Ethanol fuel
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Mountain Pass
Joined: Oct 2017
Posts: 231
Likes: 16
From: Bismarck ND
Ethanol fuel
Pickup is a 1993 F250 with a 460. I am running a Quarterhorse, so I can easily tune for different fuel types.
What do I need to do to run ethanol in my pickup? Mostly curious about 10-15%, but I'm also curious about E85.
What can ethanol potentially damage in a vehicle that wasn't designed to run it? Fuel pumps? More frequent filter changes?
Is it simply a volume issue, since you need more ethanol to make the same power?
What do I need to do to run ethanol in my pickup? Mostly curious about 10-15%, but I'm also curious about E85.
What can ethanol potentially damage in a vehicle that wasn't designed to run it? Fuel pumps? More frequent filter changes?
Is it simply a volume issue, since you need more ethanol to make the same power?
Cargo Master
Joined: Nov 2009
Posts: 2,190
Likes: 620
You have to run a richer Mix. Which means the computer would need to compensate for it. The Quarterhorse might do it, no idea, never messed with one.
But you're going to need to basically replace every piece of rubber in the fuel system, to run E85. The Higher ethanol content will just destroy it all, as the rubber in the system wasn't designed for it.
E10 or E15, you're already getting at the pump, in most places in the US, unless you happen to be buying "Ethanol-Free" Fuel specifically. So you don't have to do anything, you're probably already running it.
But you're going to need to basically replace every piece of rubber in the fuel system, to run E85. The Higher ethanol content will just destroy it all, as the rubber in the system wasn't designed for it.
E10 or E15, you're already getting at the pump, in most places in the US, unless you happen to be buying "Ethanol-Free" Fuel specifically. So you don't have to do anything, you're probably already running it.
Fleet Mechanic
Joined: Aug 2015
Posts: 1,838
Likes: 367
From: Candy Mountain
The 94 owners manual has some specs on additives, and states that up to 10% ethanol is fine. It also states, as does the workshop manual, that low quality fuels can cause hard starting, stalls, etc.
I run e10 with no problems, but you do loose a bit of mileage compared to ethanol free. Not enough difference in performance to make up of the difference in price for everyday.
I run e10 with no problems, but you do loose a bit of mileage compared to ethanol free. Not enough difference in performance to make up of the difference in price for everyday.
Thread Starter
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Mountain Pass
Joined: Oct 2017
Posts: 231
Likes: 16
From: Bismarck ND
The 94 owners manual has some specs on additives, and states that up to 10% ethanol is fine. It also states, as does the workshop manual, that low quality fuels can cause hard starting, stalls, etc.
I run e10 with no problems, but you do loose a bit of mileage compared to ethanol free. Not enough difference in performance to make up of the difference in price for everyday.
I run e10 with no problems, but you do loose a bit of mileage compared to ethanol free. Not enough difference in performance to make up of the difference in price for everyday.
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