the Crower 271HDP cut on 108 is to me the hot ticket to really wake up a mild street 383, it's not a ton of duration so overlap is not an issue even with an automatic.

PM member Mopork, he took my recommendation of this exact cam and dropped it in his uber-sweet 383 71 coronet cop car, he's told me on more than one occassion he's VERY pleased with how that cam runs.