Yes it was experimental but I did read that they havent changed any of the ingrediants from what was in the tested solution. The opti lube rep even offered to help fund another test with a over the counter dose of the xpd so I am thinking it must be the same as tested.
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2005 4x4 6spd. stock Engine has also been borred and overhauled at 60,000 prevous owner cooked it.4" hushpower cat mia.