XK / XKR ( X150 ) 2006 - 2014

Hold on to your hats as E15 is coming

 
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Old 03-14-2019, 05:29 PM
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Default Hold on to your hats as E15 is coming

Just saw an article today saying the US EPA wants to go to 15% ethanol by memorial day. So how does this work in the 5.0 engines. I assume the timing range isn't an issue but other then performance/mileage is there a downside. here.
 
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Old 03-14-2019, 05:43 PM
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Great, like E10 didn't destroy enough rubber filler hoses in my Ford.
 
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Old 03-14-2019, 06:17 PM
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Originally Posted by AJ16er View Post
Great, like E10 didn't destroy enough rubber filler hoses in my Ford.
..... and all my lawn and garden equipment...
 
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Old 03-15-2019, 11:54 AM
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Lobbyist win again.
 
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Old 03-17-2019, 03:40 PM
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Owner's Manual for the 5.0 says:

This vehicle is not suitable for use with fuels containing more than 10% Ethanol.

Do not use E85 fuels (85% Ethanol content). Equipment necessary for the use of fuels containing more than 10% Ethanol is not fitted to this vehicle. If E85 fuels are used, serious engine and fuel system damage will occur.

Fuels containing up to 10% Ethanol (grain alcohol) may be used. Ensure that the fuel has octane ratings no lower than those recommended for unleaded fuel. Most drivers will not notice any operating difference with fuel containing Ethanol. If a difference is detected, the use of conventional unleaded fuel should be resumed.
I'm not sure about E15 - obviously it's more than E10, but nowhere near E85. Would. it be OK, or not? I guess we'd need a ruling from Jaguar.
 
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Old 03-17-2019, 04:33 PM
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Originally Posted by Ngarara View Post
Owner's Manual for the 5.0 says:



I'm not sure about E15 - obviously it's more than E10, but nowhere near E85. Would. it be OK, or not? I guess we'd need a ruling from Jaguar.
Some gasoline stations sell ethanol free premium gas, I'd buy that if you can find such a station by you. I am assuming you have to run premium anyways. There is not one advantage to running E10, much less E15, that I can think of.
 
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Old 03-17-2019, 04:56 PM
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https://www.westmarine.com/WestAdvis...nol-Fuel-Myths

Extracted from the above:

E10 only, not E15, for your boat!

We still don’t know how and when E15 will be offered for sale, or if it will ever be sold in your local marina. We do know that you don’t want it in your marine engine, as the experts are unanimous on the subject. According to Mercury Marine: “Fuel containing higher proportions of ethanol is not compatible with many fuel system and engine components and, if mistakenly used, will cause irreversible damage to these components that will lead to engine failure and potential safety risks.” At this time, we can only warn you about the possibility of confusion and the risk of accidentally filling your boat’s gas tank with E15.
 
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Old 03-18-2019, 05:40 AM
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Originally Posted by AJ16er View Post
Some gasoline stations sell ethanol free premium gas, I'd buy that if you can find such a station by you. I am assuming you have to run premium anyways. There is not one advantage to running E10, much less E15, that I can think of.
Actually, I normally use 95 RON (same as 91 octane in the US), which may contain up to 10% ethanol - there's no requirement to specify any ethanol content below 10%. I can buy premium 98 RON (US 94) if I want, or even 100 RON in some places, but I don't bother unless I'm planning to push the car hard. For everyday driving, I have found zero difference. The only benefit of ethanol is that it slightly reduces my carbon bootprint; as I can do that while saving money and not impacting the car's performance, it doesn't bother me.
 
 
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