ULSD fuel additives
Lead Driver
Joined: Feb 2022
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oh yeah, Hot Shots Secret stinks too. When I refill the bottle I usually spill some and then my workshop has a stench to it for a few days. Thankfully the bottle I use seals good, so no smell in the cab. I think another thing that additives help with is keeping the DPF in good condition. The less chance soot has to "stick" the longer the DPF will last.
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FTE Legend
Joined: Mar 2017
Posts: 31,801
Likes: 9,127
From: Western NY
oh yeah, Hot Shots Secret stinks too. When I refill the bottle I usually spill some and then my workshop has a stench to it for a few days. Thankfully the bottle I use seals good, so no smell in the cab. I think another thing that additives help with is keeping the DPF in good condition. The less chance soot has to "stick" the longer the DPF will last.
I'm curious to see what the Max Mileage does because it's supposed to reduce the soot produced by the engine. I'll find out because when I have an aftermarket DPF back pipe installed, I plan on shining a flashlight into the DPF and see if it looks like this:
and hopefully not like this... without Max Mileage...
We shall see...
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FTE Legend
Joined: Mar 2017
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From: Western NY
I got one of these since its 1 ounce per 25 gallons, so easy to use.
https://www.amazon.com/dp/B07NDLMF1J...roduct_details
Also a lot easy to fill than the HotShots bottle.
https://www.amazon.com/dp/B07NDLMF1J...roduct_details
Also a lot easy to fill than the HotShots bottle.
This is the bottle I have... same thing. I want to be fairly accurate with the dosing, so using the syringe is more exact.
Here's the dosing I figured out...
Last edited by Overkill2; Jun 4, 2023 at 03:07 PM. Reason: Add to post -- pics
Hotshot
Joined: Oct 2015
Posts: 19,689
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From: Wyoming
I tried using medical syringes but the additive did something to the rubber on the plunger making it very difficult to use. I'm now using glass bottles that hold 2 ounces of the FBC and plastic bottles that hold 10 ounces of the XPD. I thought about combining the two additives into one bottle but for those times when I fuel up less than 40 gallons I want to be able to use less of each additive.
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FTE Legend
Joined: Mar 2017
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Likes: 9,127
From: Western NY
I tried using medical syringes but the additive did something to the rubber on the plunger making it very difficult to use. I'm now using glass bottles that hold 2 ounces of the FBC and plastic bottles that hold 10 ounces of the XPD. I thought about combining the two additives into one bottle but for those times when I fuel up less than 40 gallons I want to be able to use less of each additive.
Hotshot
Joined: Oct 2015
Posts: 19,689
Likes: 12,812
From: Wyoming
The syringes only last so long before that stuff crushes (damages) the plunger... I have replaced the one I used at least once... maybe twice. When I order them them, I order more than one. I started using Max Mileage last year. It's weird but when using the syringe, it's hard to pull at first but then once moving, it's easy... I know it's not good to overdose the stuff so that's why I use them...
Fleet Mechanic
Joined: Oct 2022
Posts: 1,821
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From: Dallas Metroplex
Since most of my additives are 6 oz for a full tank (and I typically get fuel when at 1/2 tank), I just measure out 3 oz in these bottles:
If the tank's close to empty I just use two bottles. Easy to store and dispense. I used to use disposable 2oz paper cups when at the pump (and store the treatment bottle in the cab), but these bottles are so much more convenient, just prepare a bunch beforehand. Also, don't have to worry about the bottle leaking or fumes filling up the cab should the bottle spring a leak.
Edit: I should have stated "worry about the full treatment bottle leaking"
If the tank's close to empty I just use two bottles. Easy to store and dispense. I used to use disposable 2oz paper cups when at the pump (and store the treatment bottle in the cab), but these bottles are so much more convenient, just prepare a bunch beforehand. Also, don't have to worry about the bottle leaking or fumes filling up the cab should the bottle spring a leak.
