Tag Archives: intake valve deposits

Turbochargers and Direct Injection Create Major Issues for Lubricants Is your brand keeping pace with the problems – not likely! Alex Thompson|Sep 06, 2017 11:04 AM Turbocharged, gasoline-direct-injection (TGDI) engines have been the topic of many AMSOIL blog posts and other publications the last few months, and for good reason. In recent years these technologies have taken […]