Quote Originally Posted by NFATrustGuy View Post
Be careful running 100LL in your car. The LL stands for Low Lead, but it's not actually low lead AT ALL. As a comparison, 100LL has 2 grams of lead per gallon while unleaded car gasoline has a mandated maximum of 0.1 grams of lead per gallon. All that extra lead can really gum up your valves if your car isn't designed for it.

There's a place that sells paperwork for light aircraft to use auto gas in place of 100LL. They have a great discussion of the differences between 100LL and unleaded auto gas.

http://www.autofuelstc.com/stc_specs.phtml
You know what's scary: I've been in the "lead room", actually a building, in the Chamber Works. That's a duPont chemical plant in south New Jersey. That's where they manufactured the tetraethyl lead to add to gas all those years. That place is messed up, completely sealed now, I had to wear a "space suit" complete with air hose going to the outside of the building so we could do maintenance. That building can apparently never be torn down, or it would release so much lead into the atmosphere.

Sad part is, that was the "least lethal" building on that site.