Edelbrock Torker II 340 on a 1966 273 v8??

the pin can be removed-- i'm guessing you're talking about the one on the rail between the cylinder banks.

which edelbrock part number?

and what are the specs of the motor?
Motor is Stock, here are some pics

Captura de pantalla 2025-03-19 a la(s) 8.27.51 p. m..png

Captura de pantalla 2025-03-19 a la(s) 8.32.48 p. m..png

Captura de pantalla 2025-03-19 a la(s) 8.32.24 p. m..png