I don't recall problems with pistons unless a broken retainer clip let's a valve drop onto the piston.
Traditional failure mode is unequal cooling on #1 that crisps a valve or blows out the cylinder top.
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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.Because much of what is in the published literature is nonsense,
and much of what isn’t nonsense is not in the scientific literature.
-- Sabine Hossenfelder
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