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 1,400 ppm zinc.



Hot AMSOIL Products for Your Hot Rod

Mark Moriarity Collection - Classic Car

AMSOIL makes a full line of products for your hot rod or classic car to help keep it running and looking great. Here’s a rundown.



What is a Lead Substitute (and Do I Need One)?

Lead substitute for classic cars

Engines built in the 1960s and earlier with leaded gasoline in mind can benefit from a lead substitute to help prevent valve recession and engine knock.



Murray Pfaff: Turning Concepts into Reality

Murray Pfaff

Murray Pfaff has built some of the baddest cars imaginable, including “FireMaker,” which makes a ton of power and a pair of flames from its flamethrowers.



Gordon Tronson: The Epitome of Awesome

Gordon Tronson with Double Trouble

He’s built his own Lamborghini, a Harley that runs on four engines, a 4,000-hp Econoline and a reputation as eccentric genius. Meet Gordon Tronson.