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#455 v8

Ram Air IV 400 V8 engine bay detail in a Pontiac Firebird showing round-port heads and hood scoop
Car Features

Pontiac Power: The 400, 455 and Ram Air Engines

Dan Reeves · · 8 min
1966 GTO 389 Tri-Power engine bay closeup
Car Features

Pontiac GTO Engines: From 389 Tri-Power to Ram Air IV and 455

Dan Reeves · · 10 min
1970 Pontiac GTO restyled body at golden hour
Car Features

1970-1972 Pontiac GTO: Peak Power Meets the Beginning of the End

Nora Beckett · · 9 min