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Maintenance & Repair Fuel and Oil Additives
1246 messages, Last post on Sep 28, 2009 at 7:37 AM
You are in the Maintenance & Repair Forum. Your Host is mr_shiftright
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Replying to: imidazol97 (Aug 20, 2008 5:32 pm) I like your analogy. I don't buy it either. I have an Oldsmobile Intrigue (GM product; one of the founders of the Top Tier gas group) with 164k miles, still averaging between 24-26 mpg. All I use is "cheap" gas.
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Replying to: dtownfb (Aug 20, 2008 5:44 pm) |
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This sounds like the "Flat Earth Society: Automotive Division". 
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The whole fuel additive topic seems to be "hot" right now. For those that are believers in the benefits of fuel additives, I have a question. I typically dump in a bottle of Techron after each oil change (typically at 4-5000 mile intervals). I have read that premium gas contains more additives, detergents, etc. If that is true, would running a tank or two of premium once in a while have the same effect as a bottle of injector cleaner? The car is a Camry SE-V6 with 3.3 liter engine. Have the same engine in the wife's Highlander.
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Replying to: lmacmil (Jan 11, 2009 8:55 am) Your Camry, your Highlander, and virtually every other late model car on the road is designed from the outset to run on the additives that are already included in the recommended fuel, and as such, you can expect an easy quarter of a million miles from your fuel system with little or no remedial maintenance WITHOUT the use of extra additives. If you don't believe what I've said, hey, no problem, just look at your Owner's Manuals. If you don't believe them, call Toyota, they'll all tell you pretty much the same thing. Best regards, Shipo |
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Replying to: lmacmil (Jan 11, 2009 8:55 am) My response to additives is that I don't use them unless I need something to clean up a bad injector, and then I buy stuff that is far more potent than off-the-shelf additives you get at the supermarket. And even that works only once in a while. |
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Replying to: lmacmil (Jan 11, 2009 8:55 am) The products that lubricate a fuel system and if you plan to keep a vehicle for many mile or a long time, might provide some improvement in injector and or fuel pump life. I know I will get many "do not do it" statements. The only place that I have seen any real trials is consumer report and they say do not do it. As you may or may not know the fuel touches the valves and therefore the valve guides can be affected due to close tolerance's. Fuel injector are a close tolerance's part of the fuel system too. Fuels today have changed in the last few years and will continue to do the same. The fuels of the past due to lead additive and sulfur did lubricate and protect valve/vale seat surfaces. The newest additive, Ethanol can cause problems in fuel systems and I assume there will soon be a fuel additive label with some reference to their product stopping phase separation, water suspension, clean ,lube and polish your tail pipe too! But all that said, I am sure there is a product or two that have double blind tests and laboratory proof that there product will do what is claimed, I wish I could find it. If you do, tell us, and I will be open minded enough to look into it. I for one appreciate you question and the conversation.
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Replying to: tlworkroom (Sep 29, 2008 2:47 pm) As for additives, the add pack different refiners may or may not or do or do not put in their fuel are different and they can and do change without notice. Some, but not all are added, automatically at the truck loading dock which you might get or might not get the additive for several different reasons. Also when additives are put in manually, who knows? There are so many place's in the chain from the crude storage to the pump, that can cause fuel problems we are lucky we have as few fuel related problems as we do in America. As a fact, gasoline at specific RON,VP, End Point,etc. can be different on a molecular level due to the different way they are processed. They can meet the minimum federal requirements for it's grade and still be different from Facility to Facility(refinery). As small as our refinery is we have the test engines(Knock and others) in our lab that will pass different molecularly different same octane fuels. That is no biggie. |
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Replying to: basspro (Jan 11, 2009 4:34 pm)
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Replying to: lmacmil (Jan 12, 2009 6:23 am) As a general observation, most of the people who visit these sites are looking to learn how to better protect their vehicles (expense) for best performance,low or no unforeseen breakdowns, and longevity. The mostly untold benifit to doing that is less emissions,and leaks into and on our earth. I do not want to sound like a tree hugger, but our kind of people do deserve a pat on the back for trying to do the right thing. Again let us know if you find studies or tests that would prove the benifits of fuel additives. I would be glad to read them. |
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