Category Pistons

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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Piston ring installation

April 30, 2010 EnginePistons

Pontiac piston ring installation

The following steps are based on Manley and SpeedPro pistons and rings as used by the writer, and based on the respective installation instructions of the piston and ring manufacturer. While the installation procedure and positions are common across most piston and rings makes and usage type, the end gaps may vary. In this case always refer to the instructions supplied with the piston rings you purchase.

1. File fit rings sets require filing of the top and 2nd rings to achieve the correct end gap. To properly measure the ring gap, the ring should be square in the bore 1” down from the deck. Measure the ring end gap with a feeler gauge or equivalent device. Calculate the recommended

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