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LIttle P1 that could.... Procharged S550

Discussion in 'Time Slip Bar' started by DarkMach1, Jan 11, 2018.

  1. DarkMach1

    DarkMach1 Well-Known Member Established Member

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    I don’t really care for dynos much but they do have their place if you stick to just one. Went to the local one I hadn’t been to in over a year. With 4.38 pulley and 100oct mix. Here were the results...
     

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  2. 4VFTW

    4VFTW Well-Known Member Established Member

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    That's about right. My car made 670whp/500wtq on PBH's dyno and went [email protected] on a pump gas tune 17deg timing.
     
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  3. DarkMach1

    DarkMach1 Well-Known Member Established Member

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    2 weeks off during Christmas time, I had to do something. Started logging today
     

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  4. 4VFTW

    4VFTW Well-Known Member Established Member

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    Nice, whose tuning it?
     
  5. DarkMach1

    DarkMach1 Well-Known Member Established Member

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    Lund still
     
  6. bunits19714

    bunits19714 Active Member Established Member

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    what kinda blower speed are you running in 4th at the end of the 1/4 ? time to pulley down a .25".
     
  7. gimmie11s

    gimmie11s Handlebar mustaches... PSSHHH! Established Member Established Member

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    Awesome! Thanks for the updates


    Sent from my iPhone using svtperformance.com
     
  8. DarkMach1

    DarkMach1 Well-Known Member Established Member

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    51000 with 4.5”. Next time I go it will be on E85 and 4.38”. And have a 4.25” in the garage

    No problem.
    Hoping it will go 9.50s and 144 with P1sc if possible this year.
     
  9. DarkMach1

    DarkMach1 Well-Known Member Established Member

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    Made my first couple passes this past Friday on +800 DA with E85. Car ran consistently 10.20s at 135 with 1.64 60ft.

    Couple problems, car is getting a CEL on back half of track for random/multiple misfire. Also boost is extremely jumpy in the entire pull. I will be rechecking plugs, checking belt tension and in my opinion the most likely cause..the IMRCs.
     

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  10. TTUhouston

    TTUhouston Mechanical Engineer Established Member

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    what gap are you running on the plugs? I had issues in the past with gapping them too wide it was breaking up a little up top.
     
  11. DarkMach1

    DarkMach1 Well-Known Member Established Member

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    .028 but I will re-check to make sure they’re still there and there’s no cracked porcelain
     
  12. TTUhouston

    TTUhouston Mechanical Engineer Established Member

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    i gapped mine closer to .026 but lund did also say .026-.028 on the gap. Good luck. 135 traps on the E85 vs. what on the 93 again?

    *edit looked back at your old posts and maybe Lund hasn't put the timing in yet with the E85 because your MPH should easily be much higher. you around 22* timing now with the E85? I assume you are trying to find this missfire before they turn up the timing. Good luck chasing it down.
     
  13. mysticsvt

    mysticsvt southernmustangandford Premium Member Established Member

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    Gotta love a Comp Orange Procharged GT :) Are you a member with us on COMR on Facebook? -Shane
     

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  14. DarkMach1

    DarkMach1 Well-Known Member Established Member

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    136-137 on 93+torco (+500DA)
    137 on racegas (getting the misfire CEL on back half of track, -700DA)

    I’m seeing 20-21. He said ceiling is 22, if it’s happy it will get up there.



    No im not. Maybe I’ll check it out tomorrow.
     
  15. DarkMach1

    DarkMach1 Well-Known Member Established Member

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    Honestly idc much for max timing, after trying race gas if I can get equal performance with a safer fuel at like 20% the cost of race gas, id be perfectly happy with e85. Lol.
     
  16. DarkMach1

    DarkMach1 Well-Known Member Established Member

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    Update:

    car now is on E85. made decent numbers.


    Car most recently got a circle D 2C converter and trans received exedy stage 2 clutches and billet intermediate shaft by Brett Lasala. Will be going to the track when I get a chance for new baseline numbers.
     
  17. mysticsvt

    mysticsvt southernmustangandford Premium Member Established Member

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  18. 4VFTW

    4VFTW Well-Known Member Established Member

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    Whose tuning it at Lund? Yolo is tuning mine and 21deg is all I see with pump E85 and negative knock.
     
  19. DarkMach1

    DarkMach1 Well-Known Member Established Member

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    Lund jr. 21-21.5 is what I see
     
  20. DarkMach1

    DarkMach1 Well-Known Member Established Member

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    Update!

    Car finally sees some track action. Not really a day I would’ve chosen but, good opportunity to at least log and get to know the new trans/converter combo.

    Weather- 92+*F, humid, 2300+ DA, no shade in which to cool the cars.

    2hr drive to track. Let cars sit to cool for a little over an hour and still every temp parameter was over 180*F, blower was basically a grill to the touch. Made 3 passes, car was very consistent and felt like I got a good grip on the launch now. Lund says car was quickly entering the high IAT tables during the passes. New PB, 60ft, 330ft, 1/8th ET and 1/4 trap But that’s about it. I’ll post a vid of what was recorded later on.
     

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