FireInTheWire
Caprock Crusader
No sir. I did not know that. Appreciate the heads up! I won't be so limp wrist'd next time.
The bottle said treats 25gals. So I'm usually just 'eyeball' when filling up my 5gal tanks.
Ethanol vs Non Ethanol fuel
- Thread starter Bozz10mm
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The bottle said treats 25gals. So I'm usually just 'eyeball' when filling up my 5gal tanks.
morning, I use the shell 92 octane in everything accept my
Yamaha 250SHO. I use 87 do to the engine restrictions.
because of the compression ratio. lawn mowers and
weed eaters start quicker quicker with the
92 octane. justme gbot tum
Yamaha 250SHO. I use 87 do to the engine restrictions.
because of the compression ratio. lawn mowers and
weed eaters start quicker quicker with the
92 octane. justme gbot tum
What in the compression ratio would preclude the use of 92 octane?
High compression REQUIRES high octane to prevent detonation. It won’t hurt a lower compression engine, it will just have slightly less power. Probably not noticeable.
And given that higher octane fuel is more stable than lower octane fuel, I don’t see how your other engines start easier than if you just fed them what they were designed for.
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High compression REQUIRES high octane to prevent detonation. It won’t hurt a lower compression engine, it will just have slightly less power. Probably not noticeable.
And given that higher octane fuel is more stable than lower octane fuel, I don’t see how your other engines start easier than if you just fed them what they were designed for.
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morning, a Yamaha 250 SHO cost $25,000. if the manufacture
says use 87octane that is what I use for warranty reasons. u do
not have to preach engines and octanes to me. I have been
a A&P licensed aircraft inspector for many years . do all my
own vehicle repairs for 50 years. build racing engines onandonandon.
I am 74 and still due all my own repairs on my 3 4 wheel drives.
justme gbot tum
says use 87octane that is what I use for warranty reasons. u do
not have to preach engines and octanes to me. I have been
a A&P licensed aircraft inspector for many years . do all my
own vehicle repairs for 50 years. build racing engines onandonandon.
I am 74 and still due all my own repairs on my 3 4 wheel drives.
justme gbot tum
That is no longer universally true. Modern direct injection engines with their dramatically revised piston and combustion chamber geometry, coupled with variable valve timing, have made it possible to make a lot of power on lower octane fuels. Case in point, late 80's/early 90's Mustangs' 5.0 liter V8 made 225 gross (e.g. no accessories) crank horsepower, was considered "High Output" and required 91 octane. Now we have pretty pedestrian stuff like the 3.6L V6 in my wife's Buick that happily makes 310 SAE NET (e.g. all accessories) crank horsepower on 87 octane.
That’s true. My point was only that some engines require higher octane to prevent fuel from detonating early. Putting high octane fuel in an engine designed to run on lower octane is probably not going to cause any harm. And high octane fuel definitely isn’t going to combust more easily in an engine that doesn’t require it.
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Lot of boats up here in AR, so many of the grocery store stations are now carrying an ethanol free, high octane grade; and at a bit cheaper price than the boat dealers charge.
For the four months I store mine, I use Sta-Bil.
For the four months I store mine, I use Sta-Bil.
It's hard to fine non-ethanol fuel in my area. So I use ethanol in my lawn mower, wife car, my truck and my Harley. I have no issues with the ethanol e
Murphy in Rockwall has it if you happen to be driving by.
Bucees here in Melissa had ethanol free but it's something like $3.80 when 86 octane is about $2 per gallon. I'll see in a few months if the cup or so of regular starts easily in my weed whacker and lawn mower. I only went through about a gallon of gas every 2 weeks in the summer lawn Care months, but I don't think I'd pay nearly double for my lawn equipment.
When it warms up and the grass really starts growing I'll fill up my motorcycle to see if there's any butt-dyno difference, but I'm not expecting anything.
When it warms up and the grass really starts growing I'll fill up my motorcycle to see if there's any butt-dyno difference, but I'm not expecting anything.
Buccees around here are about .10 more than mid grade and better octane rating.
QT's are all carrying it that I've seen - and as noted before, the newer Murphy's are, as well.
Just filled up with ethanol free, it was $3.39 per gallon, 86 octane was $1.99 per gallon. FWIW the ethanol free octane rating was higher than premium. I know my bike runs just fine on regular, but I assume Bucee's runs premium octane for the ethanol free to help justify the price.
2.46 a gallon for E-Free at Buccees in Bastrop
Paid $2.62 a gallon at QT in Georgetown last week. It was rated 90 Octane. My Expedition seems to have a little more pep with Non Ethanol and is getting about 1.5 more mpg. Doesn't make up for the 50¢ difference in price from regular, but I only need to buy gas every other month so I don't care.
Some places still sell 102 or 104 octane unleaded for older hot rods and tuned street cars. If you put that in a regular stock vehicle, you wasted your money because it contains less energy potential by volume than lower octane fuels, despite the higher knock/pre-ignition resistance. In a nutshell, if you don't need it, you don't want it.
Except for the Belfair, Wa. airport, the last I saw octane anywhere near that was at the Harley dealer in Lincoln, Ne. at 100 octane. The highest I've seen is 93 octane (premium) at any gas stations, and that's including when I was traveling the U.S. on my bike.
I'm trying to figure out how I'm going to get my rv up to the pumps to fill the generator tank. The local Murphys in Gun Barrel City recently rebuilt the gas station and added Ethanol free gas. 50 cents more than regular and a penny more than diesel. $2.56 IIRC.
Sunoco racing gas has a lot of sellers in TX. They have quite a few varieties including leaded, 100 octane and others. You can lookup who sells it near you using their website:
https://www.sunocoracefuels.com/
I believe most of the places listed sell it by the container, not at the pump. I’ve seen it at the pump in CA, but I no longer have a need for it, so I haven’t looked too much into it.
If you click the seller link it’ll tell you how it’s sold at a particular place.
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https://www.sunocoracefuels.com/
I believe most of the places listed sell it by the container, not at the pump. I’ve seen it at the pump in CA, but I no longer have a need for it, so I haven’t looked too much into it.
If you click the seller link it’ll tell you how it’s sold at a particular place.
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