Field Report: Are Piston Coatings Worth Having AND Can Coatings Save Your Engine?

Are piston coatings going to save you from a bad tune, and if not, what’s the point? MAHLE Motorsports engineer Eric Grilliot answers these questions and more during a Performance Racing Industry Trade Show visit. Discussed are how different coatings can look identical to the naked eye but will often have different purposes and intents between manufacturers and also locations on the piston. Top Fuel piston coating vs OEM vs racing and even street applications are touched on along with why di...