340 A body versus 383 B body

Those #s are about what you would expect for production engines, engine size & car weight.

American supercars, Roger Huntington, with estimated hp:
- 68 GTX, 440, auto, 3.23, 375 hp [ est 330 ] 14.6 @ 96.
- 69 Dodge R/T, 440 6 pack, 3.91, auto, 14.2 @ 100, 390 hp [ 370 ]
- 68 Barra 340, 3.23, auto, 14.6 @ 96 275 hp [ 290 hp.] Note: est HP higher than quoted HP.
- 70AAR 340 6V Cuda, 3.55, M4, 14.5 @ 99, 290 hp [ 310 ]