East Coast Supercharging ECS Stage 2 2003+ Fuel System - Manual (Page 9)

While the FP assembly is out of the tank,
remove any excess fuel from the tank.
Using a a file or wiz wheel with a Roll Lock
sanding disk, prepare the exterior surface of
the tank to be sure that the surface is flush
and true.
Approximately 3 inches from seam and 2 ¾ inches from
bottom of tank make a mark where you will be drilling for
the ECS in tank auxiliary fuel pick up assembly.
Using supplied 1 ¾ hole saw, drill tank as
shown being sure to de burr tank and clean
any residual debris from tank afterwards.