I'm running a set of AFR springs now that was set at #160/165 on the seat.
just tested them and they are at #155/160 now. Should I replace them???
the cam is a HR 242/248 at 50 646/646
I was just told that they should be set at #125/130 on the seat for that cam
is this true????
cam designer said #160/165
local machinist said #125/130