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Message: <blockquote data-quote="IMPORTKILLER" data-source="post: 995277" data-attributes="member: 9529">So I was on the Dyno last week at MPH (Modular Power House ) in Rockford Il, Tim was tuning my car.My set up is as follows1996 CobraDSS Super Mod Shortblock, Teksid Block ,H-Beam Rods, X-groove Forged pistons, ALL ARP bolts.Procharger D1SC, pushing 18-20lbs, Procharger 3-core intercooler.Aeromotive, 340 Stealth fuel pump with a Kenne Bell Boost-A-Pump, -AN8 supply -AN6 return, 60lb injectors Aeromotive Fuel regulator/ Aeromotive Fuel rails.I am pushing 500RWHP at 4500 RPM and then the motor starts to run into a lean condition.I have 40-60lbs of fuel pressure at the rails.I replaced the stock alternator to be sure my voltage stays strong. I have a Diablosport Mafia at the MAFAny one have any idea what could be causing a lean condition ?? Has anyone has this issue and if so what was the fix.Thanks for taking the time to read. I am really trying to sort this out now.....</blockquote>