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New oil as flush pre new-fill. #4113599 06/02/16 07:13 PM
Joined: Apr 2007
Posts: 288
ARMY_Guy Offline OP
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Posts: 288
Friends, How do you feel about using 5 quarts of any grade of STP Oil + 1 quart of Mystery Marvel Fluid with a new filter as a FLUSH. I'd idle the Jeep (w 200,000 miles) for 6 hours, hence, as per the govts' calculations, have theoretically 'driven' it 300 miles. Id dump it and put in some real primo stuff, such as M1, PP, Motul, Redline, or Royal Purple. I'd use STP because its $3.99 a qt, and would be less w my military discount.

The Jeep has a 6 quart sump. I understand as per the other threads here, "engine flush" are semi-dangerous, and better left alone. I am aware 'a good oil and proper maintenance' keep an engine clean enough but I wanted to put the question to you - most of whom are people I rely on. (I'm looking at you DemarPaint...) Thank you all.

-A


02' Jeep Wrangler (X)
220K miles. : I6 4.0L Auto. : Pentosin 5-40 Performance w. M1 filter : AEM BruteForce : BridgeStone Revo2's : SuperChip
Re: New oil as flush pre new-fill. [Re: ARMY_Guy] #4113605 06/02/16 07:25 PM
Joined: Apr 2010
Posts: 167
J
JXW Offline
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Joined: Apr 2010
Posts: 167
I purchased an S80 Volvo T6 model that was a grocery getter with very low miles, 4 years in svc.

The effects of short trips and normal oci left things less than ideal.

My strategy: drive it, drive it more but only with top rated syn, real syn.

After 10K or 15k miles, 2 or 3 oci, the abnormally dirty engine was running very nicely. Cleaning takes time.


2007 Tundra SR5, 4x4, 5.7l PP 5w20
2006 HD FLTRI, 20w-50 Redline, 95ci,
2015 Kubota BX2670
2010 BMW 328i x drive, 6M, Redline 5w-30
2010 Honda Fit Sport
Re: New oil as flush pre new-fill. [Re: ARMY_Guy] #4113616 06/02/16 07:36 PM
Joined: Sep 2010
Posts: 7,485
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OneEyeJack Offline
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Joined: Sep 2010
Posts: 7,485
Auto-RX and follow instructions to the letter.

Re: New oil as flush pre new-fill. [Re: ARMY_Guy] #4113617 06/02/16 07:36 PM
Joined: Aug 2012
Posts: 2,300
MrQuackers Offline
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Joined: Aug 2012
Posts: 2,300
Jugs are cheaper, and Supertech at Walmart is <$12


Master the 1000 yard stare

coffeeMobil 1 USA
Re: New oil as flush pre new-fill. [Re: ARMY_Guy] #4113619 06/02/16 07:39 PM
Joined: Mar 2015
Posts: 478
Y
Yup Offline
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Joined: Mar 2015
Posts: 478
Are you having issues? Have you pulled the valve cover and know it's gummed up? If not, don't fret. Just run something like M1, PP, PU, etc for whatever the severe service is in the owner's manual. PP is like $20/5qts at many places right now, I think M1 still has a rebate going on (check the stores it works at on their website), NAPA may or may not still have a syn sale going on...

It's not like an engine magically is ruined at 200K miles unless it was treated terribly as far as maintenance goes.

Re: New oil as flush pre new-fill. [Re: ARMY_Guy] #4113621 06/02/16 07:41 PM
Joined: Aug 2012
Posts: 2,300
MrQuackers Offline
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Posts: 2,300
^May 31 was the last day to qualify for the Mobil rebate. Next one should be in a few months in the fall.


Master the 1000 yard stare

coffeeMobil 1 USA
Re: New oil as flush pre new-fill. [Re: ARMY_Guy] #4113622 06/02/16 07:42 PM
Joined: Aug 2012
Posts: 2,300
MrQuackers Offline
Offline
Joined: Aug 2012
Posts: 2,300
Rislone Engine Treatment, and follow instructions.


Master the 1000 yard stare

coffeeMobil 1 USA
Re: New oil as flush pre new-fill. [Re: ARMY_Guy] #4113623 06/02/16 07:43 PM
Joined: Sep 2014
Posts: 1,704
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Oro_O Offline
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Joined: Sep 2014
Posts: 1,704
Simply driving with a good HDEO or synthetic oil is not really going to clean a dirty engine; I've been trying for years. While everyone jaw-bones it to death, I have seen any real evidence of it working.

Engine flushes are not iffy if you do them sanely. Yours is certainly ok, perhaps overly cautious. You could simply drive with that combination 500 miles and dump it. MMO at 20% of the sump volume (5:1) won't thin your oil that much, and this is what many people do, and the manufacturer recommends.

Static flushes (just idling vs. driving with it in the oil system) are typically with thinner solvents or a much higher quantity of solvent. I did one recently with 50% fresh Chevron 10w-40 and 50% Kerosene (this has been a Mercedes factory method in the past; it is not dangerous or kooky). I 9dled it for 15 minutes four times with a few hours of cool-down in between. Then filled with M1 10w-40 HM and a PureOne filter. This appeared to be more effective than four years of running it with HDEO and PP.

