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Why Is My Transmission Slipping? Clutch Packs, Pressure and Heat

A slipping automatic transmission usually means the fluid is heat-damaged, low or the wrong type.

October 23, 2026

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Jimmy Henderson Wins His First Pro 4 Championship

Jimmy Henderson clinched his first AMSOIL Championship Off-Road Pro 4 title at Glen Helen with patience, and a late pass.

October 7, 2026

Why Fuel Deteriorates – and How Gasoline Stabilizer Has Your Back

October 5, 2026

Protecting Against LSPI – Even During Extended Drain Intervals

Signature Series 100% Synthetic Motor Oil far exceeds industry standards for protection against LSPI.

September 30, 2026

No Sludge. Just Protection.

Signature Series 100% Synthetic Motor Oil resists breakdown.

September 22, 2026

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Clean and Powerful Pistons: Signature Series and the Sequence IIIH Test

Results in the test are a good indicator of how well an oil will perform in the real world.

September 22, 2026

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Hold On to Your Power

Signature Series maintained horsepower and torque throughout a 125,000-mile test, even under the elevated stresses of a high-output 3.5L engine.

September 18, 2026

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Quantifying Performance: Signature Series Motor Oil and the NOACK Volatility Test

Signature Series delivered 2X better protection against volatility, helping reduce oil consumption, minimize top-offs and keep engines cleaner.

September 4, 2026

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Neglected Maintenance: Brake Fluid

Consistent brake-fluid maintenance is essential for firm, dependable braking.

September 2, 2026

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Sportsman Spotlight: Bailey Broderick — A Day on the Rubicon

At just 22-years old, Bailey Broderick conquered the iconic off-road trail in a singular day.

September 2, 2026

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Sportsman Spotlight: The Racers and Riders Who Run AMSOIL

Meet the racers, riders and outdoor enthusiasts who partner with AMSOIL, and find out why they trust AMSOIL synthetic lubricants.

September 1, 2026

Boat Maintenance Checklist: Engine and Lower Unit Tips

Avoid expensive boat repairs with this quick marine engine maintenance checklist.

August 5, 2026

Can You Use Car Oil in a Boat? Why Marine Oil Matters.

Learn why marine engines need purpose-built oil that handles sustained load, high rpm, water exposure, corrosion and storage.

August 5, 2026

News

New Formula, Same Promise: Maximum Engine Life and Performance

We discuss the next-generation Signature Series 100% Synthetic Motor Oil with AMSOIL Chairman & CEO Alan Amatuzio.

August 3, 2026

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A Data-Driven Guide to Slashing Maintenance Costs with AMSOIL

Running AMSOIL synthetic motor oil can reduce maintenance costs, prolong vehicle life and reduce the number of oil changes needed.

July 29, 2026

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Turn More Heads with AMSOIL Car Care

AMSOIL car-care products are engineered with advanced technology to deliver powerful cleaning action that helps vehicles shine brighter.

June 3, 2025

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Your Ultimate Oil Change

Right product. Right package. Right to your door.

November 1, 2024

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What AMSOIL Motor Oil is Right for You?

No matter what you drive or how you drive, AMSOIL provides specially formulated motor oil designed to protect your vehicle.

December 11, 2023

Bryce Menzies

Legend. After seven championships and numerous podium finishes, Bryce Menzies has already earned the moniker.

October 25, 2024

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Featured

Why Is My Transmission Slipping? Clutch Packs, Pressure and Heat

Latest

Jimmy Henderson Wins His First Pro 4 Championship

Why Fuel Deteriorates – and How Gasoline Stabilizer Has Your Back

Protecting Against LSPI – Even During Extended Drain Intervals

No Sludge. Just Protection.

Get the AMSOIL App

Browse Articles

Clean and Powerful Pistons: Signature Series and the Sequence IIIH Test

Hold On to Your Power

Quantifying Performance: Signature Series Motor Oil and the NOACK Volatility Test

Neglected Maintenance: Brake Fluid

Sportsman Spotlight: Bailey Broderick — A Day on the Rubicon

Sportsman Spotlight: The Racers and Riders Who Run AMSOIL

Boat Maintenance Checklist: Engine and Lower Unit Tips

Can You Use Car Oil in a Boat? Why Marine Oil Matters.

New Formula, Same Promise: Maximum Engine Life and Performance

A Data-Driven Guide to Slashing Maintenance Costs with AMSOIL

Featured In Other Sections:

Turn More Heads with AMSOIL Car Care

Your Ultimate Oil Change

What AMSOIL Motor Oil is Right for You?

Bryce Menzies

AMSOIL Performance Testing

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