Nice quality Valve Train
He specifically said on a head that levels off at peak cfm - not stalls.
It is highly unlikely that a head will just plummit after it reaches peak cfm. If it does, it is a horrible port job. More likely is that the flow levels off for a bit, making greater then peak cfm lift a benefit.
Its not a new concept, and its not theory.
It is highly unlikely that a head will just plummit after it reaches peak cfm. If it does, it is a horrible port job. More likely is that the flow levels off for a bit, making greater then peak cfm lift a benefit.
Its not a new concept, and its not theory.
