Yeah I am seriously running all of that stuff. I don't even have the stock maf housing anymore, maybe a trip to the yard for one. Cus I seriously don't want to ruin this engine. Assuming enough fuel what would be a safe psi to run with the stock maf?

ATX MTX swap, rear drum disc swap, drilled rotors, ported intake, optim throttle body, CAI, 7.5L MAF, adj. fuel regulator, longtube headers, underdrive pulley, no EGR, low inpedence bigger injectors, 2002 Focus Swap