Gas Thread!
- Thread starter W800
- Start date
Tom G
"The Deer Hunter"
If the gas station has dirt/rust in the tank you will definitely notice it. It will clog up your fuel system. Diesel trucks are particularly susceptible to that. Long time back I was stranded in the middle of the road, had to clean out the fuel filter before I could continue home.
CDONA
Home of Vortex tuning
Winter blend hit, 10/01/20
My carbed fat boy always gave me fits with my first tank of winter blend.
It won't idle, like it gets a half dose of gas, and wheezes to a stop.
Until a week or so later when I refuel
There is a story I heard once in Thompsons Corner bar, , ,
My carbed fat boy always gave me fits with my first tank of winter blend.
It won't idle, like it gets a half dose of gas, and wheezes to a stop.
Until a week or so later when I refuel
There is a story I heard once in Thompsons Corner bar, , ,
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W800
Noob
I just looked up the difference in blends. Looks like Winter blend has more butane! That's just wrong. Yuck.
Busy Little Shop
Man behaving bikely...
Unless you happen to spy on the gas delivery truck you can't say for sure whos
gas you're really burning... my customers think they have noticed a difference
in one gas over another but it has always proved to be a false assumption
because it refers to judgment shaped by personal opinions and feelings instead
of actual outside influences... in other words done in a blind test it will show
that humans are easily fooled...
gas you're really burning... my customers think they have noticed a difference
in one gas over another but it has always proved to be a false assumption
because it refers to judgment shaped by personal opinions and feelings instead
of actual outside influences... in other words done in a blind test it will show
that humans are easily fooled...
Busy Little Shop
Man behaving bikely...
One gallon of pump gas contains roughly 125,000 BTUs of energy, whether it's
super octane 93 or regular cheaper 87 octane... Putting premium in our
modern engines designed to run on 87 octane fuel is largely a waste of money
and it won't make us go any faster... but add industry knows all to well that
words like "super" and "premium" do trigger our endorphins in a irresistible manner...
Reg Gas 125,000 BTU = 54,688 Big Macs
100 Octane Aviation gas leaded 120,000 BTU
Jet Fuel 125,000 BTU
Diesel 138,000 BTU
Quote a typical Honda Owners Manual:
"Your engine is designed to use any gasoline that has a pump octane
number of 86 or higher. Gasoline pumps at the service stations
normally displays the pump octane number. We recommend that you use
unleaded fuel because if produces fewer engine and spark deposits and
extends the life of exhaust. Use of a lower octane gasoline can cause
persistent "pinging" or heavy "spark knock" (a metallic rapping noise)
which, if severe, can lead to engine damage."
Caution:
"If "spark knock" or "pinging" occurs at a STEADY engine speed
under normal load, change brands of gasoline. If spark knock or
pinging persists. consult your authorized Honda dealer. Failure to do
so is considered misuse, and damage caused by miss use is not covered
by Honda's Limited Warranty. Occasionally you may experience light
spark knock while operating under heavy loads. This is no cause for
concern, it simply mean your engine is operating efficiently."
End quote:
Simple Octane test:
How do you keep from paying for more octane than you need??? Start
with the lowest recommended Octane and then listen to your engine's
internal combustion language... If you hear a ping or knock this is
your engine's cry for the next higher octane... no ping means engine
satisfied... so savoy riders start with the lowest octane and work up
listening for the ping or knocking...
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W800
Noob
IDK if it applies to bikes, but I thought cars had knock sensors that will advance the spark with higher octane? I don't think it's the British Thermal Units that cause high octane to make more power, I think it's the resistance to pre-ignition?
Re: what's in the ground at the gas stations, I think there's only a few refineries and different brands add slightly different additives.
Re: what's in the ground at the gas stations, I think there's only a few refineries and different brands add slightly different additives.
DannoXYZ
Well-known member
NO! Autos will only retard ignition when detecting knock. Ignition map is baseline most-advanced ignition possible by default. Then it’s all retarded from then on.
Pre-ignition is completely different event than detonation/knock/pinging. Engine typically only survives one RPM (if even that) after pre-ignition.
Pre-ignition is completely different event than detonation/knock/pinging. Engine typically only survives one RPM (if even that) after pre-ignition.
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W800
Noob
Ah, good to know.
gixxerjeff
Dogs best friend
Some brands are more ethanol heavy than others.
Frankly, I can't say I have ever noticed a performance issue with any of them but I have pretty much stopped having to rebuild my dirtbike (and even pressure washer) carburetors to repair "white death" since I switched from Union 76 to Chevron.
Frankly, I can't say I have ever noticed a performance issue with any of them but I have pretty much stopped having to rebuild my dirtbike (and even pressure washer) carburetors to repair "white death" since I switched from Union 76 to Chevron.
ScottRNelson
Mr. Dual Sport Rider
When I had my 2008 KTM 990 Adventure, the throttle bodies would tend to get a bit gummed up after a few thousand miles. The last time I had it serviced and they fixed that, I was told that if I put Chevron gasoline, with Techron, in it, I wouldn't have that issue. I sold it before going far enough to find out if it made a difference, but I've stuck with Chevron for my KTMs. The symptom was a snatchy throttle at small throttle openings. At 20 mph going from closed throttle to light throttle wasn't smooth and I got in the habit of slipping the clutch to get around that issue.
I still stick with Chevron when I fill up locally, even though I pay as much as three cents a gallon more. It can cost me as much as a whole fifteen cents extra to fill up there instead of at the Maverick station across the street.
Back in the 90's I had one car, a Honda Accord, that didn't run right if I bought fuel at Arco.
I know that my XR650L doesn't care what I put in it.
I still stick with Chevron when I fill up locally, even though I pay as much as three cents a gallon more. It can cost me as much as a whole fifteen cents extra to fill up there instead of at the Maverick station across the street.
Back in the 90's I had one car, a Honda Accord, that didn't run right if I bought fuel at Arco.
I know that my XR650L doesn't care what I put in it.
East Bay Mike
Well-known member
I use Chevron (probably because my parents always used it) but occasionally fill up with whatever, just for the hell of it.
I have no clue if there’s any difference.
I have no clue if there’s any difference.