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Time to fill up your force-fed car? Time to discuss some science with Zachary Santner, technical specialist with Sunoco Race Fuels.
Science Fact No. 1: Boost brings the heat. Okay, most of us here know that. It’s why forced induction is usually paired with an intercooler.
Science Fact No. 2: Ethanol has a cooling effect as it evaporates. If you pour some alcohol on your skin, you can actually feel that cooling sensation. Same goes for the ethanol in fuel, too. See where we’re going here? Like a mechanical intercooler, an ethanol-blended fuel can help lower the air/fuel charge’s temperature.
Science Fact No. 3: Race fuels are more consistently formulated. The sign at the local station might say that the fuel contains up to 10 percent ethanol, but how do you know the actual figure? Street fuels are constantly re-blended depending on the season and other factors. If you tuned your engine on a certain fuel,…
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