Unleaded Fuel

citrusflight

I fly 76 Lance with IO-540

From my little research I am in anxiety mode. One law to ban 100LL. No solutions.

Three fuel types wont cut it. FBOs will pick one type and from what I read you cant mix them so when on a cross country you may be stuck. Lycoming SI 1070AB does not cover IO-540-K. Are there any effort to delay this (2030) or consolidate one fuel type for GA pistons? Is Piper Owner lobbing for GA?

Thanks all Happy 4th weekend.

RJM

griff390

https://piperowner.org/talk/discussion/157714/unleaded-fuel

Hi RJM;

According to the FAA's EAGLE unleaded fuel program, all leaded and unleaded fuels may be mixed in any ratio or proportion.

That being said, it's up to the owner/operator to ensure that the fuels meet the requirements of the AFM (Aircraft Flight Manual) for that particular plane.

https://www.faa.gov/unleaded

The FAA, along with private companies are developing drop in replacement fuel(s) that must also meet market demand quantities (currently ~400 million gal/yr), have distribution channels that can supply all areas of the country, and is compatible with all engines including turbo, high performance and vintage.

Tom_Jax

I haven't heard of any attempts to further delay the sundowning of 100LL. This is due in large part, I suspect, to the only approved manufacturer of TEL, Innospec, publicly announcing they will stop production in late '28-early '29. They have a critical component that will be due for replacement that won't be worth investing in with the legal requirement in place to stop using it.

GAMI is furthest along, and if they were more open to discussing the paint/seals issues, rather than finger pointing, and had gone through PAFI/EAGLE, I believe all the anxiety pilots are feeling would go away.

citrusflight

Jim and Tom thanks for your feed back

cherokee383

I'll have to look at my notes, but when I went to Lycoming tech school, I remember them saying something about all of their engines are good with high octane no ethanol auto gas. I'll dig for my notes and get back with you.

Tom_Jax

Kyle, I'd love that info, too. I have an IO-360-CIC6 in my Arrow, and am not on the STC AML for any of the auto fuel options.