318 build advise
Summit Racing Part Number: SUM-6901
Cam Style: Hydraulic flat tappet
Basic Operating RPM Range: 1,800-5,500
Duration at 050 inch Lift: 218 int./228 exh.
Advertised Duration: 276 int./288 exh.
Lobe Separation (degrees): 114
Lifts with Factory Rocker Arm Ratio: 0.441/0.441 in
Ouch;Those are some really,really long ramps; that's gonna "bleed" some pressure!
Hopefully you are at close to sealevel, cuz the bottom end power is gonna feel like a slanty. There is no cheap cure for that, so since it is together, just drive it and see how bad it is.