CORN GAS RESULTS (pics!)

[Mrknowitall]

This is what happens when u add corn to our fuels and make them run lean.

She ran hot, slowly burnt her valve stem oil seals..

Run the 91+ people!!!





Cleaned dipped checked honed ballanced




I have a dyno video, should b up tommoro
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[frog210]

so we should run super unleaded?
I always just use unleaded
would it be better or are there any benefits?

[Mrknowitall]

91/92 burns slower thus ritcher.

Corn fuel or fuel with corn in it burns quicker and hotter, think of it like this:

2gal of corn fuel= 1mile
1gal of fuel=1 mile

Fuel with less corn is better. Corn fuel takes more to produce the same about of fuel power.
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Edit

Ive tested it in all 4 of my cars the 91 with cost increase is cheaper than buying crap gas. Thats in my 75c10 03hundai 01hundai 04hundai... Grandpaws 02chevy truck

[frog210]

Would it harm my engine if I just go from unleaded to super unleaded
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[frog210]

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[Mrknowitall]

Originally Posted by frog210

Would it harm my engine if I just go from unleaded to super unleaded
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No. I can guarntee it will run better! And better mpg. Do a google on the slowly degradeing of unleaded fuels in america, theyve been "watering it down" with corn for years. Ur truck on 91 would be like a cheap beer to a fine wine!
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[frog210]

I'm going to try this
When I do my next fill up
Should I expect my truck to smoke a lil or act up a little
My truck runs smooth and dosent smoke or act up
I don't want to switch and mess my truck up lol just being
Precautious
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[Mrknowitall]

Originally Posted by frog210

I'm going to try this
When I do my next fill up
Should I expect my truck to smoke a lil or act up a little
My truck runs smooth and dosent smoke or act up
I don't want to switch and mess my truck up lol just being
Precautious
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No it will not negatively effect u in anyway. If anything youll notice u dont have to give it so much throttle to get goin( hense more efficent)

If u try the higher octane ull love it. Dont waste ur time on the mid grade 89

Use 91/92 76's brand if possible. Ull never go back.
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[Mrknowitall]

San antonio!? I was just there! Us cali ppl arent used to ur humity i thought i was gonna die haha. But ya, try 91/92 and lemme know what ya think, its soooo much better, no lies
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[frog210]

Lol it is pretty humid here
Youll get use to it
I'll let you know
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[RandyP]

I don't think you need the high octane, just real gas. Most gas in places around here are either 100% ethanol or 10% mix ethanol with 90% gas. When I fill up my old square I go to the station that serves 100% real gasoline. In my newer truck (05) I run a tank of real gas through every 3rd tank. If I drove very much at all in my new truck I'd use all 100% gasoline as the fuel mileage is noticeably better. But with just going through a tank of gas every 3-4 weeks the cost savings for the 10% ethanol is fine with me. The real gasoline is usually .20 to .30 higher per gallon here. If I remember, real gas here is $3.45 for 87 octane and 10% ethanol/gasoline mix is $3.18 a gallon.

Sorta reminds me of back in the 70/80's when my dad would yank the catalytic converter off his company cars so he could run leaded gasoline in them.

[Number21]

Originally Posted by RandyP

If I remember, real gas here is $3.45 for 87 octane and 10% ethanol/gasoline mix is $3.18 a gallon.

Good freaking god. I just paid $4.47 for premium with 10% ethanol. "Real" gas is almost non existant here.

Octane does nothing for your engine unless your engine is built for it. If your engine runs fine without pinging on 87 octane then going to 92 is not going to change anything. You will not get better mileage unless you make a change to the engine, like advance the timing or increase compression. A modern car will do that automatically as you drive, so they will get better mileage. Your old Chevy will not. Most small blocks in trucks are built to run on 87. If your engine is running lean and burning valves, then you probably need to adjust your carb.

[andrewmp6]

Burnt valves and burnt valve seals have been happening way before ethanol was put in the fuel,So blaming ethanol for it is like blaming gm that your truck windshield has a crack.

[cory d]

i use 2 76stations, both have ethanol free gas and are less then 5 miles from me

[BlackChevy]

There is a gas station (round S.C.) called stop-a-minit that has a "regular only, non-ethanol" pump with real regular grade gasoline. When I can, I go there to get my gas. Especially for lawn equipment. I've heard some other people say it ruined their lawn mowers and trimmers. Ever since ethanol gas came out, I've had cans of Seafoam handy to put in everything that was unfortunate enough to get ethanol gas.

[Mrknowitall]

Originally Posted by Number21

Good freaking god. I just paid $4.47 for premium with 10% ethanol. "Real" gas is almost non existant here.

Octane does nothing for your engine unless your engine is built for it. If your engine runs fine without pinging on 87 octane then going to 92 is not going to change anything. You will not get better mileage unless you make a change to the engine, like advance the timing or increase compression. A modern car will do that automatically as you drive, so they will get better mileage. Your old Chevy will not. Most small blocks in trucks are built to run on 87. If your engine is running lean and burning valves, then you probably need to adjust your carb.

