My 340 getting 6 mpg

Mopar64340 said
Whats your set up ?

.30 over 10-1, similar cam, Ede. air gap, IMM built Indy X heads, Holley 770 street avenger, Vac sec. headers, 323 gears , and my vac advance isn`t hooked up either.
18* btdc
I think double pumper and gears are killing economy.