you have a big block you need open headers 4sp 355s to beat a 340 727 3.23 but cant
you called 340 e bodys turds 14.1@ 99 all day stock you are the clueless one
the nhra 383 b body is 310
in the a body the 383 its 290
the 340 is 295 with the chit 68 to 70 carb 310 to 315 for thermoquad and 6pack
the 383 a body is 15.2 @93 a complete dog
cant even beat the low comp 72 340 duster thats 14.4
but i need headers gears and slicks to beat a small block wa wa
4.10s and dp on a 340 is high 12s
the 340 a body holds many records
the 383 a body or b body hold none
I quote facts you might try it