the W53 "Sprint," was another SOHC six with 215 horsepower, thanks to a hotter cam, high-compression pistons, dual exhausts, and a four-barrel carburetor. A bigger block V8 of 400 cubic inches (6. ...

The 1967 Pontiac Firebird represents the first model year ... There was also an upgraded W53 "Sprint" version of this inline SOHC six that put out 215 horsepower, thanks to a hotter cam, high ...

Chevrolet rushed a 1967 Camaro into ... to deduct 30% from Firebird 326 prices for 6-cylinder models As with virtually all classic cars, convertible versions of the Pontiac Firebird fetch better ...