HELP got rust in fuel rail

[butchville]

engine bay set empty for 3 months while i rebuilt trans an got new motor ready put it in an run good about 5mins.had a miss then found a bad injector new set of flowed an cleaned.1bad ok replaced. still a miss changed wires an plugs still missing, pulled fuel rail again another bad injector except found rust in it so i pulled all an they have rust in them all any way to back flush them an also need way to flush the fuel rail. any ideas. maybe run fuel pump an dump rail in a pan but what about the injectors, anybody ever pressurise from the bottom an trip them with say a nine volt battery to reverse flow them. HELP

[Dave96z34]

If your trying to flush the rail put a brake vac pump on the fuel reg and jump the pump with a piece of wire at the relay. Just dont run it! Sum Lucas fuel treatment may help. Or take the rail out and blast the inside with brake cleaner good.

[butchville]

took rail apart an flushed it an cleaned injectors with brake cleaner then built injector cleaner to run cleaner thur motor while running at fuel rail that fixed it thanks dave used gm topend cleaner to run in rail don't know whats in it but it makes brass look new an it must have helped desolve the rust in the injectors bad stuff.