XE 268 cam

with a lot of CR you canĀ“t even use one of the springs ..in the kit.. they are too "light"... I used Ford OEM Springs ...
from a 68 302 Mustang... now the timing curve is
perfekt !.... and yes 17 / 18 deg @ idle is the minimum to use... less... and the engine runs like crap...
Greetings Juergen