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Hi new to FTF, I have a question about fuel additives to improve whats going into my engine or if it's just a waste, and maybe harmful. I have a 2011 Ranger 4.0 V6 & I live in California we have our own "designer blend" gasoline, I hear of corn ethanol in the gas too. A friend of mine is always suggesting I add "marvel mystery oil" to my fuel to lubricate and condition things in my top end of the motor. Lucas gasoline additive is also out there. He says gasolines in California esp. are dry, and over time seals will dry out, varnishes will build up etc. & says MMO will prevent this, any Ford mechs. out there that really understand this before I would make such a move? I recently started using full synthetic oil to keep things nice on the low end, I want the best for my well cared for Ranger, what say you pros?
Thank You Rjim
Thank You Rjim