It will take only one muscle car with a rear mounted exposed electric fuel pump to be involved in a fender bender with a loaded school bus for all this electric fuel DIYI upgrades to go legally bye bye. Taking that into account, installing one of these might save you and your car also.
https://www.summitracing.com/parts/rfw-cr92/overview/ How about putting late model airbags in it and an aftermarket ABS kit too
Do you actually have an old car and if you do does it have all these politically correct additions?
Gus