Welcome to Just Commodores, a site specifically designed for all people who share the same passion as yourself.
How much fuel did you put back in?
Asked before and you didn't say. About 5 commodores i have done work on the fuel tank would not start and would fire for a sec then stop with 3-4 litres put back in, even a couple that had run dry while driving, needed to put 6-8 litres in before they would start.]
won't matter if the fuel is stale it'll still run (just like a sick dog), fuel filter isn't a 1 way valve so even if in backwards will still flow (putting a used filter in backwards then all the crap it's caught will end up in the injectors)