Let me just make this point to ur post. What was the corn content when ur truck rolled off the floor? What is it now?

Octane dose matter, it will run ritcher without adj of timing thus running how it did back in 80whatever.

Go test it then say its not true, i have.
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[Number21]

Originally Posted by Mrknowitall

Let me just make this point to ur post. What was the corn content when ur truck rolled off the floor? What is it now?

That is irrelivant considering my truck has had the engine replaced, how many are still on the road with their original engine?

Originally Posted by Mrknowitall

Octane dose matter, it will run ritcher without adj of timing thus running how it did back in 80whatever.

That's complete bull ****. It does not run richer by running higher octane gas! If you want it to run richer you adjust the carb, not the timing!

Originally Posted by Mrknowitall

Go test it then say its not true, i have.

I have, and you're full of crap. I don't have to test it to know these things, they are simply facts.

There are lots of reasons your engine might run lean and/or burn the valves. Octane is not one of them unless your engine is pinging.

Furthermore, CORN and OCTANE are two completely different subjects as well. Do you realize racing engines run on 100% ethanol? It has higher octane than gasoline...

[Mrknowitall]

Originally Posted by Number21

That is irrelivant considering my truck has had the engine replaced, how many are still on the road with their original engine?


That's complete bull ****. It does not run richer by running higher octane gas! If you want it to run richer you adjust the carb, not the timing!


I have, and you're full of crap. I don't have to test it to know these things, they are simply facts.

There are lots of reasons your engine might run lean and/or burn the valves. Octane is not one of them unless your engine is pinging.

Furthermore, CORN and OCTANE are two completely different subjects as well. Do you realize racing engines run on 100% ethanol? It has higher octane than gasoline...

Haha okay man
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[BLE 'BURBAN]

Hell I ain't seen a Union 76 station in over 30 years!! Got Chevron(Standard) and Shell stations up here other than them it's the local watering hole Tesoro or Mapco/Holiday stations and thats all watered down LITERALY!!!

I use nothing but the Chevron Supreme myself and have noticed a BIG difference in mileage over the lower octane fuels they sell.

91 octane I get 375 miles to the tank (40 gallon tank) 90 v2500 burb.
Anything less than 91 octane and I only get about 265-300 miles to the tank.

[Number21]

Originally Posted by BLE 'BURBAN

91 octane I get 375 miles to the tank (40 gallon tank) 90 v2500 burb.
Anything less than 91 octane and I only get about 265-300 miles to the tank.

A '91 burb has a knock sensor, it will automatically adjust the timing to prevent pinging as you drive. Most of the trucks here do not have this, and if you don't, you will see no MPG gains with any octane unless you make changes to your engine.

You would see a MPG gain going from 10% ethanol to 100% gas, due to the fact that it has more BTUs per gallon. This has nothing to do with octane.

If higher octane really gave you better MPG, then we'd all be running high octane racing gas and getting 20mpg. It's just not that easy.

[S10Fan]

Corn belongs on your dinner table, not in your gas tank.

[special-K]

I have never noticed any difference (mileage or power) using hi-test in anything,except high compression performance motors that require more octane. On those,I've never even tried using lower grade,so I haven't proven if there's a difference or not.
Carbs are adjustable for air/fuel mix and that's how you regulate lean/rich mixture. An intake leak can cause a lean condition at one cylinder bank causing one valve to burn.

[riz]

I have an engine from Beck Racing out of Arizona and I have to use the highest grade of gas due to the high compression and other goodies. Beck has only had one engine returned in all the years they've been in business.......... and that was due to the owner NOT using the high octane gas....... it caused fuel deposits or something like that.

RIZ

[BigBlocksRule]

If an engine is built to run higher octane (higher compression, etc.), it will make more power with higher octane fuel. If you run premium in your old 8:1 454 engine, the only reason it will get better economy is because your wallet is a bit lighter. You may actually lose mileage because the 454 was built to run on poorer quality fuel.
OCTANE is a fuel's resistance to detonation. Higher octane fuels burn more SLOWLY, not faster.
You're not burning valves or ruining guides due to ethanol - it actually burns cooler than gasoline. And cleaner by a good bit. I cleaned a set of pistons from an E-85 engine recently - a couple of squirts of WD-40 and the carbon came right off of the piston tops. Nothing like as tough to clean as the carbon build-up from gasoline.
Bio fuels are here to stay. I ain't saying corn is the best solution, particularly when we can buy raw sugar from South America for less than the corn it takes to make the same amount of sugar. And for everyone who thinks that the last stage of a corn kernel's life is the ethanol plant, do a little bit of research. That stuff is still fed to livestock and there's plenty of nutrition in it for 'em. Once technology provides us with a better solution than corn, it'll be in everything and a lot more than 15%.

[Zebb]

Low compression = Low octane fuel
High compression = high octane fuel

My wife would put 87 octane in her Cadillac to save money then complain to me that it was getting poor mileage. It took me a few attemps to convince her that her Cadillac was designed for 91 octane because it was a high compression motor.