64. Chevy 193 Swirl port cylinder heads Swirl Port Heads
The only thing the swirl port could be good for is atomizing the air/fuel at idle and low engine speeds. A ported swirl port is only going to The factory swirl port heads block off half the bowl and definitely impede the pushrod pinch area too. It's not that swirl is bad, it's a balance of having the Porting and polishing cylinder heads #diy #learning #tips #shorts ...