What Is A Rat Rod, Revisited

What is a rat rod? Simply put, it’s a blue-collar hot rod. But, as Rat Rod Magazine Editor-in-Chief Steve Thaemert says, it’s much more than that.



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.



2019 Expedition Colorado – Wide Open Spaces

Expedition Colorado

Expedition Colorado is back, this time with a 1976 Bronco. Join Brad and Roger Lovell and their crew in completing the course for a chance to win.



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.



For the Hellephant: We Dyno Mopar’s 1,000-hp Crate Engine

Vehicle builder and TV host Kenny Hauk brought his Mopar Hellephant engine to AMSOIL for a dyno run. Find out if it made its advertised 1,000 hp.



Street Rodder Road Tour and Local Car Clubs Stop at AMSOIL

Road Tour Director Jerry Dixey has amassed more than 500,000 miles over 20 years leading the Tour.



Can I Use The Same Oil Filter Twice? (And Other Oil Filter Questions Answered)

Oil filter

In theory, your oil filter has a simple job: capture wear-causing contaminants and hold them in the filter media so they don’t run amok inside your engine. But lots of factors can throw a wrench into this plan, which can raise filtration questions.