stage 2 or 3 comp cams work on stock piston?

[JAYSVT06]

Anyone tried or have stage 2 or 3 cams snd did the valves hit the piston? Can this be done on s factory longblock with no valve reliefs
Or is it all on how you set and degree the cams if the valve will hit the piston or not also can these be installed with engine in car

Thanks to anyone who replies

 

[cozmo2806]

Its all in how you degree them. It has been known that if you try and degree comp stg 3 to their specs that the PTV is dangerously close.

 

[JAYSVT06]

Its all in how you degree them. It has been known that if you try and degree comp stg 3 to their specs that the PTV is dangerously close.

Thanks! ill ahve check comps site out n read... but more than likely ill do stage 2... prob more street friendly neways and still have a decent idle