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Suitable Dial Bore Gauge

Engine Building Fundamentals

Discussion and questions related to the course Engine Building Fundamentals

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Hi everyone,

Looking at buying a dial bore gauge for engine assembly.

What's a suitable graduation/resolution for engine building?


The gauge I'm using is a metric gauge that has a precision of 0.01 mm. The commonly available imperial dial gauges will measure down to 0.001". These are sufficient for most purposes. you can purchase dial gauges that are more precise but you find that the costs start ramping up quite sharply.