35% off SpeedMaster
The .100, .200, .300 numbers are all you need to look at to know the numbers are “highly suspect”.
With that style of head, most of time the c/d at .100 lift is in the 70-75% range.
That
[email protected] lift is 98% on the intake.
The
[email protected] lift on the exhaust is showing 113%(13% more than what area is available).
Not gonna happen.
These were posted earlier in this thread for a cnc ported Head with a valve job.
Do you think you did enough more porting to your heads to beat the cnc heads by 25cfm?