Blue Diamond Engine Oil

“Starts As If It Were 70 Degrees”

blue_diamond“I want to tell you that I have been running the Blue Diamond in my Yanmar tractor. This YM2000 has no starting aids, and prior using Blue Diamond, it was nearly impossible to start in the mid 20’s and lower temperatures. After installing the Blue Diamond, the temperature can drop into the teens, and the engine starts almost as easily as if it were 70 degrees, and the engine runs with much less mechanical noise.”
– David K. from Mooringsport, LA

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