273 Commando Engine Build
66fs said
heads flow into the 190s with minimal clean up.
Click to expand...
That's about 5.7 cfm per cid for a 273, a 360 would need 256 cfm heads and a 340 = 242 cfm, 408 = 291 cfm.
She should breath and spin well and enough cfm to make mid/high 300 hp.
Print