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#2443335 - 11/23/11 09:40 PM Re: Engine Flush/Crankcase cleaner [Re: Ford601]
stro_cruiser Offline


Registered: 02/26/11
Posts: 664
Loc: South Florida
Use Kreen. safe, very effective.
Why wait thru repeated OCIs using PYB or the like, when 2 treatments with Kreen would give better results in a fraction of the time. MMO takes too long, Auto-Rx is way over blown in price, length of time to work, and it efficacy. just my opinions!!

But, dont believe me, call them at 800 311 3374 and speak to them for yourself, ask your own questions. They are very patient, helpful and candid about their products

Love the tractor! Reminds me of our old Ford 2000 in England.
_________________________
2000 Accord EX 4CYL/5MT




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#2443387 - 11/23/11 11:02 PM Re: Engine Flush/Crankcase cleaner [Re: oilboy123]
Bayman Offline


Registered: 10/15/11
Posts: 173
Loc: Indiana
Originally Posted By: oilboy123
I personally would use Auto-RX. Amsoil has a detergent based flush product out now. I have not tried it though. You could try MMO, or something like that.

I would not use a solvent based product.



MMO worked for a Mower Carb [Re: crazyoildude]



oilboy123


Registered: 12/05/03
Posts: 5783
Loc: Everett, Washington



Yes I am just starting to get on a MMO kick myself.

Did one Auto-RX run I had to abort on my Dad's van. Did 2 more all the way throgh. I had the oil pan off because the timing cover was leaking from pits in it.

I then noticed there was still some sludge in the engine. I am running a 1/2 qt of MMO in the oil and some in the gas. I might run another short run with MMO.
I might start running it in my fuel at times.

_________________________
Years teach us more than books.
Berthold Auerbach

How did the MMO work out on your Dad's van.

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#2443499 - 11/24/11 05:59 AM Re: Engine Flush/Crankcase cleaner [Re: Ford601]
zyxelenator Offline


Registered: 01/24/11
Posts: 1340
Loc: Louisville,KY
I know, and tried quality,not cheap flushes and cleaners myself. They will liquefy softer sludge and deposits first and fast. No huge chunks floating around.Then it slowly cleans hard deposits. I've inspected my filters many times and found some grit pieces there(not so many, rest was liquefied). Largest was around 1-1.5 mm.
I don't think 50 year old tractor has passages smaller than 2mm.
If you want absolutely safest way: increase cleaning power by little steps:
PYB
HM oil
HM synthectic
PYB + AutoRX
HM oil rinse oci
HM synthectic+ MMO
HM synthectic+ Kreen
HM synthectic+ good flush




Edited by zyxelenator (11/24/11 06:02 AM)
_________________________
99 Camry V6, 5 speed M/T
148k miles.Current fill:5w-30 G-oil,OVERSIZE P1, some Kreen and Ceratec added.
Lubro Moly 75w90 synthetic hypoid oil,with Moly

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#2443776 - 11/24/11 11:39 AM Re: Engine Flush/Crankcase cleaner [Re: Ford601]
addyguy Offline


Registered: 09/08/05
Posts: 13874
Loc: Canada
I would NOT flush that engine.

I'd run Rotella T6 5W-40 of Delvac 1 5W-40 in it at short change intervals to do some slow cleaning.

Like others have said, for a 50+ year old engine, it is in pretty darn good shape - don't jinx it!
_________________________
2010 Kia Soul 2U - 2.0L I-4, auto, 86k miles.
QSGB 5W-20, NAPA select filter(?)

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#2443813 - 11/24/11 12:21 PM Re: Engine Flush/Crankcase cleaner [Re: OtisBlkR1]
demarpaint Offline


Registered: 07/03/05
Posts: 25195
Loc: NY
Originally Posted By: OtisBlkR1
whats recomended oil weight ? if it was mine and you already had the VC off i would clean what you could by hand. Then using a HM oil with good cleaning properties, some MMO, and look for slow results. I wouldnt want to use anything extreme as i agree that large chunks of gunk could be lodged, not to mention the oil filter clogging quickly. ive read alot of positives on BITOG on using "Kreen" ? i think, ive got no experience with it

If you do use a aggressive cleaner, change that filter and oil often..


I agree, maybe a pint of MMO vs. a qt added to a good HM oil. I'd stay clear of engine flushes.
_________________________
God Bless Our Troops


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#2444009 - 11/24/11 05:19 PM Re: Engine Flush/Crankcase cleaner [Re: addyguy]
ltslimjim Offline


Registered: 08/06/10
Posts: 5504
Loc: WatUpDoc
Originally Posted By: addyguy
I would NOT flush that engine.

I'd run Rotella T6 5W-40 of Delvac 1 5W-40 in it at short change intervals to do some slow cleaning.


Like others have said, for a 50+ year old engine, it is in pretty darn good shape - don't jinx it!


I agree on this one. Use T6 of Delvac 1, but if the OP wanted to add Kreen or MMO for the last 1,000 miles on a 2nd or 3rd OCI once on a good HDEO I don't think those will be an issue.
_________________________
92 Civic Hatch (stolen frown RIP)
07 Honda Fit Sport (A/T) WELCOME thumbsup

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#2444388 - 11/25/11 08:34 AM Re: Engine Flush/Crankcase cleaner [Re: Ford601]
Donald Offline


Registered: 03/21/04
Posts: 16940
Loc: Upstate NY
While I think ARX is good and very safe, it would take you forever to do the clean and rinse cycle. I would use a HD synthetic oil and it will be a little cleaner each time you change the oil. You don't have much gooey sludge so it will take awhile. I would forget MMO, let the oil do its cleaning thing.
_________________________
2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2001 Jeep Grand Cherokee Laredo 4.0- sold
1999 Dodge Ram 2500 w/Cummins- 4-sale


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#2445412 - 11/26/11 03:21 PM Re: Engine Flush/Crankcase cleaner [Re: Ford601]
Ken2 Offline


Registered: 12/02/02
Posts: 6358
Loc: Washington St.
Auto-Rx is safe, but as posted above, it will take a lot of hours of operation to get the engine clean. Anything else will also take a while to clean it. You could even fill the engine completely with kerosene, let it soak as long as possible, drain completely including being sure the cylinders don't have kero above the pistons, fill with cheap oil, run briefly, drain, fill with good oil and run until it's dirty, drain, refill, etc. Or, just use any modern oil and let it clean very slowly. Marvel Mystery Oil is likely harmless.
_________________________
Every gun that is made, every warship launched..a theft from those who hunger and are not fed, those who are cold and not clothed.
Gen. Eisenhower


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