December 15, 200717 yr comment_46654 Beror på årsmodell tog detta från nätetThe 460 motor is a 429 with longer stroke, same bore. In 1968, when it was first offered, the 460 was rated at 360 horse power with 10.5:1 compression. By 1972 the compression dropped to 8.5:1 with a horse power rating decrease to 212 HP. The next year, 1973, saw the compression down to 8.0:1 and horse power at 200 HP. However the way horse power was stated changed during this time. Early motors were rated using flywheel or brake horsepower, in '72 net horsepower was used. (The difference being whether all the power robbing accessories are considered.)
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