Thanks for posting motor back together,This the first motor ever i didnt total assembly my self heads valve springs etc. I found 1 guess 939 springs i guess on the heads. The box listed 936 spring Difference 130lb at 1.950 370 @1.350= 936 sprngs on motor are 145 @1950 426 at 1.9250 I guess 939 both 1,538 odi break cam in without inner springs and Amzoil br oil. Everything went great.I bought head fully ported 360-1 heads by BGR Called Bob abut heads he had flow numbers about heads t he motor was built by BGR racing,Long story short to motor to my guy flowed heads and put crank connecting rods
s bore honed assembleds heads etc. put whole motor together. Had indy rocker on motor and could not keep lash. Just set valves took it out starting popping at 6900. Number on rocker pushed out adjuster flatten cam, cam 271 @ 50 637 lift used aszoil oil. Going with tool steel lifters 266 @ 50 cam .637motor is 11.66 to one buying HS rockers also.Going back to doing everything spring height assembly EVERYTHING, Been doing thin for 35 years , Some thing my father told me i did to due always, Cleanliness Patience and measure everything TWICE . My fault fault for not following procedure