DLF
Dedicated LVC Member
If the pumps are designed to run 100% all the time then why does the fuel pump driver need to be in the car to vary their output?
The stock Gen 2, '03-'04 Cobra and Focus pumps are designed for the FPDM, but if you're just going to use a pair of generic Walbros like the GS342's then using relays is fine.