Are Pontiac 455 internally balanced?
Technically, A Pontiac is not an internal balanced engine from the factory. The front balancer is neutral, but the rear flexplate (flywheel) is not.
What’s the crank length on a Pontiac 400?
We have a selection of different length Pontiac 400 stroker crank part numbers available for these popular high performance Pontiac V8 engines. The available stroke lengths are 4.250, 4.375, 4.500 and 4.650 which provides you with many options for building your desired cubic inch Pontiac stroker engine.
When did the Pontiac 400 V8 come out?
Pontiac 400 V8 Engine. The Pontiac 400 6.6 Liter engine was first introduced in 1967. This version of the Pontiac V8 engine was used in the GTO, Firebird, and the Trans-Am Firebird. The 400 was inspired by the Pontiac 389 V8 and proved to be the last Pontiac engine with closed chambered heads.
What kind of crankshaft does a 400 Stroker use?
These Pontiac 400 crankshaft models are an excellent choice for use in building a high output, dependable 400 Pontiac stroker engine powered vehicle. Check out the many premium features included with each Molnar 400 Pontiac crankshaft and order today to get started on your next engine project.
When did the 3 inch crankshaft come out for the Pontiac V-8?
The 3-inch unit was used in all V-8s up to 400 inches produced between 1959 and 1979. The 3.25-inch unit was introduced in the early 1960s for the 421, and is found in all other Pontiac engines displacing up to 455 ci.
What kind of crankshafts are used in a Pontiac 400?
Molnar Technologies superior 4340 steel Pontiac 400 forged crankshafts are extremely strong, precision machined high performance parts and are ideal for use in high performance street cars and trucks, muscle car restorations, and competition cars, trucks, boats and more.
What are the parts numbers on a Pontiac crankshaft?
Casting numbers can be used to identify most Pontiac crankshafts. Location varies, and I have found original Pontiac cranks without part numbers, some partially or fully stamped, and others with full numbers.
When did the Pontiac V-8 crankshaft come out?
Pontiac V-8 crankshaft part numbers and specifications 1955-1981. Feel free to contribute. This is a work in progress and not guaranteed to be correct. Pre-1964 cranks must be machined to fit Turbo Hydramatic torque converters.
When did Pontiac start using cast crankshafts?
: Pontiac used a forged crankshaft in its early V-8s. Castings first appeared in 1959 and were used through the end of V-8 production in 1981. Cast Pontiac cranks are quite durable and can offer excellent reliability to 600 hp or more with typical preparation.