went to a local sports car show today, got some stuff that stops 90% of friction in engine. was designed for racing. Did a test to show me put Mobil 1 oil in a small bath with drum turning at 200rpm, I had to push a metal cylinder down on it, it stop spinning at 30on torque wrench, both pieces of metal were scarred. Then he put this addative in and with all my strength on it the cylinder kept spinning normally, no scarring either. You could also run the engine dry with no damage. Only needs changing after 25000 miles. Should improve performance, fuel economy, maybe more speed. I might drink some myself!!!!!!!