Cam for stock 318

roccodart440 said
Crane Cams 693801

Duration at 050 inch Lift:
222 int./234 exh.

Valve Lift with Factory Rocker Arm Ratio:
0.467 int./0.494 exh.

Lobe Separation (degrees):
114

Whoa Nellie,

That is way too much for old '318' Valve Springs.