Spark plugs
I’ve ran these 4 prong plugs in another car of mine. Not sure but I definitely noticed it ran hotter with them. I don’t care what anybody says it ran hotter. No doubt about it. So changing from a 4 prong plug to a single I believe it can make in run cooler. I don’t know why but I’ve seen it personally and it’s true. If I didn’t see it personally I probably would think much of it myself.
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