cam's for high compression?

[AutoXer]

I am getting closer to buying a cam for my 200x and the bigger cam's are listed for high compression pistons? any one know why this is or can I use one with a 10.25:1 and get good results instead of the 12:1? And I know if its listed it is listed for a reason and not recomended but I want to know why:beer

[AutoXer]

I guess i answered my own ? Does anyone run the 40b web cam? Are you happy with it ? Does it start well when its cold? i have a 30mm mikuni and a full kerker pipe that I will run with it

[oscarmayer]

10.5:1 weisco is considered high compession as stock was 9:1 200s/e/m/es or 9.5:1 200x. so if you get a weisco piston your fine.

i run one on my 200e big red.

[AutoXer]

with cams that are bigger they want you to run a 12:1 (I don't want to go that high on the piston)