Chicago,
Injectors are available in different heights. You may already be aware of that; I've got short ones on my 460 - there may or may not be shorter ones available for your engine but might be worth looking into. Of course, they need to have the correct wiring connectors (or available adapters), lbs/hr rating and fit the fuel rails too.
The Canton pans for my 460-based engines look fine, have sumps/trapdoors/scrapers etc etc but don't work - I could even get a quick drop in
oil pressure every now and then from a flick of the steering wheel on the street. If you track the car at all you will still need an Accusump - guess who makes those?
Trying to help
Tom