Just use a motorcraft filter, they have the better drainback valves and filter median. I use to cruch filters when working at an environmental waste disposal plant. So I know what is inside them.
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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