hi i got 94 integra ls on boost i'm boosting 8psi i got a ecu in the car that's tuned to 10 pounds i have 450 dsm injectors and my fuel pressure is at 20 psi i want to go to 12 psi but when i do my car in second gear not everytime but a couple times i punch it when the car get higher in the rpm around 5500 6000 it sound like it hit limiter then i switch gears and it goes away why does it do this is it the plugs i have platinum 4's they are around the plug they black but the core is white gray color is it my ecu programed for only 10 psi no higher then that or am i running to rich no black smoke comes out of my muffler so i don't know around what psi should i be around and when i turn the boost up should i turn the fuel pressure up to please someone help me out if you know what i should do thanks.