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Message: <blockquote data-quote="Lee12609" data-source="post: 786585" data-attributes="member: 12415">now you have me confused...you dont have knock sensors, or any way to monitor detonation, so you lost me.also, the pressures you listed are WAY too high. this could be partly due to the fact that the car is running lean during closed loop, the rail pressure is increased (along with injector pulse width) to add more fuel. alot of people complain about raw fuel smell when infact its not even close to running rich. when i first installed my vortech the base tune had my car at 11.2:1 afr at idle, could i smell unburnt fuel, NOPE. my best friend has a 500whp lightning, at tip in it blows a HUGE cloud of black smoke (extremely rich) and you cant smell a thing. on the other hand a 2000 gt i tuned with o/r exhaust and bolt ons smells horrible at idle, but a/f is perfect as are fuel trims obviously. i would invest in a wideband, or see if you can get some time on a dyno, not just for WOT tuning, but to ease your mind about the rich condition you possibly have at idle/part throttle, but i'd personally just get a wideband and street tune it.give it a few days now that the vacuum leak is fixed and see how you feel. where was the leak btw?PS, did you get the injectors yet?</blockquote>