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  #13  
Old 03-20-2015, 01:58 PM
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Re: Method for adding fuel additives?

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Let me guess: you didn't follow the link using an android device like CJ8Rockcrawler used. Notwithstanding, the fact remains that sharing google links like that leaks previous queries made in the same tab. You can trivially see the reference to the beer in the link he posted.
LOL - yes.

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Old 03-20-2015, 02:06 PM
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Re: Method for adding fuel additives?

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It's probably not that critical, but as long as it's not a major nuisance, I prefer doing it the right way.
I generally concur; however, the "open bottle in cabin" issue is a pain, especially on road trips. Even the smallest PSDK bottle is a double-dose when used on a single tank. The larger, more economical bottles are even more (next size up treats ~5 tanks at standard dose).

If there is a good way to seal up the stench (perhaps that gasketed ammo can will suffice) then I agree it would be ideal to follow the "dose at the pump, then refuel" approach. Barring that when not traveling I have been known to refuel, drive home, and dose the tank before I go to bed. I think the fuel pump can even be cycled if so desired without turning on the vehicle.

But yeah, smell of PSDK in the cabin is the limiting factor for me. Even in small amount it's an unpleasant aroma, unlike diesel or gasoline.
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Old 03-20-2015, 03:08 PM
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Re: Method for adding fuel additives?

Here is the original product that I started with. It is the same case as best I can tell, just marketed as an ammo can for a third of the price.

Opti-Lube Opti-Box - IDParts.com

No open container smell... Diesel additive or adult beverage!
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Old 03-23-2015, 03:03 PM
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Re: Method for adding fuel additives?

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Originally Posted by netboy View Post
I'm not comfortable with that method. I prefer adding the additive just before a fill-up at the pump when the engine is off. Additives are supposed to be mixed at the right ratio. If I add it at home with an almost empty tank, I'll end up driving a few miles to the gas station with a highly concentrated mixture, and if I fill it at home after a fill-up, I won't get it nicely mixed with the content of the tank. It's probably not that critical, but as long as it's not a major nuisance, I prefer doing it the right way.
I hear ya and don't disagree. This is my wife's car so she often fills up the tank and she would never add an additive.

For the record I just give it a splash of additive when it is convient. I can hear when that additive hits the pump/ injectors because the engine is notably quieter sounding, especially at morning startup. I have also found that when my wife fill ups, the tank usually still has a 1/3 of a tank or so. And the result is the effects of the remaining additive are sufficient. She actually needs to run it about 2 fill ups without additive added for the loud injector clatter to return to OEM levels. I only add additive after she has just topped off.

What are you guys measuring systems? My bottle says "treats up to 250 gallons" so I figure each bottle is enough for about 10 full tanks. So I just dump what I perceive to be about 10% of the bottle in. Pretty inaccurate I know. I find that a very small amount of additive goes a long ways and a bunch more doesn't seem to do much. So in that vein I figure just a little is better than a bunch.
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Old 03-23-2015, 04:36 PM
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Re: Method for adding fuel additives?

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Originally Posted by Suns_PSD View Post
What are you guys measuring systems? My bottle says "treats up to 250 gallons" so I figure each bottle is enough for about 10 full tanks. So I just dump what I perceive to be about 10% of the bottle in. Pretty inaccurate I know. I find that a very small amount of additive goes a long ways and a bunch more doesn't seem to do much. So in that vein I figure just a little is better than a bunch.
I use OptiLube XPD. The first batch I ordered was the kit with a gallon of additive, measuring hand-pump, 8oz and 16oz bottles. I usually fill at about 1/4 tank so I always have the 8oz bottle in the back filled with 5oz. The bottles are nice as they have a transparent side with measurement markers for partial dispensing and reloading. Once I dose at the pump and get back home I use the pump to pull 5oz back into the bottle (the pump is calibrated and every push is 1oz). The larger 16oz bottle is great for longer trips as I can carry up to three refuels. The bottles have a regular screw type cover and are short nosed. I use an additive funnel from Autozone in a ziplock bag together with some nitrile gloves. Handled carefully, I've got no in-cabin odor and not really a hassle. The ammo box, though, looks like a good idea to make it even easier.
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