Why Unleaded Fuel and Why Now?

There is a lot of talk about NASCAR changing fromengines during the race. But the interesting thing is
leaded fuel to unleaded. The long term plan was thatthat the drivers aren't complaining about the switch
unleaded fuel was going to be introduced to thelike they did with the Car of Tomorrow. They aren't
Nextel Cup Series in 2008. Why the change in plans?fighting it at all. Maybe they knew it was inevitable.
For those of us who are not engineers, leaded fuelWe can only put so much exhaust in the air before
gives more lubrication and "padding" to the engine.we get to the point that the damage is irreversible.
This cushions the engines and valves and lessens theExcept for the season opening race at Daytona,
chances of the engine burning up. Using averageunleaded fuel will be used in all of the races during the
unleaded fuel will kill the engine on a NASCAR racecar.2007 season. The possible motivation for the moved
For several years now NASCAR has been workingup timeline to phase in the unleaded fuel could be
with their fuel supplier, Sunoco, to develop a specialpressure.
unleaded fuel that will be kinder to the Cup carAn environmental activist group has requested that
engines. This is not a new or spur of the momentthe Environmental Protection Agency investigate lead
decision. Because every decision within NASCARlevels in the air on and around racetracks. This activist
affects so many people, much time and researchgroup alleges that innocent bystanders, such as
goes into every change of rules and policies.homeowners that live near racetracks, are in danger
The Craftsman Truck Series and the Busch serieswithout even realizing it.
have been using unleaded fuel for about six monthsNASCAR is trying so hard to shake off the country
now. The reason NASCAR began with those series isboy image and adopt a more sophisticated persona.
that their races are 300 miles. The Nextel Cup race inIt definitely looks good for them to be concerned
California is 500 miles. It's the last 200 miles for thewith the environment and the health of their fans.
engine that has people concerned.But whatever the reason for the expedited
The first race using unleaded fuel proved that it wasintroduction to unleaded fuel, NASCAR has done a
indeed an issue with several teams losing theirgood thing and once again we are made proud.