eli5 why trucks don’t use small displacement high revving engines

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Like, you see cars like ferrari making absurd power figures with small block engines, like a 4 liter making 800hp. Is it just a cost thing that they would rather use a 10 liter? It makes the same power, and thanks to the transmission it’ll get the same torque at the wheel.

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Anonymous 0 Comments

For fuel efficiency and fuel cost, you want a diesel. Diesel engines are low revs, due to their design. They are normally bigger with heavier moving parts which makes it harder to run at high speed. It also wear it out faster.

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