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#pontiac 400

1970 GTO 455 on auction showroom floor
Car Features

The 455 HO vs the 400: Which Pontiac Big-Block Is Better

Dan Reeves · · 6 min
Bare round-port Pontiac 400 cylinder head studio shot
Car Features

Ram Air II: The Round-Port Head That Started the Arms Race

Dan Reeves · · 7 min
1969 GTO Judge with hood open, Ram Air IV
Car Features

The Ram Air IV: Pontiac's Round-Port Masterpiece

Wayne Coburn · · 7 min
1969 GTO Ram Air 400 engine bay close-up
Car Features

Ram Air III vs Ram Air IV: What Actually Differs

Dan Reeves · · 7 min
Pontiac 400 V8 engine bay with shaker hood scoop and chrome valve covers in a 1970s Trans Am
Car Features

The Pontiac 400: The Firebird's Heart

Dan Reeves · · 6 min
1969 GTO 400 Ram Air engine bay
Car Features

The Pontiac 400: The GTO's Long-Serving Workhorse

Dan Reeves · · 7 min
1973 GTO Colonnade coupe in Brewster Green studio shot
Car Features

1973 GTO: The Colonnade Era Nobody Asked For

Tom Ramirez · · 7 min
Close-up of a 1968 Pontiac Firebird 400 HO functional Ram Air hood scoop and induction hardware
Car Features

The Firebird 400 HO: Pontiac's Practical High-Output Muscle Engine

Mike Sullivan · · 6 min
Engine bay detail of a 1967 Pontiac Firebird 400 cubic inch Ram Air V8 with chrome air cleaner
Car Features

Sprint vs 326 vs 400: Choosing a Gen1

Tom Ramirez · · 7 min
Close-up of a 1969 Pontiac Firebird Ram Air IV 400 V8 engine with round-port heads and aluminum intake
Car Features

Ram Air IV: The Rare Screamer

Tom Ramirez · · 6 min
Dashboard detail of a 1968 Pontiac Firebird showing the new padded steering column and Rally gauge cluster
Car Features

The 1968 Firebird: Federal Rules Reshape It

Tom Ramirez · · 6 min
Close-up of a 1967 Pontiac Firebird 400 Ram Air hood scoop duct and air cleaner seal under a raised hood
Car Features

Ram Air I and the HO 400

Wayne Coburn · · 6 min
1969 Pontiac GTO Judge close-up of the functional Ram Air hood scoop
Car Features

Pontiac Ram Air III and IV Explained

Tom Ramirez · · 6 min
Close-up engine bay detail of a 1970s Pontiac Firebird Trans Am 455 big block V8 with shaker hood scoop
Car Features

The 400 and 455 Through the 1970s

Mike Sullivan · · 7 min
Restored Pontiac 400 cubic inch V8 engine bay in an early 1970s Firebird
Car Features

Why Pontiac V8s Are Their Own World

Mike Sullivan · · 6 min
Studio comparison of a Pontiac 455 V8 block and a Chevrolet 454 big-block V8 side by side
Car Features

Pontiac vs Chevy Big-Block

Dan Reeves · · 6 min
Bare Pontiac 400 V8 block mid-rebuild on an engine stand with heads removed
Car Features

Rebuilding a Pontiac 400

Mike Sullivan · · 7 min