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.



Snowshoe GNCC – One of America’s Toughest Races

Mud, blood and beer. From my experience this past weekend in Snowshoe, W.Va., those three words pretty much sum up the AMSOIL Snowshoe GNCC. Mud: Class winners often disappear for lengthy amounts of time back to their trailers to clean up for the podium. Blood: One of the most grueling courses in event history. It’s

Read More



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.



Weed Eater Won’t Start? Try This

Weed eater, string trimmer, wee wacker cutting grass.

No matter what you call it – weed eater, weed whacker, string trimmer – chances are at some point it won’t start. Here’s how to get it running again.



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.