Which of the following is INCORRECT?
1
Overheating of the engine may lead to burning of lubricant and thus lead to lubrication failure.
2
Overheating of the engine may lead to preignition of the charge of the SI engine.
3
Overheating of the engine lead to high volumetric efficiency and high power output of the engine.
4
Overheating of the engine reduces the strength of the piston and cylinder liner.