How Do I Know If My Car Is A Flex Fuel Car

<p>1. 2016 Ram what type of oil should I use? Synthetic or not?<br /> 2. 2018 Ford F150 Coyote Engine has engine noise.<br /> 3. Which Muscle Car should I buy? 2010-2013 Camaro, Mustang, or Challenger?<br /> 4. Flex Fuel or not. How can I tell what my car is?<br /> 5. Thank you Under The Hood!<br /> 6. 2016 Toyota 4Runner coils an plugs or not?<br /> 7.2017 F250 Diesel Using a battery maintainer.</p> <p> </p>