just for the part numbers
The external pumps used in Ford F150 fuel injected trucks from the 89-93 model years are
Delco EP286
. At 12 volts, the operating pressure is 70-95 PSI with 36-40 gals per hour. The
biggest Delco pump is the
EP424
, which is 75-90 PSI at 40 gals per hour. EP 268 is a GM#
25117086, EP 424 is a GM# 25176156.