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you forgot the exhaust headers having a coolant loop because it was cast in, instead of just the exhaust valve.
Imagine what kind of FE this engine could get with a good CVT. Like the Mazda Skyactiv 1.3L engine with a 14:1 compression on 87 octane without 4-2-1 headers. I really like the volcano piston head on the Skyactiv.
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