rind Number:284 H12
Operating Range:3000-6200 RPM
Duration Advertised:284° Intake / 284° Exhaust
Duration @ .050'' Lift:228° Intake / 228° Exhaust
Valve Lift w/1.5 Rockers:.480'' Intake / .480'' Exhaust
Lobe Separation Angle:112°
Max Lift Angle:107° ATDC Intake / 117° BTDC Exhaust
Open/Close @.050'' Cam Lift:Intake - 7° BTDC (opens) / 41° ABDC (closes)
Exhaust - 51° BBDC (opens) / (3°) BTDC (closes
I think that would be a bit much for a stock 318..
something like this
http://www.summitracing.com/parts/CCA-CL20-220-3/ would probably suite that engine a little better.. imo.