Another question from the diesel noob!!

Discussion in '6.7L PowerStroke Engine & Drivetrain' started by TankRN, Sep 15, 2016.

  1. TankRN

    TankRN SDD Junior Member

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    SDD brain trust, do you recommend any type of additives at any interval? Fuel additive every fourth or fifth tank of fuel, for example? Still learning the diesel world. I'm sure I'll have more questions. Thanks for the feedback and the patience.
     
  2. john griffin

    john griffin Full Access Member

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    I have been putting a quart of ATF in every tank of fuel in every diesel Ive owned since 1971! I sometimes substitute hyd transmission oil because its actually the same thing and I occasionally can get a drum free.
    In the engine oil I started running a molebdium-disulfide additive,1 quart at every change about 2 yrs ago.The difference in the injector noise is incredible.My stock injectors that I changed out a year ago were so quiet with this stuff it was just uncany.The new ones are the same,but the rattle from the timeing change is annoying.My old injectors had 201000 on them ,were 16 yrs old,and functioned perfectly.
    I have just about 99% control over my fuel quality since I have it delivered 700 gal at a time and can moniter water acumulation when ever I feel the need. I still dope it with 1 qt per 200 gal with PS fuel tank cleaner,and 1 qt per 500 gal with PS algea control at the time of delivery.There is NOTHING that will kill your injectors/pumps quicker than black algae slime and all storage tanks (except mine) have it.Never buy fuel when the delivery tanker is dumping because all the crap in the tank is stirred up and will not settle for 12 hrs or so.I was an Amico and later BP fuel dealer for many years and trust me,all tanks are filthy in the bottom.
    In the winter around here,the "winter" fuel blend hits the racks around the middle of oct,but the temps can drop to below zero for nights in a row.I carry PS 911 in my truck and if I hear that the overnight low will be 0 to as much as -25,I give the truck a pint then `drive it or fast idle it for 10 min or so. 90% of the time my truck is in a heated shop at night during plow season,but you just never know when it MAY sit out because something unrelated broke.You do not want a gelled fuel system,it will damage pumps and injecters,mostly from starveing when they finally do start.Do not risk it.
     
  3. 79jasper

    79jasper Full Access Member

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    John do you have a 6.7?
    I thought you had to be careful with what you add because the dpf?

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  4. TankRN

    TankRN SDD Junior Member

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    This is why I put it on here. I never would have thought to ask about that piece of it, Jasper. Great info Mr. Griffin. Thank you.
     
  5. BIG JOE

    BIG JOE Full Access Member

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    On my 6.7 I add 16oz of Power Service (Grey jug) (Wal-Mart) at Every fill up. Treats 40 gallons. Every now & then I fill up without it.. just to thin things out a bit. @ 45K, NO problems with the DPF.

    Attended a FOMOCO 6.7 training session at my Dealer, the Factory Training Techs highly recommended a Fuel Additive be used in the 6.7.. to keep the fuel system (injectors) clean.. and.. because it bumps the Cetane level up a bit in the basically Dead.. ULSC #2 Diesel, for a cleaner burn*. It has some lubrication qualities that are now missing in ULSC Diesel also.

    My .03 ?

    Joe

    * my 6.7 seems to Not Re-gen as often, as it used to.. without the Power Service additive.
     
  6. john griffin

    john griffin Full Access Member

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    The only reason I have used atf is for a lubricity additive.My 7.3 is the first motor Ive had w/o a conventional pump/injector set up,first being a 6v-53 detroit and then the 6.9 with a couple 350 olds motors thrown in too.So I have no experience wit DPF,just conventional non emission stuff.
     
  7. BIG JOE

    BIG JOE Full Access Member

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    I hear ya John. Been in Heavy Equipment & Truck'n all my life. (Fuel bidness too)

    I usta run 2 cycle, ashless lube oil in my 7.3 fuel tank, for the very same reasons. As we know.. the 7.3 got caught up in the time when we went from Straight #2 diesel to LSC, to ULSC #2..with little, if any lubricity.

    Ford/IH bought off (had to) on the ULSC, said it was Okay to use.. but I never did.

    Joe
     
    Last edited: Sep 18, 2016
  8. john griffin

    john griffin Full Access Member

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    I never gave the equipment a thought.the "baby" loader/landscaper tractot has a shibura motor with 2100hrs and the "old hoe" as we call it ,is a komatsu with the meter busted at 3200hrs.Ive had them since new and they get the same fuel as the truck,all original pumps/injectors on them,they are not electronic.I use the same fuel to clean parts and start the fire in the wood/coal furnace too, but they dont care about additives!
     
  9. TankRN

    TankRN SDD Junior Member

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    Thanks gents. I appreciate all the insights. Being so new to the diesel world and hearing about the expense of messing something up, I want to do whats best from the start. Thanks again. Keep the info coming. I enjoy reading it.
     
  10. 79jasper

    79jasper Full Access Member

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    Pretty much any of the off the shelf type diesel additives will be fine.
    I can't say how 2 stroke oil, atf, etc will treat the dpf.


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