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E-85 and Gasoline blend

Hey Rick,

Well, anyone can figure their own miles per gallon... it's simple math. Total miles divided by gallons = mpg. Lets say you fill up your tank, drive 100 miles then top your tank off. If it takes exacty 5 gallons to top off your tank, then the math is simply 100 / 5 = 20 mpg. Most phones have a calulator and you guys are giving me way too much credit here :lol

As far as disceting the filter, I really didn't have the urge to cut it a part. What I do know, is that it took me a whopping $10 and 15 minutes to swap the filter out (It's $45 at the quick oil change shop) and it was so nice to not have the stench of gasoline pouring down my arm when took the old one off :D With that, E-85 smells kinda like rotten Vodka :lol

Anyway, what I've read is that gasoline leaves a residue inside the tank and lines. You know how old gas will varnish, I'm sure it's the same residue. The Ethenol simply cleans the tank and lines, hence the clogged filter which was expected. Nice thing about it, now my tank and lines are clean, so I'm not going to see that problem again. Actually, one of the articles that I read showed that the chevy fuel pump lasted longer on e-85 and when they laid the two side by side, the one that ran off e-85 was shiney white, while the other one was dullish. If you've ever changed a fuel pump, you know what I mean.
 
Pard,
Nice truck! I really like the Silverado :thumb

You know, I could never figure out why I was replacing so many diaphrams on my small engines until the guy at the shop told me it was because of the 10% ethenol. At least the diphrams are only a dollar! But what a pain. I mean, I hate working on the 'stuff' I need to use to do 'stuff' that needs to be done. My weed whacker is not my friend this week. :mad :lol

hmmm. I would have thought that Audi would have had compliant plastics for ethenol. :shrug GM does ;)
 
is this an older vehicle you are talking about? i have run my nissan on e-85 the fuel mileage remained the same. I dont have to do anything with my trucks they are ready to be run on this.

my ranger has the flex fuel option and so does my nissan.
 
StoveBolts said:
Jason,
It's a 2002 Chevrolet. No yellow gas cap. ;)
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odd we replaced a sensor on a 2000 chevy s-10 that was for measuring alcohol content. it was used for flex fuel. the program called shop key, stated that was for vehicles that are able to run on ethanol/gas mix.
 
I'm not sure why that is either. What I do know is that in 94, Chrysler had more e-85 compatible cars than GM did in 2006. Unfortunately, Chrysler didn't have the lobbying power in DC to get e-85 moving.

I'm kinda bummed. I filled up my car Sunday night and instead of the 60 /40, I was closer to 50 /50. The numbers arn't in yet, but I'm guessing I'll get around 25mpg. :gah I can't believe the difference 1 gallon can make. :shrug
 
are you saying I should add some 2 cycle oil in my gas tank? :confused :lol

Well, numbers are in for this tank. 24.6 mpg :sad It amazes me how much of a difference in mpg I can see when I don't get the blend right. But then, maybe it's the air conditioning too? Jason, how much of a dive will running the AC cause to mpg?
 
SB,

Ya, I like the truck a lot. Its surprising how much go that thing has, I think I have managed 0-60 in under 9, which is crazy for a 1 and a 1/2 ton car! That 6l helps a lot though...

the A/C will run your MPG up to about 10%, but it doesn't matter, if its hot do what ya gotta do, cause the windows down also run up your MPG, but they both run you the same amount on highway. On roads windows are more fuel efficient. (got this from Mythbusters :thumb )

Audi doesn't make e85 because it is not big in Europe. Actually, Audi is only good at making diesel cars. Diesel is big in Europe, they got over that ethanol stuff a while ago.
 
StoveBolts said:
are you saying I should add some 2 cycle oil in my gas tank? :confused :lol

Well, numbers are in for this tank. 24.6 mpg :sad It amazes me how much of a difference in mpg I can see when I don't get the blend right. But then, maybe it's the air conditioning too? Jason, how much of a dive will running the AC cause to mpg?
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for my truck nothing. and no i'm saying that one should put 2 cycle oil mix, but when the light is on you dont have money to get to gas and need to get to work. use the mixed oil. i have put to 3 gallons.

i will ask my coworkers on that as thier master techs.
 
jasoncran said:
vic i'm not putting oil alone its the mix of gas and oil to either 40:1 or 50:1.
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I know that. I know what a two stroke mixture is. I was a motorcycle mechanic from 1976-81. Back then, 50-1 mixtures weren't quite the norm. Bel-Ray and other oil manufacturers weren't producing such concentrated oils.

That was my reference and yes, I'm showing my age. :oops :D
 
pard, on the older model diesel built ere 2007, you can mix oil with desiel up to 40% and it wont cause smoking problems.
 
Well, I just wanted to post a little update. Yeah, I'm still blending e-85 :lol

Know that I fill up my tank twice a week and I usually take on just over 12 gallons at each fill up. Here is my rythem.
1st fill up, 4.5 gallong of e-85 then top off with gasoline.
2nd fill up, 4 gallons of e-85 then top off with gasoline.

Using this method the engine light has not come on and I've got good power. As it reflects on MPG, I'm actually getting about .5 miles per gallon more than when I run straight gasoline.

After resetting the computer by going to autozone and asking them to reset it for free, as a whole, I usually get right at 26 mpg with the E-85 blend. When I run straight gasoline, I get right around 25.4 mpg. With the e-85 blend on a road trip I actually got 29 mpg with a cruising speed of around 72 mph.

I'm happy! Do the math, and if I can blend my fuel every fill up we're talking about 8 gallons of E-85 a week. That's a saving of around 3-4 dollars depending on the spread between gas and e-85 and I'm getting better fuel miledg. That's 32 gallons a month not going over seas or 12 - 16 dollars per month that stays in my pocket. :)
 
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