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I have been seeing alot of these flex fuel cars. What make em different from a regular Vulcan.
 

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Flexible Fuel Vehicle, a Vulcan modified to safely run on fuel consisting of 85% Ethanol (corn oil, I believe.) Ethanol is highly corrosive to rubber, and I believe other parts normal to the Vulcan, so the FFV vulcan is beefed up with parts that can withstand the corrosion. Also, Ethanol has a much higher octane rating (upwards of 100), so the FFV Vulcan is designed to take advantage of the higher octane rating. Take away the Ethanol, and it's the same Vulcan.
 

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ok what is the hp on a FFv and a regular Vulcan, I know things have change from 92 140hp and 150tq.
 

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As far as I know, there is no difference in hp between ffv and a reg. vulcan....
Gen 3 is 145hp and 170 lbft.
Gen 4 is 155hp and 185 (or 186?) lbft
 

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I've been told that the FFV Vulcan produces 2-5 HP more than the regular vulcan due to having larger fuel injectors and a few other optimizations.
 

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Originally posted by PC_Marine@Mar 1 2004, 09:44 PM
I've been told that the FFV Vulcan produces 2-5 HP more than the regular vulcan due to having larger fuel injectors and a few other optimizations.
I have read the same thing before. I was trying to authenticate the info but couldn't find it. It might have been on my service manual CD-ROM but I don't have it here at work.
 

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Yes, the FFV does have larger injectors. You can verify this by looking up the injectors in a parts catalog. The FFV engine has a sensor that determines the ethanol content of the fuel and adjusts the injector rates accordingly.

Here's a snip:
QUOTE
The cost of making cars or trucks FFVs is estimated to be as much as $300 per vehicle, which Ford does not pass on to the consumers. Upgraded components in FFVs include the fuel pump, fuel rails, fuel injectors, fuel lines and filler pipe. In addition, the package includes a unique electronic engine control module to calibrate engine response to different fuel mixtures of gasoline and ethanol.[/b]
Source
 

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They don't pass the cost on to their customers cause they make it up when a part fails on a FFV. My fuel pump cost $290
.
 

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Originally posted by stang2be@Mar 2 2004, 03:30 PM
So could you put the FFV injectors on a non ffv vulcan and get any gains?
Just adding larger injectors won't get you any gains, if you add fuel you gotta add air too. Larger injectors are useful (and necessary) if you want forced induction or certain other performance upgrades.
 

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some say the fuel economy is not as good on the ffv. if you look at the projected stats the fuel econemy is almost equal. if you the ffv on the corn alcohol you will loose about 5-7 miles per gallon on the projections i read. i dont know the cost of the fuel but with results like that it would need to be a lot cheaper to justify 12 miles to the gallon.
 

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There are also FFV Rangers, as well, which use the same 3.0L engine.

This chart gives a pretty good side-by-side comparison of E85 against other fuels: Source
 

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hey i run 10% ethanol gas and my car starts fine when its cold, i guess someone bull s***ing somewhere, oh well i may save my money and buy a ffv taurus so i can save money meaning iowa is dropping the tax off e85 gas, because the state is a big producer of e85
 
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