Chalk up another vote for the Summit 2801 cam in an 8.5:1 motor. With 3.23 gears even a heavy '73 Grand Am will light 'em up from a stop and run forever. Other cams may be more appropriate to the combination, but it's hard to beat a simple cam like that except for maybe one of the factory grinds when it comes to "know it's gonna work" type situations.
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