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Post by nightwishkid on Sept 15, 2014 13:33:50 GMT -5
A new WAWA just opened up and they sell ethanol free "boat fuel" but its only 89 octane. so which do yall this is better for the Chinese scooters, lower octane with out ethanol, or %10 ethanol with higher octane?  |
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Post by ghcoe on Sept 15, 2014 18:20:30 GMT -5
My manual says 91+ octane. If that ethanol free fuel was 91 I would be all over it.
Just a hint. How many hoses does that pump have? By the looks of the photo just one. The hose alone will hold about a gallon+ of fuel. If you select a different fuel grade from the person in front of you, you will get about a gallon of their selected fuel grade. If they used a lower grade of fuel you just paid premium grade price for low grade fuel in your scooter. Most scooters only hold a little over a gallon. I look for pumps that have separated hoses for all the grades, or I take a gas can when I fill my car and fill the can after I pump a gallon or so into the car.
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Post by gatekeeper on Sept 15, 2014 19:46:42 GMT -5
The Chinese use a different method to rate the octane levels in their fuel than we do in the U.S. Their 91 is about equal to our 87. I use 87 octane in all of my two wheeled vehicles with no ill effects.
For the difference in price that your picture shows I would not opt for the ethanol free.
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Post by rockynv on Sept 15, 2014 21:34:23 GMT -5
With the soft heads found in most Chinese scooters I found that I did not have to adjust the valves as often using a middle grade fuel. Once you get above 87 octane they usually put cleaners and pressure additives to better protect your valves and valve seats. The cleaners they put in will usually be at least three times the minimum required by EPA in regular.
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Post by SylvreKat on Sept 15, 2014 22:30:18 GMT -5
My motorcycle mech said it's about a toss-up, using octane booster on lower-grade pure gas vs crapanol-fighting stuff in higher-grade crapanol gas. He recommended I just fill with premium from a good station and use the additive, 'cause then I'm not limited to the couple stations with clean gas.
I will say, my car is SO much happier with pure gas back in his gullet. He just wasn't designed to run on corn.
And something rocky said, the better brands do add stuff to help counter the corn. Gas is not gas. Shell and BP gas gave me 16-18 mpg. Conoco etc gave me 12.
My suggestion is find a BP or Shell with sep pumps, and see which grade gets you the best mileage and the best performance. And go with that, plus some of the additive stuff.
>'Kat
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Post by bvance554 on Sept 16, 2014 0:07:38 GMT -5
I have lots of Wawas near me in VA, but I've never seen that pump. However, I'm not going to pay that much of a premium for ethanol free gas. 10% hasn't given me any trouble. As for premium having more additives - at some places yes, but not at Wawa. Stations like Shell will tell you (advertise) that their premium contains more additive. If they don't advertise that fact, they don't. For my scoot I use Valero only because they have separate hoses. I usually use premium because when I'm pumping a gallon of gas its hard to cheap out and not spend an extra $.20-.30 for something that may be beneficial, but in reality I have never been able to notice any difference between 87 and 892 octane.
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Post by rockynv on Sept 16, 2014 3:47:54 GMT -5
I have lots of Wawas near me in VA, but I've never seen that pump. However, I'm not going to pay that much of a premium for ethanol free gas. 10% hasn't given me any trouble. As for premium having more additives - at some places yes, but not at Wawa. Stations like Shell will tell you (advertise) that their premium contains more additive. If they don't advertise that fact, they don't. For my scoot I use Valero only because they have separate hoses. I usually use premium because when I'm pumping a gallon of gas its hard to cheap out and not spend an extra $.20-.30 for something that may be beneficial, but in reality I have never been able to notice any difference between 87 and 892 octane. The only difference you may note is how far you have to turn the valve adjusters during your next valve adjustment, noting how clean the top of the cylinder may be or possibly the amount of oil accumulating in the purge tube when you check it. The results can be very gradual and be as simple as only getting 10,000 miles or less from the engine instead of over 20,000 before rebuilding it. On a Piaggio 250 the difference could be getting 30,000 miles before needing a rebuild and getting over 80,000 - 100,000 miles. |
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Post by surfpick on Sept 28, 2014 7:00:59 GMT -5
I'm gonna go with Sunoco's 89 corn-free blend.
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Post by xyshannen on Sept 28, 2014 12:49:44 GMT -5
I didn't vote because my option isn't listed. Ethanol free gas is next to impossible to find here. Off of the top of my head, I can't really think of even one station that has it. But having said that, I know how picky the carbs are on these little air cooled engines and with only having to buy 1.1 gal at a time. I just opt for the best gas avaialble. Like has been said usually your higher octane has additives that are "supposed" to help keep your engine (and carb) clean. I don't know ohow well they work, but at the very least they can't hurt.
Heck once I'm done building my engine up the way I want it with at least 11 to 1 compression octane booster isn't a bad idea, and with 75+ MPG and only 1 gal at a time, this is still a very affordable option.
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Post by Jarlaxle on Sept 28, 2014 15:39:17 GMT -5
Per the manual, my Burgman gets 87-octane E10.
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Post by blue on Sept 28, 2014 20:12:50 GMT -5
If thats true about the extra gas in the hoses.that means I have been over paying for gas at times.because I only have a 1.5 gal.tank.
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Post by alleyoop on Sept 28, 2014 21:41:51 GMT -5
Actually Just read about that today in the newspaper , it said there is about 1 quart of whatever gas was last used in the hose.
Alleyoop
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Post by scooter on Sept 28, 2014 23:26:46 GMT -5
I buy premium for the scooter. I'm sure it has ethanol in it. I don't know what that is doing to the engine. All I know is my carb is super clean inside and I have no gas problems that I know of.
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Post by rockynv on Sept 29, 2014 3:44:33 GMT -5
Remember too that the premium gas has more than just cleaners and additives to prevent predetonation as it also contains additives to cushion the valves so they don't hammer at the seats so badly and take longer to wear in. If you have to keep loosening your exhaust valve when you adjust it that means that the valve is sinking into the head and that you may need to jump up a grade or two on the gas that you are using,
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Post by bvance554 on Oct 1, 2014 0:53:51 GMT -5
Remember too that the premium gas has more than just cleaners and additives to prevent predetonation as it also contains additives to cushion the valves so they don't hammer at the seats so badly and take longer to wear in. If you have to keep loosening your exhaust valve when you adjust it that means that the valve is sinking into the head and that you may need to jump up a grade or two on the gas that you are using, Cushioning additives? Never heard of such a thing. |
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..BAD TO THE BONE..
