NASCAR Notebook: Unleaded fuel burns fine (SportingNews.com)

just fine NASCAR teams reported very few issues resulting from the switch from leaded race fuel to Sunoco 260GTX unleaded gas over the weekend at Gateway International Raceway. Most teams performed significant dynamometer tests with the unleaded gas before the race, and minor changes included using bigger jets in the carburetor, flushing out the fuel lines and coating the valves. Concerns about drive train issues didn't surface during practice, but in a strange turn of events, engine tuners from ...