Answer :
Final answer:
The best tool to measure camshaft runout is a dial indicator, as it provides precise measurements of small distances. Other options like outside calipers, feeler gauges, and dial calipers are less suitable for this task. Therefore, for measuring runout, the dial indicator is the most effective choice.
Explanation:
Measuring Camshaft Runout
To measure camshaft runout accurately, the most appropriate tool is a dial indicator. A dial indicator measures small distances and can detect variations or discrepancies in rotation, making it ideal for this application where precision is paramount.
Here's a quick overview of the options provided:
- Outside calipers: These are used for measuring the external dimensions of objects but are not suitable for measuring runout.
- Feeler gauge: This tool measures gaps or clearances but is not typically used for precise rotational measurements.
- Dial indicator: This is specifically designed for measuring runout and other precision tasks, allowing for a direct reading of the tolerance in movement.
- Dial caliper: While useful for measuring dimensions, it is not as suitable as a dial indicator for detecting runout.
In conclusion, using a dial indicator will give you the most accurate and reliable measurement of camshaft runout, which is crucial for ensuring optimal engine performance and longevity.
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