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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...

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