Fuel Additive
Mountain Pass
Joined: Jan 2021
Posts: 208
Likes: 51
From: Wisconsin
I own a 2000 7.3 that was bulit for what is now high sulfur fuel ..
Replaced 8 injectors at 230,000 miles 2 failed .. Due to lubricity problems ..
Used to use cetane improver/anti-gel only in winter ..
Because of lubricity I now add 16 oz. of 2 cycle oil per tank about 25 gal.
2 cycle oil is low ash so it doesn't build up deposits in the combustion
chambers or on valves .. Hopfully provides lubricity the missing sulfur
used to provide ..
I will still use cetane improver/ anti-gel in the winter for easier starting
fuel gelling prevention ..
Replaced 8 injectors at 230,000 miles 2 failed .. Due to lubricity problems ..
Used to use cetane improver/anti-gel only in winter ..
Because of lubricity I now add 16 oz. of 2 cycle oil per tank about 25 gal.
2 cycle oil is low ash so it doesn't build up deposits in the combustion
chambers or on valves .. Hopfully provides lubricity the missing sulfur
used to provide ..
I will still use cetane improver/ anti-gel in the winter for easier starting
fuel gelling prevention ..
Tuned
Joined: Nov 2019
Posts: 266
Likes: 26
From: Wisconsin
LOL - I do run an additive, motorcraft- but this comment made my day. Thank you
Fleet Mechanic
Joined: Feb 2021
Posts: 1,405
Likes: 1,171
From: East TN
If you don't use this at every fill up I will see you on the side of the road. How will I find you there? I will simply follow the mushroom cloud !!! 
https://www.archoil.com/products/ar6...33195059740754
https://www.archoil.com/products/ar6...33195059740754
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Cross-Country
Joined: May 2021
Posts: 56
Likes: 8
From: Tucson
Thank you everyone. From the many (and varied) responses, seems like some do and some don't. Favorite brands are varied too.
So, I will give it a try using a different brand each time I refuel until I find one I like, or until I decide whether they seem to make a difference or not. I don't plan on spending much time in the really cold climates, so for winterizing purposes, I think that is not going to be necessary.
Hopefully you will not see me on the side of the, but if you do PLEASE don't stop just to say "See? I told you so!"
Sorry about the hornets.
So, I will give it a try using a different brand each time I refuel until I find one I like, or until I decide whether they seem to make a difference or not. I don't plan on spending much time in the really cold climates, so for winterizing purposes, I think that is not going to be necessary.
Hopefully you will not see me on the side of the, but if you do PLEASE don't stop just to say "See? I told you so!"
Sorry about the hornets.
Fleet Mechanic
Joined: Nov 2019
Posts: 1,250
Likes: 192
From: Livingston Tx
If you don't use this at every fill up I will see you on the side of the road. How will I find you there? I will simply follow the mushroom cloud !!!
https://www.archoil.com/products/ar6...33195059740754
https://www.archoil.com/products/ar6...33195059740754
Mountain Pass
Joined: Mar 2021
Posts: 105
Likes: 22
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Fleet Mechanic
Joined: Sep 2013
Posts: 1,303
Likes: 84
When I had my 05’ 6.0 I used stanadyne every tank. 187k before I popped the head gaskets. No injector issues. I did also keep up in maintenance which probably helped a lot.
whatever makes you sleep well at night. There’s also the fact if you are trading trucks off every 3 years it’s probably not worth the $$.
whatever makes you sleep well at night. There’s also the fact if you are trading trucks off every 3 years it’s probably not worth the $$.
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