Bigg Tim 71

Hi I am new to this club i have a 92 sc400 with 60k iam starting to modify it ihane punched the to small cats attatched to the manifolds and replaced the one in the middle with magnaflow x pipe and have to flowmaster mufflers and optima battery and new bosch irridium plugs and wires and replaced distributor caps i have ordered a 255lph fuel pump and was wondering if i need to delete the ecu for fuel pump or will i be fine in leaving as is any help would be appreciated