Originally Posted by Skippy722
Originally Posted by painfx
Originally Posted by ARCOgraphite
Originally Posted by painfx
Sunoco actually uses tetraethyl lead additive in their gasoline for anti-knock. It is used as an octane booster.
I thought lead was prohibited in gasoline?
OP, give us the Source of this (mis) information?
I say absolutely
no for Automotive road use for decades.
MMT was in use for a while as an octane booster, but that was garbage, fouling plugs and lambda sensors.
A gas station near me sells 108 octane race gas for off road use. I would assume that has lead in it. But I might be wrong about that. Big Bucks. Usually 3x the cost of 87 no lead.
This was listed on the MSDS of their Supreme Fuel, 93 Octane.
Sunoco's "Supreme" is a 112 octane leaded race fuel. Their lowest octane race fuel is a 95 octane unleaded called Optima.
The SDS I found for 93 octane, E10 Sunoco gasoline shows no TEL.
https://hometowneenergy.com/wp-content/uploads/2019/05/MSDS-Gasoline-93-Octane-10-Ethanol-2019.pdf
I found this. Not sure exactly what this means outside of California. I'm pretty sure it would violate EPA regs for on-road vehicles.
Quote
https://www.sunocoracefuels.com/wp-content/uploads/2017/02/SUNOCO-SUPREME_US-SDS_05Jan2017.pdf
Recommended Use Liquid: automotive refuelling
California Air Resources Board (CARB): This product cannot be sold, offered for sale,
supplied or offered for supply for motor vehicles in California except in competition racing vehicles. Not Legal For Use in Any Other Motor Vehicle.