It depends on how high you want it to sit up. But if you don't want it to sit up high,and you just want it lifted enough not to rub,3 inches. 4-5 inches will give it more than enough space not to rub but will also look good with 24s!!
it will need to be lifted
Yes.
Yes
For a 2001 Ford Crown Victoria : It weighs ( less than 2 tons )
Yes.
It should be a direct swap.
Bank 2 is the drivers side of the engine in your Crown Victoria
According to the 2001 Ford Crown Victoria Owner Guide : ( 19.0 U.S. gallons )
According to the 2001 Ford Crown Victoria Owner Guide : ( 19.0 U.S. gallons )
The fuel pump on a 2001 Ford Crown Victoria is located in the fuel tank. It pumps fuel directly from within the tank for maximum efficiency.
On a 2001 Ford Crown Victoria : The air suspension switch is in the trunk , on the drivers side ( there should be a label beside the switch )
5/w20 ========================================================= For a ( 1993 ) Ford Crown Victoria ( 5W-30 is the PREFERRED oil ) 2001 and newer Ford Crown Victoria Owner Guides show to use 5W-20