Low rpm torque is better with shorter duration cams.
Mild cams are much easier to live with.

You have lobe height, lobe center seperation and lobe width as variables.

A taller lobe opens the valve further but the springs must have enough room between their coils so they don't contact (stack). They require more force is from the springs at high rpm to close the valves.

Wider lobes(more duration) give better breathing and higher rpm. The springs have to be up to the incrased rpm to prevent valve float.

Lobe centerline is more difficult. In my work with Mercruiser 3.7 liter 4 cylinder engines, it was important to have 115 degrees between the lobes. I will look up the reasons.
I ran another 4 cylinder engine of that size with 112 degrees between the lobes and it seemed ok.
The little 1200 engine will differ in its cam requirements from the larger engines.