i have a 97 k1500 fresh build with
Intake Duration at 050 inch Lift:
224
Exhaust Duration at 050 inch Lift:
234
Duration at 050 inch Lift:
224 int./234 exh.
Advertised Intake Duration:
298
Advertised Exhaust Duration:
304
Advertised Duration:
298 int./304 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.466 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.487 in.
Valve Lift with Factory Rocker Arm Ratio:
0.466 int./0.487 exh.
Lobe Separation (degrees):
114
headers
new multiport injectors
msd 5592 distributer
msd coil
411 ecu swap
was trying to find a base tune to get started any help on where to look would be greatly appreiated