I'll answer my own question: if the motorcraft really has a pure one filter cartridge it ranks a 99.7 SPE which is downright awesome, and accordding to the sho site it has a damn good flow rate (better than Mobil1 even).

I'm switching back to motorcraft!!!


97 Contour SE MTX K&N 3530, UR UDP, 19# Injectors, mystery mod, FMS wires, Fordchip.com chip, SVT: TB, Flywheel, clutch, exhaust 04 Grand Caravan SXT