Pennzoil Q & A

Pennzoil question and answers. Find below a comprehensive Q&A about all things Pennzoil Product Specific / Technical 1. What are the differences between Pennzoil Platinum® Full Synthetic motor oil with PurePlus™ Technology and Pennzoil Ultra Platinum™ Full...

Putting the Simple Back into Viscosity

by John Sander, VP Technology, Lubrication Engineers Inc. Abstract: Simply stated, viscosity is defined as the internal resistance of a fluid to flow. That doesn’t sound too difficult, does it? Unfortunately, new temperature, speed and pressure demands on lubricating...

Motor Oil Final Exam

1While starting up your car at 75°F, mid-winter in Florida, which of these synthetic oils provides the least startup resistance, minimal battery and starter motor load? A. 0W-20 B. 0W-30 C. 0W-40 D. 0W-50 E. They are all exactly the same [toggle...

What’s in your Motor Oil

I’m sure this is not new to many here and has been covered to various degrees in the past, but there are many newer members who wish to understand more about what is in a motor oil. To those I hope this may be helpful. To the professionals, chemists, and purists,...

Motor Oil Mid-Term Exam

1At normal operating temperature, 212°F, a straight 30 grade oil has a viscosity of how many centiStokes? A. 3 B. 6 C. 10 D. 20 E. 30 [toggle title=’Answer:’]The correct answer is C- 10 cS.[/toggle] 2While racing at 95°F, mid-summer in Florida, which of...