good info guys, thank you. i should've been more specific about my particular application in that i do not need to be smog-legal and i have a SD system currently.

if i was to add a twEECer piggyback controller would i be able to clean up these areas of the fuel map to restore the performance and mileage that is lost with the removal of the EGR?

i'm thinking of getting one anyway for some future mods.

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-jb

'63 Galaxie 500, dropped on 20s, EFI 5.0 swap in progress.