IMO the entire layout of that turbo isn't setup for optimal performance. For example the intake piping that first runs beside the exhaust pipe to the intercooler, then from the intercooler to the throttle body over the valve cover, then the intake filter placed inside the hot engine bay. That all adds up to even hotter intake air, which could have been reduced a lot running a different piping layout.
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
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