I have speculated that any 400 using a 3.52 stroke crank would be a very good match for a torqueflite equiped bracket car. The short stroke will allow consistancy , yet at up to 426(!!) Cubes still make serious power, enough for a 10.00 et 3300 lb car. Easy to drive, as dhifts won't be too soon on the 1/2 given a good gear choice.