Well yea, your going against the grain. Naturally your going to get some resistance. I just don't feel it's right of you to be saying what you said without any evidence to back up your statement. You can't just say that you and your buddies have burned ATF/used motor oil for xxx,xxx miles without any issues.

Alot of people are easily persuaded. No need to put them in a situation that's going to potentially harm their engine.

I 'm not trying to back you in a corner and slam you here. Nor do I mean to hi-jack the OP's thread. I would just like to get this cleared.

 

All I can say is when I have a rough idle, and some white smoke at start up. I toss a couple type F's in the tank and by the time the tank is empty my truck is back to running smooth and no more white smoke.

This has happened 3-4 times in 300k miles. You can tell by the sound of the engine it is 1 injector that is causing the miss.

How can I or anyone have proof. In fact there is no proof that power service works either. Still use it every tank.

On thing I have noticed is our fuel additives dont seem as potent since they now have to be dpf safe. They dont seem to work as well anymore as far as keeping things clean.

In the commercial side Im not going against the grain at all. Thinking back, most every trucking company I have ever worked for uses Type F as a fuel injector cleaner. Its just common practice in commercial applications. Ive put it in 1982 290 cummins all the way up to 2007 Acert Cat 550's.

Oil reps would come into our shops and try to sell us fuel injector cleaners. We'd tell em we use Type F, and they'd say its hard to beat typr F as an injector cleaner. They'd leave samples of there stuff anyway.

Its such common practice in commercial I thought Id pass it on, cause it will do wonders for a rough running truck. It also works great to clean all the sensors and valves in the pump.

But yep, I would need a large amount of money to do some scientific test to show what it does. I sure cant do that.

I see all you guys having so much trouble with your fuel systems, I like to pass on what works for us guys putting 160k miles on these lil cummins every year. We buy fuel all over north america. Man we get some rotten fuel from time to time. Plays heck with the fuel system. We have algea problems in summer and icing problems in winter. We see about every problem and listen close to what our engines are telling us.

I have a good bud back there in Indy who has an 06 duramax with over 700k. Its still on its original injectors. His truck has been an awesome truck. Youd never guess what he loves. Marvel Mystery Oil. Buys it by the gallon.

Go look up how bad that stuff is in the fuel additive test that floats around here.

In the test Marvel Mystery Oil removes lubricity in the fuel. Why does his truck and many other of our trucks get the worst junk fuel and additives, but seem to last so long?

Just proves the public has a way of doing things and us guys have ways of doing things... All cool with me. Wont stop me from what Ive learned in 22 years of pro coast to coast driving what works best and is the cheapest additive fix of all. Sorry I hurt your alls feelins.

Carey

 

Agreed...those who know what is going on and those who listen to old wives tails and continue to spout garbage. The simple concept you are failing to grasp here is how much transmission fluid has changed in the last 20 years, it is no longer the same product. It now includes products that have been proven to cause damage because it does not burn off the way the old stuff did. The other thing you are also not thinking about is the radical changes these fuel systems have made over the years. The injectors have become much more intolerant when ingesting foreign matter. I run waste motor oil through my 96 12 valve but I would not run it in a new common rail truck due to the changes in design.

These forums are GREAT places to learn stuff, but remember the old saying.... You can't hear what is being said if you are too busy talking

 

I gotta say, I'd trust the guy who runs a half dozen ISB Cummins trucks over 150k mi each, annually, and what he does to keep them running. I guarantee that if it didn't work or caused harm to his bread n butter he wouldn't be doing it.
I've had a couple conversations with Carey about these trucks and believe he knows what he's talking about...........................off to put some Type F in the tank!

 

type f ? why not type a? or dexron

 

I hear what everyone is sayin. 2 measly quarts in 30 gallons of diesel is like what, a 60 to 1 ratio?

Until some test is done to show what the damaging affects of type f, knowone can say if its good or bad. All I know is it works great.

Type F is the higher detergent tranny fluid of all of em. Thats why we use it.

If you are filtering at 2 microns like most of ya, what is there to worry about. All that is getting thru is the detergent in the oil. Anything smaller than that is not gonna hurt a thing.

I just run a standard filter, still dont worry about it.

Yes our systems are finicky, all the more reason to give er a dose every 75k or so.

I know I wont convince anyone. Just tryin to help the guy out. Shoot, his truck is running bad anyway, whats he got to lose?

Carey

 

I've heard of the 5.9 cummins and the 6.7 cummins but the 5.7 cummins is a new one to me!

 

the 5.9 got drunk one night and took the 6.7 home and now you know the rest of the story

Now Larry you started talking about the 96 and running old motor oil in it. my 96 is starting to run a little off. should i run motor or 2stroke oil. not trying to hijack, just asking

Thanks,
Eric

Don't for get new Local Chapter Austin, TX area link in sig.

 

I
I agree with Larry Ellis (above quote) Colo dirtbiker refers to Type f and this is a very old spec atf +4 and several others are current specs and these have friction modifiers to help the clutches hold better. I don't want anything that increases friction in my fuel system. 2cycle is meant to be burned in and engine and would be a better choice.
Just my opinion
Jim O

 

2 stroke oil is formulated to burn where as transmission fluid is essentially hydraulic fluid and intended to be used under pressure. 2 cycle oil will not hurt your truck just be certain to use a high quality ash less variety, it will help put back the lubricating properties removed from today's diesel.

If you decide to run used motor oil, be sure to filter it very well before using it to remove any impurities. When fuel was $5 a gallon I was running 8 gallons to a 32 gallon tank and it ran really well, though it did smell a bit like it had a leaky valve cover gasket