Legend of the 340

340 duster vs 350 nova vs. 351 mustang.....duster comes out on top time after time all with similar gears and automatics! Mopar suspension was definently ahead of the game imo even with those dinky tires they managed to hook a bit. Now my question is: IF THE FACTORY 340 RATING WAS 275, WHAT WAS THE "ACTUAL" hp/tq rating of the 68-71 340???