With more advanced engine metallurgy and design, and the demand for increased fuel efficiency and lower emissions, engine operating temperatures have increased more than 40 F in the last 50 years.

CCJ's 10-44 is brought to you by Chevron Delo heavy duty diesel engine oil. Now there's even more reasons to choose Delo. We're talking coolants again this week, but this time how to know when you've ...

Spectro Scientific’s CoolCheck 2 Coolant Analyzer is designed to automatically test coolant systems and diesel exhaust fluid. The CoolCheck 2 is a touchscreen analyzer that makes use of broadband ...

I recently took my '95 VW GTI VR6 with 110,000 miles on it in to have the coolant changed and the thermostate replaced. The guys at the shop said that after they were done, they ran a test and found ...