I have a 1999 3.0 FFV. Owners manual states that it has 160 HP running on E85 fuel. What would the HP difference be running on 87 or higher fuel?

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1999 Ranger XLT Supercab
2WD, 5 speed manual, 3.0 Flex-Fuel
Has 180,500 miles and still runs like a champ.
17/21 mpg.

Ethanol has a higher energy content than gasoline so you have more hp with E85. Couldnt tell you off the top of my head how much less you will have with 87 octane gasoline.

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2003 Ranger Edge aka: "Roxy", 3.0, 2wd, 5-speed manual

The only fuel your engine is designed for is 87 octane normal gas or E85 Ethanol. Nothing else. Higher octane gas is for higher compression engines.

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(Formerly)
FireRanger
2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide

Actually, thats backwards. E85 has a lower energy content than gas.

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2003 Ranger Edge aka: "Roxy", 3.0, 2wd, 5-speed manual

I was about to yell at you lol.

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(SOLD)The Cleanest 98 in the World - Project Log
Ranger Photo Contest #138 Winner - Patriotic Truck
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2009 F150 FX4, lifted and stuff

Yeah forget the power increase part too. Im not really sure about that. Also, you will get better gas mileage with gasoline.

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Because gasoline has a higher energy content.

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2003 Ranger Edge aka: "Roxy", 3.0, 2wd, 5-speed manual

I occasionally get a ping with 87 oct. so I usually run 89 or better just to eliminate the ping. Prob just me - but it doesn't run smoother, with better throttle response with a higher oct.

The Dark Edge Rises! - 02 Edge 4X4 3.0L

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DOES DOES not dorsnt

The Dark Edge Rises! - 02 Edge 4X4 3.0L

E85 has a lower energy level but significantly higher octane level. Which is why people tune with it on their turbo cars-- higher boost capability

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-Alex
'10 Ranger XL 2.3L Manual
Mods: Stereo, Tint, Weatherguard rain shields, Intake silencer removal, LED brake, turn signal, reverse, license plate, and dome lights, DDM HID's (currently removed), lowered, 17" wheels with spacers, Explorer autodim mirror with Autolamps, Magnaflow exhaust, Buggman LED 3rd Brake Light...

E85 hard to come by here in Portland OR which is why I was curious.

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1999 Ranger XLT Supercab
2WD, 5 speed manual, 3.0 Flex-Fuel
Has 180,500 miles and still runs like a champ.
17/21 mpg.

For your truck, the ONLY difference in going to higher octane would be in the lightness of your wallet.

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FX4 4X4 SOHC, Automatic, keyless entry, floor mats, radio & heater

Maybe someone can explain why with 87 it pings. Yet with 89 or 91 it doesn't. That's worth the extra pennies to me.

The Dark Edge Rises! - 02 Edge 4X4 3.0L

I experience the same thing.

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1999 Ranger XLT Supercab
2WD, 5 speed manual, 3.0 Flex-Fuel
Has 180,500 miles and still runs like a champ.
17/21 mpg.

if you can find somewhere that has 100% gas instead of 10% eth you will get better gas mi and your truck will run better. I get about 425 mi on a tank of 100% and 375 with 10% eth. that's with a 4.0 ltr engine.

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ATLEAST ITS NOT OBAMA MOTOR COMPANY.
2011 ford ranger sport 4x4 super cab. skid plates x3. stock for now.

Timing? Carbon build up? Something is wrong causing it ping. Using 89 hides the problem. I would try some seafoam treatments.

__________________
(Formerly)
FireRanger
2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide

I've use it in the gas tank. But I still have a few thousand miles left on the oil so I was going to wait till I was ready to change it before I did a seafoam treatment.

I'm a tad concerned about doing a seafoam thru the engine. I've hard it causes oil leaks and such.

The Dark Edge Rises! - 02 Edge 4X4 3.0L