Daily driver 318 roller cam expectations
A Crane roller Magnum engine cam offering on a 114, it may require a bronze gear, But IDK.
HR-214/325-2S-14 -
http://www.cranecams.com/164-165.pdf
Or a “IG” iron gear that can use the normal intermediate shaft, this one a 112.
HR-214/325-2S-12 IG
http://www.cranecams.com/158-159.pdf
Oh any similar duration cam from someone else.
These low duration cams will offer good torque down low to get that 318 moving the car.