I filled out the cam form on comps website and this is what they recommended for my 11.9:1 383 .Heads by loyd elliot with 2.02/1.60 valves,flow numbers here

SPEC CARD
PART #: 07-000-8
ENGINE: LT1/LT4
GRINDING INSTRUCTIONS 1
"" "" 2
GRIND #: LT1 3317 /3318 HR112.0
SPC INST 1:
SPC INST 2:
J. DIAM: STD INT EXH
VALVE ADJUSTMENT
GROSS VALVE LIFT .576 .600
DURATION @ .006
TAPPET LIFT 293 300
VALVE TIMING OPEN CLOSE
@ .050 INT 11 51
EXH 58 10
SPECS FOR CAM INST. @ 110 CENTERLINE
INT EXH
DURATION @ .050 242.00 248.00
LOBE LIFT .360 .375
LOBE SEPARATION 112.0
ROCKER ARM RATIO 1.60 1.60 REQ SHIP DATE





NEED OPINIONS....Truck will see some daily driving and some track time.I have a dp system on intake pilled for 150shot also.Thanks.