You may find that running without the plastic engine cover also helps keep temperatures lower.Fitted a cooling duct to the MAP sensor on the intake manifold. Inspired by TGR Rally-2 and TGRR endurance thanks to Tonic's post here : https://www.gr-zoo.com/threads/reverse-engineering-the-tg-rr-gr-yaris-part-1-–-engine-bay.9819/#post-135618
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