engine oil : Danny's Engineportal

Oil Mixed With Coolant: Causes and Effects

07/19/2026

Engine oil mixed with coolant in the cooling system is very common. Especially, after a blown or leaking head gasket. So, you opened your coolant tank or the rad cap, and see that the coolant —READ-MORE

Rear Engine Oil Leaks: Finding The Real Location Of The Leak

06/02/2026

Rear engine oil leaks, that are confused with a rear main seal leak, are usually an oil pan gasket leaking. Consequently, an oil pan gasket is also, much less expensive to replace, than a leaking —READ-MORE

Close-up of performance engine camshaft and flat-tappet lifters being lubricated with high-zinc engine oil.

Low Zinc Engine Oil Guide: How to Protect Flat Tappet Cams

03/31/2026

The Problem with Modern Low-Zinc Oils: Is Your Engine at Risk? For decades, “zinc” was synonymous with engine health. But if you’ve walked down the oil aisle lately, you might have noticed a shift. Modern —READ-MORE

Engine Oil Pressure Warning – Possible Causes And Testing

09/22/2025

Suddenly, an engine oil pressure warning light or a low oil pressure reading, appears on your dash. At that point, the engine oil pressure warning, is the only thing you should be thinking about. Above —READ-MORE

Engine Lubrication Problems – Lack Of Oil, Causing Engine Wear

08/20/2025

To start with, a poor maintenance routine is by far one of the biggest causes of, engine lubrication problems. Not only that, extended oil change intervals, are responsible for low engine oil levels. And subsequent, —READ-MORE

Oil Pan Gasket Leak – How to Diagnose and Confirm the Leak

05/28/2025

An oil pan gasket leak is something no one wants. But, oil pan leaks are probably the most common leaks. So, it is not uncommon, for the gasket to wear out and start leaking oil. —READ-MORE

Engine Sludge – Causes and Prevention Tips

05/25/2025

Engine sludge forms, as the engine oil oxidizes and breaks down. During oxidation the oil combines with dirt, fuel, metal particles, water, gases, and coolant. As a result, leaving behind deposits, recognized as engine sludge. —READ-MORE

Engine Oil Leaks – How To Find Them – Repair Recommendations

04/18/2025

Engine oil leaks, can simply be minor annoyances, or they can be serious threats, to the life of your engine. So, having engine oil leaks, means that you have, less lubricant inside the engine. And, —READ-MORE

White Stuff Under My Oil Filler Cap – What Is It ? Is It Bad ?

04/07/2025

So, you take the oil cap off of your valve cover, to top off your oil. Then, you find milky creamy white stuff, coating the bottom of the oil cap and down into the filler —READ-MORE

Oil Consumption Has Many Causes, But, Worn Bearings Add To It

03/31/2025

Oil consumption is something nobody wants. But, worn engine bearings can make it even worse ? Engine oil consumption past rings, will only get worse, when engine bearings begin to wear out. So, oil consumption —READ-MORE