FWIW....Bob Lambeck's 68 Dart was run as a Pro Stocker in 1971.It had a Carter mechanical fuel pump in front with a electric pump in the rear with 3/8th's line and he was running 9.70's with that car.If it worked then,it will work today.
Nautilus Racing- We use Superformance gaskets and Turbo Action converters/products.