Quote: Brian, in your opinion, how much would your basic stock rocker arm head pick up if you unshrouded the valves to use the head on a 4.5 bore?
i cant get over what the chambers look like on that head. never seen this post before
Depends on the valve size, and core shift. Some heads have decent room in one chamber, and the next one will be tight. On some more exotic heads, you actually want to shroud the intake valve some.... Brian
