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Grab Your ***** By The Horns
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Never heard of or seen either of these items.
 

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I've never heard of it. Looks to be a pretty small business judging from the website format.
 

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1st Gen FTW - It's AutoMedic!
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From what I've read its a commercial product. There's 40 pages on that forum there of people talking about how great it is. I decided to buy a QT and see what it can do.
How will you determine what it can do? Besides if there is total engine failure after a week...
 

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Discussion Starter #7
How will you determine what it can do? Besides if there is total engine failure after a week...
I've Googled it and it comes up on all kinds of car forums all over the place. People us it in their trucks, cars, mowers, generators, you name it and all report back with great results. I just did a simple search for "kano labs kreen" and got all sorts of positive feedback.
 

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1st Gen FTW - It's AutoMedic!
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Sure, they use it and the engine doesn't blow up... But I'd bet it wouldn't blow up anyway. What does it do that you can point to that says "yes, it does work better/longer/stronger/faster"? Not saying it can't, but I'm cautioning against putting water in unsubstantiated claims.

If you can't see what it DOES, and the engine doesn't blow up, then how do you know it did anything?
 

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Discussion Starter #9
Sure, they use it and the engine doesn't blow up... But I'd bet it wouldn't blow up anyway. What does it do that you can point to that says "yes, it does work better/longer/stronger/faster"? Not saying it can't, but I'm cautioning against putting water in unsubstantiated claims.

If you can't see what it DOES, and the engine doesn't blow up, then how do you know it did anything?
It's taken care of knocking, stuttering, etc. There's a lot of picture on the second link I posted in the OP that show the cleaning of the engine that resulted in a better running engine without the problems they had before. I plan on running it though my fuel system to see if my gas mileage improves. My last fill up was under 15 MPG. If I see an improvement, its possible it could be doing something.
 

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I run Lucas every other fill or so. It helps improve gas mileage too. I would run out all the time but its not always convenient.
 

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1st Gen FTW - It's AutoMedic!
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It's taken care of knocking, stuttering, etc. There's a lot of picture on the second link I posted in the OP that show the cleaning of the engine that resulted in a better running engine without the problems they had before. I plan on running it though my fuel system to see if my gas mileage improves. My last fill up was under 15 MPG. If I see an improvement, its possible it could be doing something.
Good test. Wasn't trying to say it does NOTHING, but wanting to temper any baseless reviews of "my car runs great, so I used it, and now it runs greater-er" with some real world tests - yes, your fuel mileage is terrible - I think you have something serious wrong (I know you have been searching, I haven't been following very seriously), but using the additive and continuing to check I think is a good way to do it.
 

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Hi. First Post. I use Kreen on many different engines. Best internal engine cleaner I've ever used. Use a half quart the last 1k of the OCI. Great results as a piston soak. Use in the gas as well. Be careful, the stuff smells real bad, use it outside!. Metal can requires vice grips or a plumbers wrench to open. Suggest transferring from the metal can to a glass bottle.
 

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1st Gen FTW - It's AutoMedic!
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I pulled up the MSDS on Kreen. Kreen sounds like it is Engrish for "Clean" as that is what it is, a cleaner, it is like Seafoam. Different chemical make-up though. Probably a good varnish remover, and would likely do some to thin and flush sludge and foam from oil systems.

And yup, I bet the smell is pretty strong!
 

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hmmm very interesting. sounds like a new attempt at seafoam. but my one problem would be. is this its intended use? what i mean by this. is if they didnt design it to be used in an engine as a cleaning agent? because if not then if something does go wrong the company is not held liable. while Seafoam is directly made to do this type of thing. idk. from the website it is designed to remove rust and other things from bolts and whatnot. NOW having said that. i am the type of person to say "if it works use it" but be clear that there are no adverse effects
 

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Kreen is a very different chemistry from Seafoam and MMO.

Seafoam and MMO are primarily Pale oil and Naphtha based.

Seafoam was developed in the 1930's by a fisherman for his marine outboard with water issues. Hence the name and the additional 20% IPA for water/gas issues. During a "seafoaming" these chemicals resemble a white cloud as they are combusted. This white cloud should not be confused with carbon, which is brown. 20% IPA in the tank will feel like 94 octane for the balance of the tankful.

MMO was developed to assist with issues experienced in WW2 airplane engines. MMO has a wintergreen red dye to distinguish its use.

Kreen was developed to deal with problems gas and diesel engines had in the 1930's like varnish, sludge and carbon buildup.

All are old chemistry. Each had a different purpose. Somehow all 3 ended up being marketed as motor tonics. Having used the 3 over the years I am not recommending any of them unless your trying to solve a problem. Standard use of a good synthetic like M1 or PU with an occasional bottle of Techron fuel system cleaner should be enough. Kreen is much stronger than MMO and Seafoam, not too strong that it requires a drain directly after use. The emulsification and suspension is quite good, no fear of large chunks falling into the oil return, sump screen, etc. Does a decent job on varnish. Has a strange side effect where it evaporates by 50%, and that evaporation causes the chemicals to get up in the PVC, back to the TB/IAC, clean anywhere the oil vents to.

I haven't taken any pictures but if you guys want I can show some filler hole results. this is a 99 intrepid the lady let run out of oil, didn't change the oil for 2+ years. Right now it has 3.5qts of my favorite cleaning oil, Mobil 1 High Mileage. I put that in to test the car prior to Kreen, see how stable the engine is after driving so long without oil/no oil change.
 

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Discussion Starter #17
Forgot to update! The Kreen came in the mail about 4 days after ordering along with my free can of Kroil. I'm attaching pictures below so you guys can read the cans. I put the recommended amount in my gas tank and I've driven away about half a tank so far. I must say, I noticed an improved throttle response, especially at lower speeds, and the engine idles slightly lower, right at 500RPMs and stays there where before it was hovering between 550 - 700 RPMs at idle. Time will tell if it helped my gas mileage but as far as over all feel of the car goes, I definitely noticed something where with other additives I can't say I ever have felt a difference.





 

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Discussion Starter #18
According to my OTIS, my mixed driving 50/50 was getting me 23MPG and my last few days of all city driving is netting me 17MPG.

Once this week when I didn't use my remote start 2-3min before going outside, i smelt gas or oil or something burning off when I started the car.
 

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That Aero Kroil is great stuff. Makes o2 sensors easy to remove. Even stopped my battery terminals from corroding. Makes minor surface rust "washable" :eek:bsessed: Kreen's best uses are piston soaks and varnish/carbon/sludge removal. Far better than Naphtha based products like seafoam and mmo. In the gas I really didn't notice anything, maybe I didn't use enough of it.
 

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According to my OTIS, my mixed driving 50/50 was getting me 23MPG and my last few days of all city driving is netting me 17MPG.

Once this week when I didn't use my remote start 2-3min before going outside, i smelt gas or oil or something burning off when I started the car.
Could have been carbon from the combustion chambers, kreen is supposed to loosen and emulsify carbon, which would allow it to burn off.
 
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