Is a Preferred Customer membership worth it?
AMSOIL's Preferred Customer program lets you buy at wholesale-level pricing for the length of a membership. Here's how it works and who it pays off for.
From the shop
Seasonal maintenance tips for cars, trucks, boats, mowers and sleds, from Byron Tull in Schaumburg, Illinois.
Snowblower, ATV and snowmobile prep before the first storm
The first big snow is the wrong time to find out the snowblower won't start. A short checklist for snowblowers, plow-equipped ATVs and UTVs, and sleds.
Cold starts in a Chicago winter: why the "0W" matters
What the numbers in 0W-20 and 5W-30 actually mean, and why the first few seconds after a below-zero start matter so much for your engine.
Winterizing your mower, trimmer and other small engines
Small engines are the most likely to give you trouble next spring, almost always because of fuel left sitting all winter. Twenty minutes in October fixes that.
Putting the boat away: a fall storage checklist
The boat that starts on the first try next May is the one that was put away right in October. Here's the order I'd go in before the lake freezes.
Find the right oil, filter and fluids for your vehicle in two minutes
You don't need to guess at viscosities or dig through the glovebox. AMSOIL's vehicle lookup lists exactly what fits your vehicle. Here's how to use it.
Towing in August heat: protecting your engine and transmission
A boat or camper behind your truck on a 90-degree day is about the hardest job you can give your drivetrain. Here's what heat does and what to check before you hook up.
Synthetic vs. conventional oil: what you're actually paying for
Synthetic oil costs more per quart. Here's what that money buys, where it makes a real difference, and where it matters less than people think.