RFP for the Engine Build for the Missile

Narrow lobe centers tend to have "narrower " peakier ,shorter rpm ranges,than wide lobe centers.They usually make a little more mid- range torque,compared to the same cam,with a wide lobe center.Curious,why a flat tappet hydraulic? Hydraulic roller will give you the ramp speeds you need to make useable torque.If you can run valves,you might consider a solid flat tappet.If you have access to the engine analysis software,plug this cam in. Lunati 404a1 lun.A small solid flat tappet.Specs are: 270 advert int/270 advert exhaust. @ .50:243/243 int and exh.lobe centrrs 110/intake centerline 106.Lift .548/.548,lash.018/.018