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  1. Pro60modman

    GT500 dropping fuel pressure at WOT.

    Alright so I have a 2008 GT500 that is giving me fits. JLT big carbon fiber intake, Kooks LTH, and 2.6" Metco pulley and idler kit. First thing it did was drop fuel pressure at WOT down to about 10psi by 4800rpm. Replaced the pumps with Deatschwerks 300M, fuel filter(old one was recently...
  2. Pro60modman

    Join Date Dec 2017 Posts 8 2008 GT500 breaking up past 5000rpm and voltage spikes.

    Tuning an 08 GT500 that was a bit of a basket case. Injectors clogged, bad fuel pumps and bad PPRV. Put ID1050X injectors in then saw on the log it maxxing out FPDC and dropping fuel pressure to 10psi by 4800rpm . Deleted the PPRV, maxxed out the FP voltage in areas where pressure dropped and it...
  3. Pro60modman

    Need help tuning Idle, MAF X-fer etc

    Reset your KAM by unplugging the Neg battery cable and turning on the high beams for a minute and put it all back together. Start the car, and drive it around until its fully warmed up Unplug your TPS and ISC Adjust the throttle blade screw to the point the car will barely idle Turn the car...
  4. Pro60modman

    Need help tuning Idle, MAF X-fer etc

    The Lasota manuals are very helpful. He goes into the step-by-step to set the car up for open or closed loop MAF tuning. I had a customer give me all his tuning gear after he gave up trying to tune his car and I read through his SCT manual. I could have spent $75 years ago and not gone through...
  5. Pro60modman

    Need help tuning Idle, MAF X-fer etc

    Tuning the Mustang is pretty easy. Setting it up for tuning can be difficult. You can tune the MAF transfer two ways. First you setup the Live Link logging software. Monitor RPM, TPS, Open Loop Flag, MAF counts, Spark final, Coolant Temp, ORANGE WIRE INPUT(rename it AFR), STFT and LTFT. Second...

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