need info on 01 4.6l crown vic
Any 4.6 after 98 is on a returnless system. 42's are fine. Don't go w/ an FMU. Upgrade the pump in the tank.. Either a aviator pump or if you want over kill look up the bosch 044 pump. $200 and its rated close to 300 lph. Plenty of fuel. No need to upgrade the rails. Those hypereutectics will fail much before the rails need to be upgraded.
-Mark
-Mark
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98' cobra
98' cobra



