Welcome to 505 Performance
Valve springs need to go in at install
height of 1.700 to 1.750 that will give you 90 to 105 ibs. Check coil
bind it should be right at 1.150 the machine shop must cut the spring
pockets .125 deeper than factory so the springs will set down in head
properly. The pre load on lifter needs to be .020 to .040 which is
between 1/4 *nd 1/2 turn on bolt.