Stop discarding good 340 engines ! !
My 68 GTS auto wouldn’t get out of its own way till the next owner put 4.56 gears in it (and painted it Forrest green) then it ran in the 13s easy. Rittic ran a Daytona with a 360 based 377 in comp one 4, w 2 heads 7.70s @ 170s in 1/4. So 360s can make power but we talking stock. Now the guy who bought my car ordered a 74 Dart Sport 4 speed 360 hp 3.55 gear, that thing would fly, beat up many 340s on the street. Stock for stock a 340 couldn’t handle that car at the time