FYI; from Mobil website:
"Fully
Synthetic Motor
Oil Used by Professional Racing Teams Now Available to Car Enthusiasts
FAIRFAX, Virginia (November 4, 2003) - High-performance automotive enthusiasts will soon be able to get the same boost and protection that professional race car drivers get thanks to the introduction by ExxonMobil of its new proprietary racing
oil -- Mobil 1® Racing 0W-30. The new formulation will be available to the public in early Spring 2004.
Previously available only to professional racing teams, the Mobil 1 Racing formula combines the best of Mobil 1's patented SuperSyn™ technology with boosted levels of anti-wear additives, giving maximum protection and minimizing internal friction for exceptional power output. The specially designed high-performance motor
oil is recommended for professional and amateur horsepower enthusiasts because it provides the performance drivers want from their high-powered engines every time they get behind the wheel.
"We developed Mobil 1 Racing for people who live to drive high-performance cars," said Tom Olszewski, technical services advisor at ExxonMobil Lubricants & Specialties. "Whether they put Mobil 1 Racing in their Honda Civic or Grand Prix GTP supercharged engine, drivers are going to notice a difference in how long their engine lasts and how well it performs under extreme driving conditions."
I also found out that this formula is really for one race events, when you tear the engine down after the event - no additives for down time between events - Regular Mobil-1 is probably better suited for my use as per RDI (my engine builder)
Just thought I would pass this along.
TL