What is the Best Snowmobile Oil?

Best snowmobile oil

To earn the title Best Snowmobile Oil, your oil must excel in these three performance areas. AMSOIL INTERCEPTOR delivers, and here’s the proof.



How Does a Two-Stroke Power Valve Work?

Mountain snowmobile

Two-stroke power valves offer the best of both worlds – excellent throttle response and good top-end power. Here’s how they work.



The Diesel Upgrade that Should Top Your List

Lavon Miller Ultimate Callout Challenge 2017

Enthusiasts who make diesel upgrades to increase power and torque sometimes neglect to upgrade their engine protection to handle the added stress. Don’t make that mistake.



What is Hypoid Gear Oil? (And Other Gear Oil Questions Answered)

What is hypoid gear oil? And other gear oil questions.

We tackle some frequently asked questions about gear oil, including “What is hypoid gear oil?” and other common questions.



What is Assembly Lube?

Building engine with Assembly Lube

Assembly lube must serve three functions: stay in place where applied, protect against wear and allow the motor oil to flow properly at start up.



What is Fuel Dilution (and Why is it Bad)?

Fuel dilution is bad for motor oil

Fuel dilution occurs when gas or diesel infiltrates the crankcase and contaminates the motor oil. Here’s why it’s bad and here’s what you can do about it.



How to Jumpstart a Car

How to jumpstart a car

Whether you left your lights on or your alternator is failing, at some point you’ll have to jumpstart your car. Here’s how to do it.



How to Fix Rust on a Car

How to fix rust on a car

Most vehicle-restoration projects run into rust eventually. Here are some expert tips on how to fix rust on a car using MIG or TIG welding.



2021 AMSOIL Championship Snocross is Back!

The 2021 AMSOIL Championship Snocross schedule features a few new stops along with a revamped format for the AMSOIL DOMINATOR opening-night race.