Prepping an "early" (~1966) 727 for truck use

“See I was told it was behind a RB but you couldn't get a 440 in a '66 Charger“
But a 440 did come in a C body, as long as the clutch pack matches the spring pack (for the engine) you’ll be fine, it’s all about engine torque and 2nd-3rd gear overlap. 727 is a piece of cake, go for it.

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