Lockup converter 904 handle a 360?

You'll need to make some changes. The stock converter will fail, as mentioned. The low gearset isn't necessarily desirable, as these cars are light to start with, plus with your 4.10 gear, it will very likely be overkill, but try it. You might like it that way. There are plenty of pages here about how to modify the 904 to make them stronger.