The max cylinder temp for any engine is about the same, if not exactly the same, but the ratio changes due to the extra heat produced by a supercharged engine. Leaner is faster. We run lower ratios (more fuel) to cool the internals of the cylinder and piston which reduces the chance of detonation and meltdown. A normally aspirated engine can run leaner to achieve the same 900 degC we see on a turbo engine.
All engine internal materials are heat resistant until you reach the point of meltdown. :P
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