oval port 3931063 heads

[Twister79]

i have an 12:7 compression bbc 468 with stock 3931063 heads with stainles steel valves
my question is wat is the largest solid cam would you guys run with stock oval port heads
it a drag car no street 1/8 th mile

 

[Twister79]

i have an 12:7 compression bbc 468 with stock 3931063 heads with stainles steel valves
my question is wat is the largest solid cam would you guys run with stock oval port heads
it a drag car no street 1/8 th mile

6500 max rpm

 

[Robert1320]

What springs are in it?
How much room from retainer to head?

 

[78maliburat]

comp 306 magnum solid lift