Edit: I should have stated "worry about the full treatment bottle leaking"
Last edited by JoeUser; Jun 5, 2023 at 12:28 PM. Reason: clarification
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FTE Legend
Joined: Mar 2017
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From: Western NY
I usually always try to fuel up around a half tank... I used to do a quarter tank but now like to do it around a half tank. So that's about 0.5 oz but it doesn't always work out like that so I like having that syringe. I don't know, maybe I'll start using the bottle....
Since I only have the 26 gallon tank, hate it, I like having more fuel than waiting until near empty. I can't wait until I have the Titan 50 gal tank.
Since I only have the 26 gallon tank, hate it, I like having more fuel than waiting until near empty. I can't wait until I have the Titan 50 gal tank.
Mountain Pass
Joined: Jun 2022
Posts: 119
Likes: 44
I'm not sure I understand the 1/2 tank refueling? Is there an assumption the bottom of the tank fuel is different? Isn't the fuel pickup at the bottom? Just asking as I've heard it before and never knew why. Any water in the tank will sink to the bottom and get picked up first. Anything lighter and floating will get stopped by the filter.
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FTE Legend
Joined: Mar 2017
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From: Western NY
I'm not sure I understand the 1/2 tank refueling? Is there an assumption the bottom of the tank fuel is different? Isn't the fuel pickup at the bottom? Just asking as I've heard it before and never knew why. Any water in the tank will sink to the bottom and get picked up first. Anything lighter and floating will get stopped by the filter.
As to water simply falling to the bottom of a daily driven tank, I'd disagree... Maybe on a stationary truck or in a ground tank but the agitation of the fuel from the movement of the truck will break up any free water into smaller particles and distribute it throughout the fuel. While I'm not saying it won't fall out overnight, but when the truck is driven the next day, and the fuel sloshes around, the waters not going to stay there at the bottom. Just my two cents.
Mountain Pass
Joined: Jun 2022
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OK. I’ve just heard that it provides some type of prevention to CP4 damage which I didn’t understand. I use stanadyne, which has demulsifiers to help get the water out, but have never worried about getting fuel before the tank gets below a certain level. Thank your for the response.
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FTE Legend
Joined: Mar 2017
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From: Western NY
OK. I’ve just heard that it provides some type of prevention to CP4 damage which I didn’t understand. I use stanadyne, which has demulsifiers to help get the water out, but have never worried about getting fuel before the tank gets below a certain level. Thank your for the response.
Hotshot
Joined: Oct 2015
Posts: 19,689
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From: Wyoming
One argument I've heard for no letting the tank get low is that the fuel pump is cooled by the fluid in the tank. The counter to that (that I also heard) is that the returning fuel from the upper filter is enough to cool the pump. I heard both of these on the Internet, so take it with a grain of salt.
Running the tank to empty, with absolutely zero fuel in the tank, would be bad and would introduce air. Running it to "E" on the fuel gauge isn't bad as my truck still has almost six gallons in the tank. The gauge has a huge reserve.
Running the tank to empty, with absolutely zero fuel in the tank, would be bad and would introduce air. Running it to "E" on the fuel gauge isn't bad as my truck still has almost six gallons in the tank. The gauge has a huge reserve.
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FTE Legend
Joined: Mar 2017
Posts: 31,801
Likes: 9,127
From: Western NY
One argument I've heard for no letting the tank get low is that the fuel pump is cooled by the fluid in the tank. The counter to that (that I also heard) is that the returning fuel from the upper filter is enough to cool the pump. I heard both of these on the Internet, so take it with a grain of salt.
Running the tank to empty, with absolutely zero fuel in the tank, would be bad and would introduce air. Running it to "E" on the fuel gauge isn't bad as my truck still has almost six gallons in the tank. The gauge has a huge reserve.
Running the tank to empty, with absolutely zero fuel in the tank, would be bad and would introduce air. Running it to "E" on the fuel gauge isn't bad as my truck still has almost six gallons in the tank. The gauge has a huge reserve.