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  #16  
Old 11-29-2006, 03:31 PM
joeprunc joeprunc is offline
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Re: The Truth about Gasoline

Quote:
Originally Posted by Buzzkill1
I had the same problem and switched to shell gas vice the Top Tier Gasoline and it went away. Try it......I was a disbeliever and so was the Kwik Trip guy who had the same problem that now uses Shell lol.....It's the cleaner that's in it, it cleans out the carbon between rings.
I believe this noise that you all are talking about is a sticking lifter. It happens on my 2000 K1500. After your truck sits for a while the oil drains out of the lifters, reducing the pressure. When your truck starts there isn't enough oil pressure built up yet to lubricate the lifter properly. Just let your truck sit in idle until the "knocking noise" goes away.

But by using a different gas should not effect this problem in anyway.

I added (1) Qt. of Lucas Oil a few oil changes ago and it helped, but didn't eliminate the problem.
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  #17  
Old 12-20-2006, 06:03 PM
wannablast wannablast is offline
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Re: The Truth about Gasoline

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Originally Posted by firedawg81
My 1999 Silverado Knocks for about 45 Seconds when i first start it cold in the morning. Is this pretty normal for that year?
I have a '01 and I took it in while it was still under warranty. It was making what I still believe was lifter ticking while under acceleration. It does it upon startup when it has been sitting for a day or two also. The dealership gave me a printout from the factory engineers saying it was "carbon buildup" on the piston skirts. I didn't believe them then nor do I now. It still ticks until the lifters pump up. But, if they present an explanation from the guys "in the know" what can you do. I just kept the paper so when a lifter goes out I will make a bunch of noise in their showroom until they replace the set for free like they should have done while it was under warranty.
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  #18  
Old 12-30-2006, 04:07 PM
Sentax Sentax is offline
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Thumbs up Re: The Truth about Gasoline

I also had the 45 second knocking issue at first startup of the day. I was using this same brand gasoline (sorry can't think of it right now) for a while. I changed routes to work and now use Shell and my 45 second knocking is completely gone in the morning start-ups.

My dad has the same truck as mine just a couple years earlier and I told him about the Shell experience and he is about to go on a long trip and he is going to try Shell gas to see if it improves it.

I will let you know his results.
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  #19  
Old 01-25-2007, 02:33 PM
Eagle70ss Eagle70ss is offline
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Re: The Truth about Gasoline

Quote:
Originally Posted by silverado122775
Yes, it is very normal.. what you are hearing are the rockers and pistons rubbing against medal. It takes about 30-45 secs to get oil pumped to it when the engine is cold.

Not entirely true...I fought with GM for years over this...This condition is known as pistion slap and they call it "normal"..The piston skirt was made to short(unbalancing the piston) and the piston is in fact rocking back and forth and colliding with the side of the cylinder wall during the travel up with cylinder...Gm won't do a thing about it...It's simply a yet another GM brain fart.
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  #20  
Old 03-17-2007, 01:33 PM
RWC1 RWC1 is offline
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Re: The Truth about Gasoline

Not to change the subject, actually this is the truth how oil is made.
I use to work for a oil field service company (Halliburton). Halliburton, has several companies, which do different things in the "Oil Pach". They have a Frack devision - Cement devision - Acidizing division - Coil Tubing division - Wireline division - Snubbing division - And so on. About the only thing Halliburton does not do, is do the actual drilling for oil. But some could say, that a Coil Tubing Unit does drill. Which it can do to some degree. But mostly, Halliburton does prety much everything, after "the hole is dug". I use to work in the Wireline division, which does things like logging - running guns for perferating the well casing - fishing tools - setting plugs - and so forth. Without companies, like Halliburton, oil would not get to market. At one time, it was said that Halliburton had more vehicles than the U.S. Government. This is why Halliburton, has so much influence in the oil field. At one point in time, Red Adair worked for Halliburton.
After the history lesson, of Halliburton, let me give everyone some actual facts, about how oil is actually made. The term "Fossil Fuels" is a myth. Oil does not come from dinasours and rotten plants. Oil is, what is called "ABIOTIC". Oil is made, every minute of every day. It is made, from the Earths' Mantle. It is like, when you put enough heat to water steam is produced. I urge everyone, to read the book (Black Gold Stranglehold). I forget who the aurthor is. But, he explains everything about the oil process.
Oil is everywhere, it is in every state, and in every country. What is not told, is that a drilling rig just needs to drill deeper. And eventually, oil will be hit. This is why, offshore drilling rigs, are so productive. Because, the ocean floor is closer to the Earths' Core. Getting oil, is not the problem, refining it is. Here in the U.S., a new refinery has not been built, in quite some time. I think since something like the mid 70's or 80's. The issue, with refineries, is no one wants them in their back yards, but mostly, the oil companies only want so many. To keep the refinery capacity down. So they (the oil companies), tell the public a half truth, that no one wants them in their back yard. To really understand, the whole problem, one must read the book I was talking about. This whole problem (mess) we (the world) are in now, is something like a perfect storm. The oil companies, and the military industrial complex, are in colusion with one another. Hence, the perfect storm. If you see, the military prety much walks lock step with the oil companies. This is why you see Halliburton along with the military, after and during a conflict (war). When we went to Iraq, special forces were trained on how to shut down the pipelines, by oil field experts. I typed Black Gold Stranglehold, in to Yahoo Search, and there was over 230 thousand hits on it .
In "Black Gold Stranglehold," Jerome Corsi and Craig Smith expose the fraudulent ... "Black Gold Stranglehold" is a thoughtful work that is certain to ...
shop.wnd.com/store/item.asp?ITEM_ID=1769 -

