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How to use A14 piston in A15 engine

Subject: How to use A14 piston in A15 engine
by ddgonzal on 2019/3/13 1:01:16

If you have some A14 pistons but none for A15, how do you make them work in the A15 engine?

A15 pistons has 2.5mm higher pin height compared to A14 so that it can work with the same length rods -- even though the stroke is 5mm longer. Resulting in A14 piston sticking out 2.5mm if placed in A15 engine

Just mill 2.5mm off the top of the A14 piston. Now it will fit A15 engine

I think that is the H89 offset-dish piston