273 or NOT 273?

This an engine masters 273/292 473 hp at 7,900 rpm
It's got fully ported old school EQ heads

"Hemirunner said:
Stock 273 block 8 sleeves and 3.75 bore for 292 cubic inches
Stock crank
5.4 H-beam Ford rods with EDM pin oiling
Diamond custom pistons with crappy 1/16 ring package
Wet sump oil pan and HV pump with oil crossover
Iron magnum style engine quest heads w/roller rockers, jomar girdles and pushrod oiling
Comp solid roller cam and lifters
Lots better parts today to make way more power"


View attachment 1716334567

View attachment 1716334568
That's IQ52/Jim's build. Ya ain't gonna get much more.
Lots better parts today to make way more power"