Yes I did a search and most of the crap was for twin cam. I want evo what fuel additive should I use to level out the ethanol in the gas. Not even and is there a type I should look for. Octane boost, fuel system cleaner etc and would I need to put it into the tank every fill up or every other or once every 100,000 miles lol. And which one will give 20+hp ( I'm just kidding on the last one)

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The only thing I add to my gas is lucas fuel treatment about every 3 tanks & I run the middle grade gas or the High price one , Never had any trouble from either grade gas with ethanol in it , Mines a 94 EVO stock as far as I know

 

Additives would be the same for TC and Evo.....

 

Ok wouldn't of thought that since most are efi and evo are majority carb. But thank you

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I have yet to put any additives in my bike and I've been riding her for 35k miles.

Why do you want additives?
If you tune the carb right you will be fine.

 

Gas is the same and what happens once the fuel hits the combustion chamber is the same.

So help me get my head around this corn fuel thing...do some states not sell ethanol fuel and others sell only that?

We have maybe 10% of our gas stations...if that, selling "eco fuel".

 

E10 (10% ethanol + 90% gasoline), has been around since the oil shortages of the 1970's. More and more states have mandated the sale of E10 aka 'gasohol' for automobile use. Most stations now have E85 (85% etanol +15% gasoline) Anyway, the big bugaboo, is that the AMA (American Motorcycle Association) and others, have been protesting the EPA's (Environmental Protection Agency - don't get me started...) desire to REQUIRE all vehicle to use E15 (15% ethanol + 85% gasoline) This would be detrimental to older vehicle (which the EPA views as EVIL) where many of the internal components would not fair well with the increase in ethanol content.

My 93 came from the factory ready to use E10 (gasohol), but it cannot use E15. Smaller gas engines in ATV's, Lawn Mowers, etc. would also be affected.

There are stations in some states that still sell 'pure' gasoline. Of course there is still racing fuel and aviation gasoline, both are expensive to run.

 

Might want to correct that..

E85 is 85% ethanol, which has a stoichiometric A/F ratio of 9.9:1, where gasoline is 14.7:1. The more ethanol in the fuel=the more fuel needed to do the same job because it has less BTU's and is much less efficient.. The mandate, right now, is E10, because the Gvmt is here to save us from ourselves!! (I'm really trying to refrain....) The big push at this time is for E15.

The thing to remember, in our cases as old iron owners, our vehicles were not manufactured with components that are made to soak in ethanol. alcohol is a solvent, a dry one at that. It also has a wonderful tendency of absorbing water, which is why you don't find it at the marina's.. The alcohol will dry out the rubber hoses and diaphragms in the fuel system and dissolve(loosen up) any gummy residue in the fuel system.. Since we've been forced to run this garbage here for the past several years(by the way, its been around for a long time, but not mandated till '07 or so), we've all dealt with most of the repercussions of it by now.. The long term effect will be more in tune to the water and rust element created by it and any damage it does to our tank liners.. Is there a magic additive that can eliminate this problem, I doubt it.. Mabee some witches brew of Marvel Mistery oil or ATF to lube thigs a bit, but I just don't obsess on additives. I run my bikes(any everything I own that burns gas) at least once a month, trying to keep it from collecting too much water.. It will deteriorate faster than 100% gas, as well.. My recommendation would be to always fill with 100% and run the ethanol out, before winter or long term(more than 1mo) storage and run the carb dry.. Keep the tank full and you should be fine... I worry more about my chainsaw and weed eater.... As you have issues, always replace deteriorated fuel components with ethanol compatible rubbers..

Now, just for arguments sake, I'll throw in a perk of ethanol... It does burn cooler with a higher octane, providing resistance to detonation from higher compression and spark advance.. So, the racers tend to like it. E10 isn't a high enough concentration to do much, but regardless, you need to provide more fuel to do the same job..

Just remember to watch what our representatives are voting for, guys... These asshats want E15 now, and who knows what concentration to come...
Ethanol is made for drinking, not running engines. The corn needed is also causing grain and protein prices to rise.... ok, I'll get off the soapbox before I get carried away..

 

You are correct. I got it edited. Hadn't had my second cup of coffee yet when I posted.

I've run E85 in rental cars, and the mileage is mediocre at best. From what I've been told, it's pretty much a 'wash' when dollars per mile are calculated between using E85 and E10. The people who own pickups and tow things, say there is a substantial difference when towing.

The EPA push for E15, if it happens, will cause problems in the long term for vehicle/equipment not designed to handle the increase in ethanol content.

 

Good post HGM. I rebuilt my carb a couple of years ago. Time and E10 had taken it's toll on the seals. I went with a rebuild kit that had Viton seals. Viton is more resistant to ethanol.

http://www.pspglobal.com/v-biofuels-ethanol.html

The only thing I add to gas is MMO. Don't know if it really does anything, but it can't hurt. Lots of info out there about it. Here's one thread:

http://www.bobistheoilguy.com/forums...Number=2656307