Originally Posted By fast68plymouth
Did you do the rocker ratio swap independant of the additional head porting ?...

Yes, this was independant. I did the head porting and CR bump first...baselined with my CompCams 1.5 ratio roller rocker arms, then moved to the Crane 1.6 ratio.

It took me a while because once I measured the pushrod length I found out I needed new stuff, which is what I ordered from Smith Bros.