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454 cam
I need suggestions for a cam for my 454. It has open chamber large oval port heads. I want a pretty hot cam, i was thinking a comp cams 4x4 cam with 270 intake duration and 278 exhaust. Lift is .544 in. and .564 ex. Will it be too much lift and duration? I know i have to replace valve springs, but i would rather not replace valves. Will it work for towing, or be too radical? TIA
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