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Re: Got my kreen [Re: D1dad] #5230196 10/04/19 12:04 PM
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ChrisD46 Offline
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No doubt that Kreen is good stuff - I just believe something like Sea Foam is easier to obtain (I use it the last few hundred miles of an OCI per directions) .


'17 Hyundai Sonata 2.4L GDI 5W20 QSUD / Fram Ultra #9688
'10 Hyundai Elantra 2.0L 5W30 (50%) / 5W20 (50%) QSUD / Fram Ultra #9688
'07 Kia Sedona 3.8L 5W30 Castrol EP / Fram Ultra #9999
Re: Got my kreen [Re: D1dad] #5230726 10/04/19 10:23 PM
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DallasTexas Offline
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Kreen is it.
Used on a 96 E300 diesel with almost 300k miles ran 500 miles before oil change and in fuel tank. Morning injector knock gone, blow-by gone and sounded much better. Oil drained out looked like molasses.


06 E320 CDI 98k miles
14 Sienna 33k miles
96 E300 297k miles Donated
Re: Got my kreen [Re: D1dad] #5230783 10/05/19 03:17 AM
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SteveSRT8 Offline
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We have used kreen in many different types of engines. It is the bomb for sure.

Always keep a can on hand, and use it in both the gas and the oil per instructions. In some older, high mileage vehicles it is nearly magical....


"In a democracy, dissent is an act of faith."
J. William Fulbright
Best ET-12.79 @ 111 mph
4340 pounds, Street tires
Just like we go to Publix
Re: Got my kreen [Re: D1dad] #5231189 10/05/19 02:04 PM
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Just got my 4 quart cans of it today smile



Re: Got my kreen [Re: D1dad] #5243914 10/19/19 06:26 AM
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D1dad Offline OP
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About 600 miles in right now with it in the gas and oil. I put the stuff in PP 10-30 before my son took a 450 mile trip back to school and according to where the dipsticks at, the kreen either burnt off or it used a half quart. I’m gonna have him get the oil changed at Walmart, against my better judgment, at 750-1000 miles. I have another quart so if this doesn’t help then I’ll do a piston soak.

Re: Got my kreen [Re: D1dad] #5244165 10/19/19 11:43 AM
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demarpaint Offline
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Originally Posted by D1dad
About 600 miles in right now with it in the gas and oil. I put the stuff in PP 10-30 before my son took a 450 mile trip back to school and according to where the dipsticks at, the kreen either burnt off or it used a half quart. I’m gonna have him get the oil changed at Walmart, against my better judgment, at 750-1000 miles. I have another quart so if this doesn’t help then I’ll do a piston soak.

I'd follow the directions for best results. Kreen is volatile so it might have flashed off.


God Bless Our Troops

Re: Got my kreen [Re: demarpaint] #5244333 10/19/19 03:03 PM
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spasm3 Offline
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Originally Posted by demarpaint
Originally Posted by D1dad
About 600 miles in right now with it in the gas and oil. I put the stuff in PP 10-30 before my son took a 450 mile trip back to school and according to where the dipsticks at, the kreen either burnt off or it used a half quart. I’m gonna have him get the oil changed at Walmart, against my better judgment, at 750-1000 miles. I have another quart so if this doesn’t help then I’ll do a piston soak.

I'd follow the directions for best results. Kreen is volatile so it might have flashed off.


I think you are correct. When I used it in a Saturn I poured it in a cold engine. To keep it from flashing off to soon, I cranked it and only let it run a few seconds to cold circulate. Waited a few hours and cold circulated it again. Drove it the next morning to work, changed it out at 3k.

Last edited by spasm3; 10/19/19 03:05 PM.

13 elantra 78k 5w30 synpwr
03 chevy avalanche 83k synpwr 5w30
17 mazda cx-5 16400 miles m1 0w40
Re: Got my kreen [Re: demarpaint] #5244814 10/20/19 08:32 AM
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D1dad Offline OP
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Originally Posted by demarpaint
Originally Posted by D1dad
About 600 miles in right now with it in the gas and oil. I put the stuff in PP 10-30 before my son took a 450 mile trip back to school and according to where the dipsticks at, the kreen either burnt off or it used a half quart. I’m gonna have him get the oil changed at Walmart, against my better judgment, at 750-1000 miles. I have another quart so if this doesn’t help then I’ll do a piston soak.

I'd follow the directions for best results. Kreen is volatile so it might have flashed off.

There’s not much as far as directions. “Add to engine every 1000 miles” 450 miles doing 80 prbly burned it off.

Re: Got my kreen [Re: D1dad] #5249690 10/25/19 09:04 AM
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Seafoam is 50% pale oil. Lube. 30% Naphtha. Mild cleaning solvent. 20% isopropanol. Used for water dispersal. Its chemistry is mostly lube so its cleaning strength on sludge and varnish must be minimal. And IMO putting isopropanol in the oil is not a great idea. I've used Kreen in the past. Its a toxic concoction of solvents. It did darken the oil quickly. The engine seemed quieter, smoother. But I had similar results with other off the shelf products so the results were inconclusive. I did pick up a leak soon after. But I can't say whether Kreen had anything to do with it.


06 Escalade 6.0L LQ9 AWD 170k M1 5w30
03 Maxima 3.5L 170k Maxlife HM 10w30
05 Malibu Classic 2.2 111k M1 5w30
06 Altima 2.5L 167k unk
Re: Got my kreen [Re: D1dad] #5250748 10/26/19 05:56 PM
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D1dad Offline OP
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After 1 k I drained the oil and refilled with pyb. In the 1k it was in there it consumed the kreen I added plus another half quart. The oil did come out black as night with no kreen smell to speak of. It did clean something up as before kreen, 4.5 qts would fill the sump to full but today it took the full 5 qts. The car was driven around 80-100 miles in town before it made a couple of 400 mile trips so that may have played a factor. I don’t notice anything from an enhanced performance standpoint simply because the car has always ran perfect. I’ll report back on if it actually helped any consumption issues. I have another quart so maybe I’ll try the purge if consumption hasn’t changed.

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