How much horsepower did the Pontiac 421 have?
How much horsepower did the Pontiac 421 have?
373 horsepower
The engine is rated at 373 horsepower and features dual four-barrel carburetors, a solid-lifter camshaft, and high-capacity aluminum exhaust manifolds. The 421 engine is available only with related heavy-duty driveline components.
What years did Pontiac make the 421 engine?
The 421 SD became factory installed in 1962 and in 1963 a street version became available from the factory with a dual four-barrel or three two-barrel Tri-Power carburetion. Modified versions of this engine were extensively used in NASCAR stock car racing and drag racing competition.
Is a Pontiac 421 a big block?
ENGINE: Looks like a standard Pontiac mill, save for the dual four-barrel carburetors atop the aluminum intake. Now factory-installed for 1962, the 421 used a four-bolt 3.25-inch main block, featuring a larger 4.09-inch bore, a 4-inch-stroke forged steel crank, forged-steel rods, and forged-aluminum pistons, and more.
What is a Pontiac 2 2?
The Pontiac 2+2 is a full size automobile that was manufactured by Pontiac, built on the B-body chassis. It debuted for the 1964 model year as a trim-only option for the Pontiac Catalina, with special door panels, bucket seats with a center console, and exterior badging.
Who builds Pontiac engines?
DCI Motorsports is your premier Pontiac engine builder. We build them all, from 1955-1979, factory restorations, mild street engines to high power race engines. All engine sizes welcome, from 326, 350, 389, 400, 428, 455’s and everything in-between.
What is a 400 engine in liters?
400. The largest version of the Generation I small-block was the 400 (6.6 liter). It was the only engine available with both the 4.125-inch bore and the 3.75-inch stroke crankshaft.
Is Pontiac 428 a good engine?
The 428 was Pontiacs top engine for 3 short years- 1967-9. The bore is the same as the 400 at 4.12″. The stroke is 4″, the main journals are 3.25″. The 428 has remained one of the favorite Pontiac engines for racers and hot rodders and, are always one of the most sought after for a build up.
