NEED CAM HELP BAD[ PLEASE]

[sleeper_stang]

IVE GOT A 1992 5.0 STOCK REBUILD STOCK VALVE RELIEFS WITH GT-40 X-303 HEADS AND 1.6 ROCKERS IVE GOT A F303 CAM 512/512 LIFT AND A COMP CAMS XE274HR 555/565 LIFT WHATS THE BIGGEST CAM I CAN RUN IN A STOCK 5.0 IVE BEEN TOLD I COULD RUN THE 274 CAM ,I KNOW I CAN RUN THE F PLEASE HELP THANKS

 

[Modular2v]

only way to know for sure is to do the clay method and check for clearance