whtbronco
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Yeah a hypereutectic piston has a high silicone content so I'm sure it's just a different term for the same the thing. I had never heard of hyper-silica, but being the same as hypereutectic was all that made sense to me. I mean in general there's a only a couple flavors of piston composition and manufacturing processes that I have ever heard of.
The tune is the source of so many issues with EFI engines and of course it's the answer as well. My sons 2000 Ranger runs terrific on that E85 corn syrup, but Ford screwed up the tune on E10 or higher gas content fuel and it's extremely prone to detonation. Eventually I will either try my hand at remapping the fuel curve or try to find someone to do it. I didn't have much luck looking for anyone local in the past.
The tune is the source of so many issues with EFI engines and of course it's the answer as well. My sons 2000 Ranger runs terrific on that E85 corn syrup, but Ford screwed up the tune on E10 or higher gas content fuel and it's extremely prone to detonation. Eventually I will either try my hand at remapping the fuel curve or try to find someone to do it. I didn't have much luck looking for anyone local in the past.