My engine oil looks almost transparent when the engine is at operating temp and it looks slightly dark when the engine is cold.
What causes this? The oil additives are the ones responsible for this I guess. And also the dirt falls down in to the pan when the engine is cold.
What are your thoughts?
What causes this? The oil additives are the ones responsible for this I guess. And also the dirt falls down in to the pan when the engine is cold.
What are your thoughts?