I believe Tlowe engine dyno tested this combo, stock head then switched to a larger valve head, but w/lumps installed?

Ask Tlowe.

If you do the valves & camshaft change, you will see a difference for the better.

I you are not gong to install lumps ports I would profile the intake boss as to make the intake port window bigger & will not loose too much port velocity by leaving in the boss.

You want to have port velocity up to keep the torque of the engine.
Truck application, correct?

MBHD


12 port SDS EFI