FWIW, the 428 in my 2014 Ram is 12.6 to 1 static with the Eagle head and I run a comp cams"270"
Duration @ .050" Intake: 222
Duration @ .050" Exhaust: 230
Valve Lift Intake: 0.615
Valve Lift Exhaust: 0.609
Lobe Sep. Angle: 115

93oct......A good tune is a must ,

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