John Baker

Recent Posts by John Baker

Do Fuel Additives Work?

AMSOIL P.i. fuel additive

Motorists expect fuel additives to immediately boost performance or fuel economy. But most require use for several tanks of fuel to work. Not AMSOIL P.i.



What is a Limited-Slip Differential (and What Type of Gear Lube Should I Use)?

Your differential allows you to corner safely while putting maximum traction to the ground. Here’s how it works, and what kind of gear lube to use.



Is Starting Fluid Bad for Gas Engines?

In small doses and used properly, starting fluid can be effective in hard-starting gasoline engines. But it can be bad for two-stroke or diesel engines.



How to Perform Oil Analysis

Oil analysis provides a glimpse inside your engine to gauge lubricant and component condition without so much as removing a bolt or bloodying a knuckle. Here’s how to do it.



What to Know When Choosing a Fork Oil

Fork oil must deliver consistent dampening, rebounds and performance so you can ride or drive confidently. Here’s what to look for when buying fork oil.



Why Does My Engine Knock? 3 Possible Explanations.

Do you hear an engine knocking sound when you hit the gas? It could be due to pre-ignition or detonation. Here’s what you can do about it.



How Engine Sludge Forms. And How To Prevent It.

Engine sludge is a black gelatinous substance that wreaks havoc in engines. Combatting engine sludge begins with using a high-quality motor oil.



Can I Use Diesel Oil in My Gas Engine?

You can use diesel oil in a gas engine provided the diesel oil meets the appropriate specifications and viscosity requirements of your engine.



Do Older Engines Need Oil With ZDDP Additives?

Using a high-zinc oil with a high dose of ZDDP additives helps protect classic car and hot rod engines. AMSOIL Z-ROD Synthetic Oil contains 1400 ppm zinc.