Thats a good point, AND for a .480 lift FT cam, why 2 springs in the mix? Or didnt he get that far? Isnt that single spring territory?
Originally Posted by B1MAXX
How much preload on those lifters, Stock springs coil bind around .480 lift. Lifters pump up , go into coil bind ,wipe lobe. I would check very carefully for mech interference on those particular ones from lifter to valve seal.
