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...

Dayco Q&A

Dayco labs question and answers. Find below a comprehensive Q&A about all things Dayco I have been advised more than once by different people that Dayco belts are more trouble-prone and that Gates or Contitech should be utilized. Can you comment on the failure...

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,...

Used Oil Analysis

UOAs are a great tool in the Management of any machinery that uses liquid lubricants. Unfortunately, their real value is often misunderstood by those who contribute to BITOG. Firstly, it is important to realize that you get what you pay for. The most common forms of...

New Railroad Diesel Engine Low SAP Oils

New Railroad Diesel Engine Low SAP Oils by Johnny Petree General Description Times are changing thanks to new EPA emission requirements and ULSD fuel. The days of 13 – 17 TBN oils will slowly become a thing of the past as it has in the trucking industry. It’s a...

Viscosity Charts

Viscosity at 100°CViscosity at 40°C Motor oils and hydraulic oilsISO grade SAE grade range (cST)ISO grade range 53.80-*3228.8-35.2 104.10-*4641.4-50.6 205.60-9.296861.2-74.8 309.30-12.4910090.0-110 4012.50-16.29150135-165 5016.30-21.89220198-242...

Glossary

There are a number of terms and their definitions used in the various articles that are contained here. Additionally, this page serves to marshall many of the other more common terms and acronyms relating to the petroleum industry and to lubricants. We will be adding...