I would not over bore it anymore than you need too. Gain as much cubes as you can with more stroke, with in reason anyway. Probably a 4.21 or 4.25” crank would be my preference. But it needs at least a 4”.
Drag racing the best ET’s come from being quick in the first half of the track, it isn’t that difficult to get into the 12s with a mild 400 HP engine with tons of torque, and a well dialed in drivetrain.
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