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  1. O

    Unusual variations on two-stroke head design.

    I want to try a head design of my own. The base engine is a TP60 aero engine, two stroke, fixed head. I an going to convert in to a separate 4-stud head. I am looking to divide the combustion area up into 3 parts, based on a shaped trench containing the sparkplug, and two main squish collector...