Until everyone, understands the perfect storm, we will always be held hostage. And there will always be wars. And our politicians, when they get to Washington, are told how the cow eats the cabbage.
Any way, this is the truth about gasoline! In no way, did I intend for this post to be political. Or to push a book. It's just, the only litature, that explains the hows' and whys', of why the price of gas is what it is. If nothing is done, as far as telling people, it will get to the point, of everyone talking about which bycycle is easier to peddle.
People, in Europe and as close as Canada, have been paying the prices, of gas per litre which is about half a gallon, for years. It is just a matter of time, before we pay those same prices or more.
And then there is the drug connection, with all this too. Which is the same subject, but this post is not the place to get in to that. I just wanted to add that, to get people to start thinking and looking.
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  #21  
Old 04-16-2007, 12:21 AM
1993LUMINATOR 1993LUMINATOR is offline
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Re: The Truth about Gasoline

l cant agree with you more on that matter, l work for BJ Pump Services Alberta Canada and l to know the nity gritty dirty secrets.
l Also HATE the 6-8Bux A GALLON for Regular well in my hometown right now its
$1,07.9cent a litter

as to the shell postes actuly l'v tryed many fuel companys l preffer UPI,SHELL as my top picks there fuel seams to work better for what/how l drive
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  #22  
Old 05-14-2007, 05:32 PM
92GMCsierra 92GMCsierra is offline
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Re: The Truth about Gasoline

wow, this is helpful stuff.
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  #23  
Old 11-22-2007, 09:44 AM
doug6949 doug6949 is offline
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Re: The Truth about Gasoline

The O.P. is correct, as are the comments from twomorestrokes. The octane rating does not indicate a percentage of octane but is a comparison between the fuel being rated and a blend of cetane and octane. 100 octane rated fuel compares to 100% iso-octane when tested for knock in a combustion fuel research engine.

The opposite end of the scale would be the ideal diesel fuel which is given a cetane rating.

Octane rating is obtained these days with additives that yield the same effect as octane. Octane ratings above 100 are obtained by interpolation of the knock performance graph beyond 100%.

Octane rating does not reflect energy content. Diesel fuel contains about 35% more thermal energy than gasoline.
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  #24  
Old 09-15-2008, 02:01 PM
ki4ppg ki4ppg is offline
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Re: The Truth about Gasoline

one more thing yall should know is 87 89 octane gas is the same thing as long as it is 10% ethanol blend
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  #25  
Old 10-08-2008, 02:19 PM
perfect truck perfect truck is offline
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Re: The Truth about Gasoline

My 99 5.3 knocks under load if I use anything but premium.
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  #26  
Old 10-19-2008, 06:59 PM
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ukrkoz ukrkoz is offline
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Re: The Truth about Gasoline

well, here's good news for diesel owners. per last Popular Science magazine, there's a company in CA that already produces about a 1000 gallons of cheap biodiesel for the town they are in. they rigged E.Coly bacteria so that it brews ready to use fuel out off sugarcane. cost $50 a barrel, vs. $400 regular diesel fuel.
they are supposed to go into mass production in several yrs. also, they plan on bringing cost down to $8 barrel, when they will "teach" the bacteria how to do same from sawdust or woodchips.

about 2 mths ago there was article in Newsweek, with a guy who was 1st to descramble human genom. he is now finalizing process for genetically engeneered bacteria to brew ready to use gasoline out of something cheap, forgot what it was. he's planning on mass producing "personal" breweries so folks can brew their own gas in the backyard.
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  #27  
Old 10-19-2008, 07:11 PM
Scrapper Scrapper is offline
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Re: The Truth about Gasoline

i use sea foam in my bike and my cars. i'm going to try lukus see how that does.
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  #28  
Old 03-03-2009, 09:44 PM
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ukrkoz ukrkoz is offline
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Re: The Truth about Gasoline

well, why don't we all go here:
http://www.topgear.com/us/videos/mor...-to-blackpool/
and watch it. I had pleasure yesterday (very disappointed with Veyron's performance, but hey...)
Anyways, let me translate that race into the things we know:
they, actually, covered 819 miles, not 750(British mile is longer)
they refer to mpg on an imperial gallon, which is 1.2 US one. Basically, at their 70 mpg, you have 58 American mpgs.

Of course, kudos to Jeremy, doing his best trying to kill mpg on his Jag, he-he.

So, getting to my point:
12 cyl twin turbo Jag does 819 miles on a tank after 3/4 of the route gas guzzling driving? And still could go some, as it did not halt in Blackpool by itself, it still had some go-juice to go on

My question is: wdf is wrong with gas and cars in this country?
Even better - what kind of trickery they have imposed onto imports that, as soon as they are made for American market, they lose half of their European mpg in a click? I want to see same Jag, made for and sold here, do same!
And those cars were not even the best mpg ones. Brits have van that does 96mpg on imperial, VW has some car that does over a hundred miles.
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  #29  
Old 04-08-2009, 07:20 PM
hawku8 hawku8 is offline
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Re: The Truth about Gasoline

higher octane fuel is infact detuned fuel to reduce combustion chamber temperatures. it costs more cuz it has more additives. the lower the octane u can get away with the better the performance and economy even though it is so slight u will not likely notice the difference. on the other hand the higher octane fuels will keep the eng cleaner cuz of the additives. also not likely to notice much difference unless used for the entire life of the veh and u trust the refinerys and delivery drivers who add a large portion of the additives when delivering. sincerely ex GM engineering employee.
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  #30  
Old 04-24-2009, 12:59 PM
toddman67 toddman67 is offline
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Re: The Truth about Gasoline

If you are interested in reading? Check the link below. It coinsides with the truth about gasoline article. I have used Xylene as a substitute octane boost with great results! It might not be a good idea for all cars, I used it in a high performance built 355, 400+HP.

www.brightgreen.us/lubedev/smartgas/additive.htm
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