Yes, a car may still run if the engine is blown but not if the damage is severe. ~If the engine has completely seized and key parts have melted due to extreme overheating, the car will not run.
If it did its job, your engine’s performance will return to the heady days of its youth, when it delivered maximum power and efficiency.
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Beginning in the 1770s, many people tried to make cars that would run on steam. Some early steam cars worked well, and some did not. Some were fire pumpers that moved by themselves, and others were small locomotives with road wheels. Beginning in the 1880s, inventors tried very hard to make cars that would run well enough to use every day. These experimental cars ran on steam, gasoline, or electricity. By the 1890s, Europeans were buying and driving cars made by Benz, Daimler, Panhard, and others, and Americans were buying and driving cars made by Duryea, Haynes, Winton, and others. By 1905 gasoline cars were more popular than steam or electric cars because they were easier to use and could travel further without adding fuel. By 1910 gasoline cars became larger and more powerful, and some had folding tops to keep drivers and passengers out of the rain.
Typical bore and stroke sizes are 70–100mm (roughly 3–4 in). You might think making a more powerful engine is simply a matter of choosing a bigger bore and stroke, but there's much more to it than that, and there clearly have to be compromises (for example, you can't make small cars with enormous cylinders). In practice, the bore and stroke affect a number of different things, not just how powerful and efficient the engine is overall, but how much power it makes at different speeds: whether it's optimized for high power at high speed (as in a race car) or high power and fuel economy at lower speeds (as in a long-distance truck). If the bore and stroke measurement is more or less the same, the engine is described as square . A bigger bore and a shorter stroke gives us what's called an oversquare (short-stroke) engine. It has bigger valves for shifting more gas through the cylinders at higher speeds, so it can can make high power at higher rpm, and it's a good arrangement for a race car or a superbike (powerful motorbike). A smaller bore and a longer stroke, in what's called an undersquare (long-stroke) engine, gives us more power at lower revs, which is great for a slow-moving, heavy truck or a heavier motorbike.
See also Can Engine Sludge Cause Knocking? Exploring the Impact on Performance.
Suddenly Shifting From Reverse to Drive.
