[ujslost]

Does anyone know that if you put the pi cams on the npi heads do the valve springs need to be set up for those cams. I know usually if you do your motor the right way using a custom grind cam you usually need to have your valve springs set up to match your particular camshaft. And I dont mean do I need differant springs. Valve springs are suppose to be set up for specific cams sometimes (even if they are rated at the proper lift)

[Boomer]

Being the cams share the same base circle you have no worries.A aftermarket camshaft may have a larger base circle which would require adjustments to insure the valves close full, Changing valve seats or setting the valve deeper in the head/chamber also require inspection.