Is SAE 30 the same as 10w30?

Is SAE 30 the same as 10w30? Is SAE 30 The Same As 10w30? SAE 30 and 10W30 aren’t the same. SAE 30 is an oil that has a viscosity of 30 at overly high temperatures. The 10W30, on the other hand, has a grade 10 viscosity at low temperatures and grade 30 viscosity when … Continue reading Is SAE 30 the same as 10w30?