Thread: Reg vs Prem
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GH85Carrera GH85Carrera is online now
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Join Date: Nov 2007
Location: Oklahoma
Posts: 86,118
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Originally Posted by speeder View Post
Every single gasoline vehicle in CA. runs on 10% ethanol full time. That's every single police car and taxi that runs around the clock 24/7, Every Charger Hellcat and McLaren or Ferrari, every Porsche including modified air-cooled, etc. And every motorcycle. I don't like that ethanol is required in our fuel, (reduces energy concentration slightly), but to fear running it is an old wives tale of the gear head set. It makes zero difference and actually is the easiest way on earth for refineries to add octane to gasoline. E85 would be an example of this.

We drive a hell of a lot more miles than people in the state of Oklahoma or just about anywhere else in the USA. That said, I'd love to be able to buy pure gasoline, (especially for fly-over prices), and grab it anytime I'm out on the road burning gasoline. That is rare, though, almost everything I own burns diesel.
Old cars biggest vulnerability was the old rubber hoses that ethanol ate up. Once updated to new alcohol resistant hoses, no big deal if the car is driven regularly. It is a big deal if it sits over the winter and water condensation is high. Ethanol is corrosive, and can damage fuel system parts.

Talk to any small engine (lawn equipment) engine repair. They will have lots of horror stories of Mr. average homeowner that lets gasohol sit in the equipment over the winter. Especially in older lawn equipment. I have a 3.5 HP edger I use on the 1/4 mile of edging at my house. It was bought new in 1988. Starts on the first pull. It has never seen gasohol.

So yea, all modern cars, no problem at all with E10. Even my 85 911, no problem but the rubber hoses are all replaced.
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49 Year member of the Porsche Club of America
1985 911 Carrera; 2017 Macan
1986 El Camino with Fuel Injected 350 Crate Engine
My Motto: I will never be too old to have a happy childhood!
Old 10-13-2022, 10:11 AM
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