rc car heat sink
What is a port engine?

I have a hyper 7, 0.28 4.6cc nitro RC car piston misalignment. on heat synchronization (Sink, synck?), He asserts that his engine 6port, Whats a port engine and is more better? my friend has a 3 port engine, is it better? or worse? Thank you in advance

Engine ports are air passages in cylinder heads

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