Comrade Scotty, I saw that certain old cars have their operating temperature at 1/3 or 1/4 of the…

Comrade Scotty, I saw that certain old cars have their operating temperature at 1/3 or 1/4 of the temperature gauge, unlike today's cars who run at 1/2 of the temperature gauge. Does this have any effect on the engine's longevity? Would be interesting for me to know

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