One of the main things would be to make sure the engine will start cold, this is better to test in the winter when the temperature is cooler. You are looking for the engine to start the first time, unless it is below 40 then it may take the second crank if it is a…

No, not with ultra low sulfur diesel, it lowers the cetane ratings in our test. The cetane rating is already lower in low sulfur diesel compared to older diesel fuel which had a higher cetane rating which was ok to ad transmission fluid.

All oils have additive packages in them from the oil company. The additive companies do not know what oil you are using, and then you are adding additives that can sometimes counteract and have a reaction. If you are going to use oil additives or any extended oil service we recommend an oil sample. See…