The Mustang Forum for Track & Racing Enthusiasts

Taking your Mustang to an open track/HPDE event for the first time? Do you race competitively? This forum is for you! Log in to remove most ads.

  • Welcome to the Ford Mustang forum built for owners of the Mustang GT350, BOSS 302, GT500, and all other S550, S197, SN95, Fox Body and older Mustangs set up for open track days, road racing, and/or autocross. Join our forum, interact with others, share your build, and help us strengthen this community!

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  • TheTed
    I have. They offer a GTD style as well as two other vented hood styles, and are another consideration. Another produce they have that I'm looking at is the full-span Gurney flap to replace the 2/3 factory Gurney flap that the car came with from... (see full post)
  • Back when dinosaurs roamed the earth and I had a supercharged 2011 GT track pack, I did a lot of tuning work on the car myself using the SCT toolset.One of the things I recall, vaguely, is that the OEM tune holds the throttle slightly open and... (see full post)
  • Have you looked into any offerings by Anderson Composites? Not sure what S650 options they have, but I have been considering getting a CF hood from them as I don't want to cut my OE hood. (see full post)
  • TheTed
    I have a 2025 Dark Horse Handling Package which spends a good amount of time on the track, but is a dual purpose car that also sees a good number of street miles. Bought it in January and it's got nearly 6k miles on it so far. The cooling system...
  • Skidmarc replied to the thread Blacksheep Creds.
    Sorry about that, I resurrected an old thread. (see full post)
  • Junkyard Dog
    Junkyard Dog replied to the thread Blacksheep Creds.
    Oh, I just realized the first post is not a new announcement. (see full post)
  • Bill Pemberton
    Bill Pemberton replied to the thread Blacksheep Creds.
    Your "Cred " here is monumental and those just finding TMO will soon learn why you are considered the " Tire Guru." They will also learn some technical terms and will eventually learn the differences between a wheel and a rim, ha! Your long years... (see full post)
  • I suspect it’s the combined effect of a lightweight flywheel, clutch, and driveshaft, all of which reduce rotational inertia on the engine, plus the 3.73 gears which are forcing the engine to slow more quickly. All of that combined might make... (see full post)
  • mwjscn
    So to start troubleshooting, does the behavior continue when the stock OEM tune file is loaded back in? (see full post)
  • Firefighter46 replied to the thread S197 BackInBlack.
    It's a matter of staying at it, and not losing interest and hope. Even at the OE level, with all our resources and "smart" people, sometimes conversations over beers on a Friday after a week of beating our heads against a wall did more for moving... (see full post)
  • The multiple file revisions were only to try and address the new issue. None worked. To clarify, the tune file that’s been in the engine for the past two years running amazing was not changed when these new symptoms started after the new... (see full post)
  • Junkyard Dog
    Thank you. I can now find them at Ford online and at RockAuto.com. :thumbsup: (see full post)
  • mwjscn
    In your OP you state the car is Lund tuned with multiple file revisions?Since you said you did no hardware modifications to the engine that require tuning, flash the stock tune back in and see if you get Deceleration Fuel Shut Off behavior back. (see full post)
  • I get it, but what caused it? What caused the change? Nothing on the engine/tune was touched.No, the pops and crackling is not part of the tune. Same file as before the drivetrain. (see full post)
  • mwjscn
    Like GAR944 said, normal OEM behavior is that the fuel injectors actually shut off during off-throttle coasting in gear. You can hear the transition when the exhaust gains that subtle deeper rumble (it takes a mere moment to kick in once you get... (see full post)
  • GAR944
    GAR944 replied to the thread S197 BackInBlack.
    I'm sure I've said this before, fingers crossed for you mate. The perseverance you have shown chasing this is wild. Got to have a win sometime. 🙏 (see full post)
  • GAR944
    Is the crackle part of the tune? Taking a total stab here. Excess fuel on over run, rather than fuel cut on closed throttle normally, with timing still firing before exhaust valve opening sufficiently to dump gases out exhaust. You are still... (see full post)
  • GAR944
    Exedy Hyper Single has been everyones recomendation. Depends on usage though. Yes its streetable, would i want to drive it in traffic daily, hell no. Its a firm pedal and bitey, very limited slip. No officer, i can't get it off the line in the... (see full post)
  • TheTed
    That's an interesting read (or re-read, I think I've seen it before). Ultimately, it's normally been dictated to me what is required by the organization/track running the event. I run a 4-point harness with a HANS (although I'm thinking I may... (see full post)
  • So check this one out. Just finished up a project on my '12 GT replacing the entire drivetrain; McLeod clutch & billet lightweight flywheel, Calimer state 3 tranny, DSS one piece driveshaft, completely overhauled axle with 3.73 gears (from...
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