« Last post by "Cadillac Kid" Greg Surfas 15364 on Yesterday at 11:25:29 PM »
Seem to be missing the point. Tetra Ethyl Lead was added to gasoline to increase the octane rating. When lead was slated to be removed from motor fuel, other octane enhancements were developed. I run VP MS-109 in my quarter mile cadillac. It is unleaded, and as the name implies is 109 Octane. Only $11.50 per gallon, so it is mixed 50/50 with 93 octane Chevron. No Lead, no knock.