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Why can my oil temperatures be hot, but the cylinder heads run cool?

April 26, 2017cool cylinder Heads hot Oil run temperatures

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10 Posted

Why can my oil temperatures be hot, but the cylinder heads run cool?

1 Answer

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10 Posted

Gearing and ambient temps play a key role in the oil cooling of the engine. Higher revs make for more friction and the oil must work hard to absorb that heat and then dissipate it. Gearing that does not match a Type IV engines powerband is the #1 cause for overheated oil.