5W-20 vs 5W-30 vs 10W-30: What’s the Difference?

5W-20 vs 5W-30 vs 10W-30

The primary difference when looking at 5W-20 vs 5W-30 is their viscosity once your engine has reached operating temperature.



How to Test Engine Compression

Test engine compression

Testing engine compression provides a snapshot of the health of your engine. In this video, we show you how to do it and how to interpret the results.



Lawnmower Storage: How to Do it Right

Zero-turn mower best maintenance practices

Proper lawnmower storage is vital to ensuring your mower fires up on the first pull in the spring and lasts for years. Here’s how to do it.



Do I Need to Change Oil Every 3,000 Miles?

Changing oil at a quick lube.

The practice of changing oil every 3,000 miles began with a noble purpose, but advances in motor-oil technology have made it obsolete.



How to Rebuild Dirt Bike Forks

How to rebuild dirt bike forks

In this video, we provide step-by-step directions for how to rebuild dirt bike forks, including installing new seals and bushings.



What Happens if I Use the Wrong Weight (Viscosity) of Oil?

It’s best to use the viscosity recommended in your owner’s manual, but a slightly thicker oil or thinner oil likely won’t do lasting harm.



How to Repack Trailer Bearings

Repack trailer bearings

Repack your trailer bearings yearly to ensure your next vacation or trip to the lake goes smoothly. Here’s how to do it.



When and How Often Should I Use Dirt Bike Chain Lube?

Applying chain lube to a dirt bike chain

Your riding frequency, operating conditions and chain type all influence how often you should use dirt bike chain lube.



Why are There Different Chainsaw Oil Mix Ratios?

Chainsaw cutting brush

Most manufacturers recommend a 50:1 chainsaw oil mix ratio, but some call for 40:1 and even 32:1 in older saws. AMSOIL SABER Professional cuts through the confusion.