Hmmmm, If there was anything gained by "Port Mismatch" either way, do you suppose CNC matching would be the business it is today?
I'll go with the matched ports everytime . . I might not be 100% right but 55 years of conventional wisdom tells me that I'm close . .
Heheheheheheheheh . . .
And I'd guess, on the Dyno Runs and during the changes, they did something else that offset their results . . Depending upon the total output, 30 HP could be 20% or 2% . .