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Temps can be close to 3600 deg f away from surfaces. Surfaces however are kept cool by the engines cooling system and the fact that the burning mostly takes place in only 1 of the four strokes. Exhaust manifolds can reach temps of over 1800 deg. f

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12y ago
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11y ago

For a diesel engine, the temperature of the air at the peak intake compression is around 450oC to 650oC. This is sufficient to raise the fuel mist to ignition.

The temperature in the combustion chamber are given as 1650oC to 2750oC.

The temperatures can get high enough to produce nasty nitrogen oxides.

A different aim is to keep the walls of the combustion zone down to about 70oC.

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11y ago

Not More Then 590 deg. Celsius

It's interesting that 590 deg. Celsius (1075 F) is just below the melting point of pure aluminum, though.

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16y ago

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Q: What is the peak temperature in a combustion chamber of a car engine?
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