Timing chain stretch can affect some modern turbocharged, gasoline-direct-injected (T-GDI) engines, triggering a check-engine light. Here’s what you can do.
The Sequence IIIH Test is designed to screen oils for their ability to protect modern, hot-running engines. Even after doubling the test, AMSOIL delivered.
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.
