Piston Deck Height

Piston Deck Height

Checking piston heights



Piston deck height…… Always check piston protrusion or recession when fitting pistons to any engine, petrol or diesel. Diesel engines rely on the correct piston deck height to achieve the compression required for correct combustion. So a dummy fit is required so the piston crowns or block face can be machined to suit. Also liner protrusion is important. Cylinder head gasket thickness is also an issue with some diesels.

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