What is the situation where you would want a cam with more intake duration than exhaust with a big block? Was cam shopping and ran across a cam with 12 degrees more intake duration at .050? It has 242 degrees of intake and 230 of exhaust.

'75 Plymouth Duster
Phase I 451 906/590/2-660 10.75/126
Phase II 451 Stage VI/590/1050 9.82/135
Phase III 383 906/Victor-Pump gas 11.30/119

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