142 on the back stretch to the bus stop. Old car 147. The new car did not have the R wing on it at that event. Lap times were inside 1 second of each other with old car quicker at 2:14.2. At Road America with the R wing in place the new car topped out at 144 mph, lap time of 2:34.07. Last year in the old car, top speed there was 151 mph but best lap was a 2:35.79. Downforce from the wing really helped and so did the fresh R7s. Last year ran on Pirelli DH slicks. My thought is the new car is putting down about 420 to the tires vs the 443 of the old car. Big difference being the ARH headers. This is also based on Dyno results that JDM engineering got when Dyno tuning a car with the exact combo and processor strategy as mine. I'm basically running a clone tune from that session. The header issue will be resolved over the next few weeks as I have a set of ARH long tubes ready to install. Steve


    Sent from my iPhone using Tapatalk
     
    LERCH likes this.
  7. cornercarvin

    cornercarvin TMO Intermediate

    Messages:
    24
    Likes Received:
    18
    Joined:
    Sep 29, 2017
    Location:
    Georgia
    bringing this thread back to life...whats the progress??
     
  8. steveespo

    steveespo Lord knows I'm a Voodoo Child Moderator

    Messages:
    3,221
    Likes Received:
    292
    Joined:
    Mar 6, 2011
    Location:
    NY Metro
    Too much heartbreak to elaborate on but with the headers on the car went 2:08.52 with a 151 mph speed at Watkins Glen in September of ‘16. A new chapter in S550 use starts in 3 months when my PPL2 arrives.


    Sent from my iPhone using Tapatalk
     
    TymeSlayer likes this.
  9. cornercarvin

    cornercarvin TMO Intermediate

    Messages:
    24
    Likes Received:
    18
    Joined:
    Sep 29, 2017
    Location:
    Georgia
    Oh man, that doesnt sound good..sorry to hear. Out of curiosity did you go with the 10spd auto or stick with the manual? I only ask because im curious as to how those transmissions are going to hold up with track use.
     
  10. steveespo

    steveespo Lord knows I'm a Voodoo Child Moderator

    Messages:
    3,221
    Likes Received:
    292
    Joined:
    Mar 6, 2011
    Location:
    NY Metro
    Performance Package 2 comes 6 speed manual only. A source with ties very close to the transmission manufacturer has told me the new 10 speed is very reliable and performs very well. Don’t be afraid to buy it for track use.


    Sent from my iPhone using Tapatalk
     
    ArizonaBOSS and VoodooBoss like this.
  11. cornercarvin

    cornercarvin TMO Intermediate

    Messages:
    24
    Likes Received:
    18
    Joined:
    Sep 29, 2017
    Location:
    Georgia
    Too late for me on the 10 spd. I am already well into a 15 dedicated track build and wouldn't know where to start installing paddle shift. I am however looking at doing the tremec xl swap in the next few weeks.
     
    VoodooBoss and ArizonaBOSS like this.

Share This Page