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  1. 3rd Generation Optima (2011 - 2015)
    I have a 2013 optima SX that I recently bought and I was trying to find out if I can use E85. The manual doesn't say you cant but it does say that it can void your warranty. So who has opinions on this?
  2. Engine and Technical Discussion
    Hey so a local gas station to me recently started carying E85, does anyone know of a good flexfuel kit for a 2012 optima lx. I found one on
  3. Engine and Technical Discussion
    basic e85 tune gona add some more timing and adjust some more parameters and hop back on again , car has way more in it. 2013 verano turbo 6sp auto e85 tune
  4. Engine and Technical Discussion
    Hey guys winter is finally over got around to e85 tuning today Max tq for you guys Car has a little more in it but done for today
1-4 of 4 Results