I see MAP has this stuff in stock now, and I've heard good things about it. The company is based out of Japan, and switching to it from something like Mobile1 or AMSoil is rumored and apparently been tested to see significant horsepower gains, in the neighborhood of 10-15hp at the crank on a 550hp motor.
Here's a test that was done:
http://www.youtube.com/watch?v=Fb1YzGcEUCI
Anyone running this stuff? Longevity concerns and or comments?
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