In my 13 fusion 1.6l eco. I run 87 octane. In my 2011 f150 3.5l eco.I run 87 octane. I drive 30k+ miles a year just back and forth to work in the fusion. The $ .50 a gallon more for premium would cost me $530 more a year just for the fusion. The 1 mpg I gain is not worth it for me. The fusion...
I will put in what the manufacture recommend fuel is. I don't think using premium is a good return on investment, unless of course that is what Ford recommends.
https://www.thepennyhoarder.com/save-money/premium-gas-vs-regular/
So the op doesn't want the 2.7 because it makes too much power, but wants to put a tune on a 2.3? I don't think adding a tune will make the engine last longer than manufacture designed it to. The 2.7 has the multi port direct injection the 2.3 doesn't. It's they're vehicle, but if they are...
I ordered the Mic top. I got the same dealer connection e mails. When I spoke to my dealer he said it was not affected, but I have no build date yet either. I read an article that said Ford basically took over the Webasto plant to get it sorted out. I guess we will see.
I ordered that top when I placed my order on march 19. I contacted my dealer to see if my top was going to hold up my shipment , he said no. Only painted hard tops.