Re: New oil as flush pre new-fill. [Re: ARMY_Guy] #4113635 06/02/16 08:05 PM
Joined: Dec 2011
Posts: 1,830
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toneydoc Offline
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I would not do that myself. I would change the oil and put in some Pennzoil in yellow bottle and run it for 3k miles for 2-3 oil changes. This oil seems to clean up engines somewhat and is not expensive and you will get use out of the oil instead of just idling the engine and dumping good oil.

If the engine is really dirty it will take quite a while to clean up anyway. 6 hours of idling would not accomplish that in my opinion.


1994 Jeep 165k NextGen 10w30
2014 Camry 41k Castrol Magnatec 0w20
2018 Jeep Cherokee 6k Pennzoil Platinum 5w30
2014 HD Ultra 49k Mobil1 15w50
Re: New oil as flush pre new-fill. [Re: ARMY_Guy] #4113637 06/02/16 08:09 PM
Joined: Jul 2005
Posts: 32,739
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demarpaint Offline
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Originally Posted By: ARMY_Guy
Friends, How do you feel about using 5 quarts of any grade of STP Oil + 1 quart of Mystery Marvel Fluid with a new filter as a FLUSH. I'd idle the Jeep (w 200,000 miles) for 6 hours, hence, as per the govts' calculations, have theoretically 'driven' it 300 miles. Id dump it and put in some real primo stuff, such as M1, PP, Motul, Redline, or Royal Purple. I'd use STP because its $3.99 a qt, and would be less w my military discount.

The Jeep has a 6 quart sump. I understand as per the other threads here, "engine flush" are semi-dangerous, and better left alone. I am aware 'a good oil and proper maintenance' keep an engine clean enough but I wanted to put the question to you - most of whom are people I rely on. (I'm looking at you DemarPaint...) Thank you all.

-A


Since you asked. I don't think 6 hours idling is enough to do any cleaning with MMO. If you want to idle for 6 hours try Kreen. Or you could wait until the winter use the STP oil with a quart of MMO and drive for 3000 miles, then change over to the "primo stuff."


God Bless Our Troops

Re: New oil as flush pre new-fill. [Re: ARMY_Guy] #4113642 06/02/16 08:20 PM
Joined: Dec 2002
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JHZR2 Offline
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What says there is any issue? I'd consider a cheap hdeo first I think, skip any adds unless there really is some unresolved issue you can't get past.

If the engine is running well, I'm not seeing any compelling reason to do this. The 6hr idle time is also terribly frightening...

If you really have the itch, add the mmo or kreen at the end on a regular OCI, and just drive very light until the engine is up to temp, then drain thoroughly. That's enough to solvate and loosen any big/loose dirt in there. You can go longer, but again I'd want a compelling reason before exposing the engine to solvents for longer.

If you think things are that bad, I'd skip goofing with adds, and drop the pan and pull the valve cover.

Re: New oil as flush pre new-fill. [Re: ARMY_Guy] #4113650 06/02/16 08:39 PM
Joined: Mar 2004
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Donald Offline
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Pull the valve cover and check things out. Auto-Rx or Kreen would be additives I would consider. But I would probably just use PP and keep the OCI at 5000.

Some amount of sludge is not a big deal. If the engine is running fine now then you just need to make sure the sludge is on a downward trend not upward. Running PP or M1 will do that unless there are engine issues.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: New oil as flush pre new-fill. [Re: ARMY_Guy] #4113699 06/02/16 09:33 PM
Joined: Oct 2014
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CT8 Offline
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Exactly why are we flushing the engine?

Re: New oil as flush pre new-fill. [Re: ARMY_Guy] #4113737 06/02/16 10:08 PM
Joined: Oct 2005
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Kuato Offline
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Originally Posted By: ARMY_Guy
Friends, How do you feel about using 5 quarts of any grade of STP Oil + 1 quart of Mystery Marvel Fluid with a new filter as a FLUSH. I'd idle the Jeep (w 200,000 miles) for 6 hours, hence, as per the govts' calculations, have theoretically 'driven' it 300 miles. Id dump it and put in some real primo stuff, such as M1, PP, Motul, Redline, or Royal Purple. I'd use STP because its $3.99 a qt, and would be less w my military discount.

The Jeep has a 6 quart sump. I understand as per the other threads here, "engine flush" are semi-dangerous, and better left alone. I am aware 'a good oil and proper maintenance' keep an engine clean enough but I wanted to put the question to you - most of whom are people I rely on. (I'm looking at you DemarPaint...) Thank you all.

-A


From your sig it looks like you are using 0w40 already. No need for all the hullabaloo, just continue with a solid 0w40 synthetic!


Thick vs Thin test: 15k / 43k miles complete
Re: New oil as flush pre new-fill. [Re: ARMY_Guy] #4113752 06/02/16 10:19 PM
Joined: Dec 2011
Posts: 462
oilmutt Offline
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Posts: 462
Try brake fluid,1qt. idle for 1hour,engine will be as clean as a hound tooth!


'05 Chevy Malibu 6cyl,119k, Syn. Oil (owned)
'16 Toyota Camry,4cyl 25k Syn oil (leased)
'92 Ford Tempo ,4cly 26k Conv oil (managed)
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