Not a A-body but a couple of questions about a 318.

I have a ld4b on a 318 with a street demon 625 carb, everything else is stock.
Made a difference from the 2bbl.
Its in a 78 power wagon with a granny low 4-speed, 3.55 gears it pulls good.
I think I am going to update the stock single exhaust to headers and duels this spring.