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Fuels & Lubricants Discussion all about Fuels & Lubricants. synthetic oil, conventional oil, brands, change intervals, diesel grades, gelling and such debated items like that. Non TDI related postings will be moved or removed. This forum is NOT for the discussion of biodiesel and other alternative fuels.

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Old January 18th, 2019, 07:37   #16
[486]
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Quote:
Originally Posted by Geordi View Post
LOL... That's not what wet stacking is. Here's some reading for you.
https://www.ckpower.com/wet-stacking-avoid/
Tip: When an engine is operating at normal temps and normal loads and the exhaust system is dry but the INTAKE IS WET WITH OIL... That's not wet stacking. That's oil in the intake mixing with EGR soot.
What does the EGR do? Introduce exhaust into the intake.
What temperature does the intake and EGR cooler peak at? Well below that where the fuel coke will burn off.

See also: why is intake coking reduced markedly when you get a remap that eliminates EGR flow when the engine is dead cold?
See also as well: Engine oil does not dry to a hard coke, neither does your typical hot exhaust soot.
Third see also: why does the EGR cooler plug up? It sees no engine oil.

Last edited by [486]; January 18th, 2019 at 07:41.
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Old January 18th, 2019, 11:25   #17
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It's probably free. I wouldn't use it if it shows any signs of containing moisture.
So, it is free... you are only mixing it 5% so how much are you really gonna save?

I mean, there are so many reason NOT to use it (especially in a CR) and virtually no gain by doing it.
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Old January 18th, 2019, 13:40   #18
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So, it is free... you are only mixing it 5% so how much are you really gonna save?
I mean, there are so many reason NOT to use it (especially in a CR) and virtually no gain by doing it.
True. Adding a gallon per tank seems like more headache than it's worth. I'd be filling up cans to take home to my less finicky diesels.
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Old January 18th, 2019, 17:44   #19
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and given away
Who do I ask at the airport about getting free fuel without getting stuffed into a black van and sent to cuba?
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Old January 18th, 2019, 20:29   #20
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Who do I ask at the airport about getting free fuel without getting stuffed into a black van and sent to cuba?
Pilots on some airplanes must sump fuel on a daily basis... usually it's on smaller planes, and creates 1-2 gallons of fuel a week on a turboprop. Back in my feeder pilot days in a caravan, I usually had a gallon jug that I would empty weekly at the company hanger. Usually there are barrels it gets dumped into, then burnt in heaters for the hanger. Sometimes there are much larger volumes, but that is usually put back into the plane after the required repairs.
Pilots and mechanics have been burning it for years, but when emissions engines came to the diesel cars/trucks, made it much higher risk.
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Old January 19th, 2019, 15:06   #21
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I burn the Jet A in my salamander heater in the shop when it is cold, But I would never run it in my TDI, I thought some of my BMW motorcycle customers were cheap---but some of the people here take the cake. lol
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Old January 19th, 2019, 16:15   #22
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...says the guy driving a 15 year old diesel . I have a Saudi friend who couldn't understand why I'd buy a diesel car - apparently only ultra cheapskates buy them there.
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Old January 19th, 2019, 22:23   #23
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Yeah, but when they run out of gas there.... They can always just get a full tank buying another new car.
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Old January 20th, 2019, 09:51   #24
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I wouldn't run questionable fuel in a common rail, with a dpf. I, as well as people i know have ran strsight jet a, and had no adverse effects from it, but those were 7.3's, as well as ve pump engines.
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Old January 20th, 2019, 10:11   #25
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Yeah, but when they run out of gas there.... They can always just get a full tank buying another new car.
I think it is more that gas is probably the equivalent of a quarter a gallon there

like in venezuela
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Old January 20th, 2019, 11:29   #26
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Yeah, but when they run out of gas there.... They can always just get a full tank buying another new car.
You'd think, right? But the per capita income in Saudi Arabia is about one third that of the US. The rich are very rich, but most are not rich.
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Old January 22nd, 2019, 04:46   #27
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Who do I ask at the airport about getting free fuel without getting stuffed into a black van and sent to cuba?
You wold have to know someone that is involved with maintenance in the hanger.
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Old January 22nd, 2019, 14:23   #28
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Used to be at Mojave apt they would hand it out free when the big jets arrived and had to be defueled before storage. Bunch of Yahoo's buggered that up getting caught with it in their 6.9 &7.3's. Which pissed off caltrans. Sometimes if you ask the refuel people you can buy it depending on their mood and weather.

I myself would either use power service white or find some winter D1 at a truck stop because they dont have weird stuff in them.
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