68 barracuda 383s "Driver Paint Resto"

Little update, pretty much have the car almost ready for epoxy, not to sure about how clean is good enough for the epoxy. I have evidence of surface rust on the underside of rockers and few other spots. You can see in pics but i do hope to get the spots a bit cleaner tho..I got ahold of a SPI dealer that (I hope) is shipping me the SPI epoxy, I am pretty sure SPI does not recommend any rust neutralizer under there epoxy just there (SPI) metal cleaner .. any suggestions
Thanks

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