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Ky_man
Dodge Dakota
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9/20/2006
19:38:37
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 Subject: Premium?
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Message:
Ive been running on mid grade on my 5.2 for some time now. It
dings when I use 87 sometimes, but not 89. I was wondering if it
would be bad to try 91 octane. Anyone know?
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ScojoDak
Dodge Dakota
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9/20/2006
22:04:07
| RE: Premium?
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Sounds like a plenum gasket failure. That's a gasket under the intake manifold.
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ScojoDak
Dodge Dakota
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9/20/2006
22:06:09
| RE: Premium?
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I forgot to add that if you open the butterflies of the throttle body wide open, and look down into the intake manifold, and you see oil residue in the bottom, then the plenum gasket failed and needs replacing.
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little jer
Dodge Dakota
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9/20/2006
22:43:41
| RE: Premium?
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Well it could be that, or it could be just cheap watered down gas. I get gas for my Durango R/T at the same cut rate station. Most of the time it runs good on 87 with no problems, but sometimes it pings. I figure it's the gas. Lately I've been using 89 although the owner's manual says to use premium. My Dakota R/T also runs fine on 87.
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Paul
Dodge Dakota
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9/20/2006
23:35:01
| RE: Premium?
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Most gas stations in any given area get their gas at the same refinery/supplier. It is only the additives (or lack of) that differ from station to station. "watered down" gas is a myth. What would they "water" it down with? Water? I think you WOULD notice a difference then. And gas stations get inspected regularly for octane ratings and the such.
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Ky_man
Dodge Dakota
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9/20/2006
23:48:00
| RE: Premium?
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Message:
well see, it only pings wheen i give it gas. I already know it's just
old and does that. I had it checked. I'm just wondering it if would
hurt anything if i put premium in it.
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gen1dak
Dodge Dakota
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9/21/2006
00:27:55
| RE: Premium?
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No, it won't hurt.
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Old Dak
Dodge Dakota
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9/21/2006
08:41:15
| RE: Premium?
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Paul-you are watered down. Shaving a few octane points from the "blend" saves a station alot of coins. Most states have too few inspectors and too many stations to police them correctly. The chances of getting caught are pretty slim and then the only get warnings to correct the problem.Much to be made by thinning the blend and little chance of pain.
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71firebird
Dodge Dakota
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9/21/2006
11:40:36
| RE: Premium?
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Paul, the "watered-down" term actually has some merit with cheaper gas stations. they spen less money building and maintaing thier tanks (which are underground of course) so therefore you have a better change of rain water getting into thier tanks. Try an elcheapo station right after a heavy rain and see what you get.
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Paul is right
Dodge Dakota
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9/21/2006
15:05:01
| RE: Premium?
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Try adding water to a bit of gas and see what happens. Water is not soluble in gas, it will settle to the bottom.
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Paul
Dodge Dakota
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9/21/2006
20:16:09
| RE: Premium?
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I maintain 3 underground tanks, Unleaded, Bio-diesel, and ultra low sulfer diesel. It rains a lot here (nor-cal). At one point last year we had more rain in a month than Seattle. Never got water in the tanks. How is it gonna get in there? These tanks are not inspected for octane (not comercial tanks) but the integrity of the tanks are thourougly inspected by the state annually in order to maintain an operating permit. As far as octane point "shaving" goes, i'm sure it happens at really crappy stores. But quality and octane shouldn't be a problem at any halfway reputable station. If youre getting your gas from a dude in overalls and no t-shirt who is pumping it from a rusty tank in the middle of nowhere while petting his three legged dog, you deserve "watered down" gas.
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Old Dak
Dodge Dakota
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9/22/2006
06:20:33
| RE: Premium?
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Paul-Paul-Paul, You have to put away those strange plants that you smoke. EVERY major metro area in the nation has problems with lower than listed octane.(thats what people refer to as watered down for you people in Cal.) And yes, we know how to maintain fuel tanks in the normal 49 states. So quit drinking the bong water. Oh yes, Billy Bob says he has a couple(thats 2 for you in Cal) of hounddogs that want to meet with you.
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little jer
Dodge Dakota
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9/22/2006
09:10:13
| RE: Premium?
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I agree with Paul that a lot of non name brand gas stations get their gas from the same supplier. And I believe he's right about the only difference being the additives. If gas is watered down it can be transferred to your tank where it will settle to the bottom. But eventually if it keeps up and your tank contains more and more water, you're bound to have it go through your engine and it will ping worse than a ping pong ball tournament! You'll have to get some of those additives that will rid your tank of water or get it drained. the best thing to do is avoid the cut rate stations, That's hard to do when gas is 20 cents a gallon cheaper there, but it will save you money in the future.
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Mrme
Dodge Dakota
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9/22/2006
10:07:20
| RE: Premium?
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I saw on the History Channel that all Gas Stations Get their fuel from the same place, the difference is the stuff they add to the Gas to make it "Burn Cleaner" or Remember that Clear Gas that is being Sold by ummm,... I forget who but the prices reflect what the company has done to their fuel to make it special.
Mrme.
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Paul
Dodge Dakota
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9/22/2006
20:07:55
| RE: Premium?
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This subject is getting old but I will bite the hook and respond once more. I am by no means the expert on this subject, and I do not want to spend hours reasearching it. I did however do a quick google search and came up with a few things.
"Octane problems at Colorado's 38,722 public gas pumps -- whether accidental or intentional -- don't happen often, said Dick Piper, director of the Division of Oil and Public Safety.": http://tinyurl.com/lmybw
"Q: Do some station owners water down their gas to make it go further and to make more money?
A: The answer is NO. Gasoline and water do not mix. Water is heavier and will sink to the bottom; therefore, there is no advantage to add water to gasoline. Remember if you get water in your gas from a gas station and there is water detected at that station, they are obligated to pay for your damages. It is wise to keep your receipt to prove you purchased gasoline there.": http://www.ag.state.ut.us/regsvcs/wm_faq.html
Although there are of course some incedents of shady goings on at gas stations across the country, they are the exceptions and not the rule. So, I stand by my earlier statements. If you go to a reputable station, you don't have anything to worry about. And, although I live in California, I am not from here nor am I here by choice, so...crack all the jokes you want about California and Californians, I don't care.
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gen1dak
Dodge Dakota
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9/22/2006
22:37:32
| RE: Premium?
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There's also one legitimate excuse in that gas production is seasonal, or rather, affected by the seasons. As the fall approaches, the blends are changed to make them vapor more readily in cooler temperatures. Despite fuel injection, this is still an important feature. While production dates are set to the calendar, the weather doesn't always cooperate, and the cool-weather fuels arrive too soon/late, hot-weather gas arrives too soon/late. While the octane averages are maintained, the performance of the engine is affected, causing mostly minor issues, but can also cause pinging.
And then I have no doubt there are some under-handed deals going on as well in some places.
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novaDAK
Dodge Dakota
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9/23/2006
20:00:11
| RE: Premium?
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I believe it's the ethanol they're adding to the fuel now. ALL the stations around here have the sticker that says "Contains 10% Ethanol". Yes, the EPA says that all vehicles can run on this, but they fail to realize that our engines (5.2/5.9) were designed to run on 100 percent gasoline. They'll run ok on the E10, but won't run their best.
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