does any one know if you should always run additives in the diesel or can you just add it when its cold? i run them all the time for lube and always have im just sick of buying it all the time the pickups are made for ulsd so hopefully dont need it all the time

 

I run an ounce of 2 cycle oil per gallon year round for lubricity and the in the winter I always ad the recommended amount of Stanydine or power service to my fuel

 

Adding it is a good plan if you can afford it. Fuel quality varies so much you never know what you're getting. If you're running fuel with some bio, then you're getting a little lubricity from that and you could argue that you don't need additive, but there are other factors to consider:
cetane level
fuel stability
better combustion

Just some perks you can get from a quality additive.

 

some day I would like to experiment with Amsoil additive to see it the cetane improver actually adds better MPG

 

The diesel concentrate is supposed to be the one to help with mpg, but I have heard stories of the cetane doing it as well. Know a guy with an 06 that said he gained 2 mpg using it. Seems a bit extreme, but who knows.

 

thanks i use power service now but didnt know if in the long run if it would do damage to something if i didnt always use i havent used the 2 cycle oil yet i didnt know if it would make the dpf come on more or not im going to get rid of it all when my warrant is up thanks for the in out guys

 

answered your pm i jsut put in some 911 every few fill ups. more often now since its colder than chit here!

 

I think the jury is still out on adding 2-stroke to a dpf system,but if it screws it up it gives you an excuse to remove it.I go power service white in winter grey the rest per instructions.I have used 2-stroke on the 09 and seems to make a diffrence in injector noise, a bit quieter but dont know if thats bad or good.I assume its because of changing the flash point of the fuel.Dont know if I can wait for warrenty to expire,hate the milage and restricted feeling when jumping on the throttle.