The Trans Am came standard with the 400-cubic-inch (6.6-liter) L74 Ram Air III V8, rated at 335 horsepower. For more oomph, customers could order the optional Ram Air IV version, good for 345 horses.

Pontiac's Ram Air V engine was only ever fitted to a single 1969 Trans Am, primarily due to pushrod complications. The Ram ...

Two iconic Pontiac Trans Ams—separated by nearly three decades of engineering and muscle car history—will cross the block at ...