What Type of Oil Goes in a 2006 Chrysler 300 2.7 DOHC V6 Engine? by Richard Rowe . Close-up of coal image by Marek Kosmal from Fotolia.com. The Chrysler 2.7-liter V6 is a fine engine with some serious issues. If yours is still running, you need to switch to the appropriate oil before the entire assembly seizes up and dies without warning. The Problem.