Distinguish between overhead cam and overhead valve arrangement
SR. NO.
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Overhead cam
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Overhead valve arrangement
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1 |
This mechanism complicated in construction due to space contraint.
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This mechanism simpler than overhead camshaft type.
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2 |
The valves operating mechanism with overhead camshaft are highly efficient and less expensive.
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This type arrangement engines are less efficient and also more expensive.
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3 |
In this arrangement the distance between the cam and valves is much shorter.
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In this arrangement the distance between the cam and valves is much more.
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4 |
Valve response is quicker and valve adjustment can be more accurate.
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Valve response is slower and valve adjustment cannot be more accurate.
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