400 w/ 7.4:1 SCR

MOPARMAGA said
Put the thin factory gaskets on it, I used the 474 purple shaft in my old 73charger with a stock converter & 2.7something gears. Carter 625 carb. Also 1 3/4 headers, made that 400 come alive

What thin gaskets are you referring to? I was planning on using the Mr. Gasket 1135G's.