Category Crank

Pontiac stroker engines using Eagle crank, rods and pistons

October 3, 2013 BlockCamshaftCrankEnginePistons

What exactly is a Pontiac "stroker engine" ? What are the advantages and disadvantages? And what is involved in building one?

Many ask themselves about the Pontiac stroker engine. What is this all about? Here are the answers!


A stroker engine is basically just an engine that has had the stroke increased to more than was originally from the factory. A stroker kit is a collection of components that make building a stroker engine possible. Sounds easy, right? Well, there are limitations to what can be done depending on which engine you are building. More on that in a minute. Why you would want to build a stroker engine is a question that first must be answered.


To understand the

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Pontiac Crankshaft part numbers

April 30, 2010 CrankEngine

Pontiac Crankshaft Part Numbers

Technical Notes

Pre-1964 cranks must be machined to fit Turbo Hydromantic torque converters.Numbers on the crank are often the same as the part number, but not always.Replacement cranks may be a different part number or casting number than what came in the original engine.Bearings must be installed in the engine and measured prior to grinding the crank to get clearances right.Pilot bearing is # 7109 (GM part number 15533265)Size is 1.3780"OD x 0.5906"ID x  0.3543"W (35 mm OD x 15 mm ID x 9 mm W)Starting around 1966-1967, not all cranks used with automatic transmissions were machined for a pilot

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