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Your favorite motor flush #4822362
07/24/18 06:30 PM
07/24/18 06:30 PM
Joined: Aug 2014
Posts: 1,848
FEMA Region 4
jk_636 Offline OP
jk_636  Offline OP
Joined: Aug 2014
Posts: 1,848
FEMA Region 4
Not looking to debate the merits or potential "dangers" of the chemical motor flush, but out of curiosity, what is your favorite and why? 5 minute motor flush? Kerosene? Kreen? Liqui-moly? ATF? Diesel?

There are big differences in price point and availability between all of these, so wondering why you may prefer one over another?


2006 Dodge Ram 1500 4.7 (Supertech 5w30 + OCOD)

2012 Ford Escape 3.0 (Royal Purple 0w20 + Fram Ultra)
Re: Your favorite motor flush [Re: jk_636] #4822366
07/24/18 06:35 PM
07/24/18 06:35 PM
Joined: Feb 2014
Posts: 2,564
Canada
Lolvoguy Offline
Lolvoguy  Offline
Joined: Feb 2014
Posts: 2,564
Canada
a few cycles of PYB is all I use smile


06 Lexus IS350- Wife
88 BMW 325is- Mistress
Re: Your favorite motor flush [Re: jk_636] #4822370
07/24/18 06:40 PM
07/24/18 06:40 PM
Joined: Mar 2015
Posts: 11,635
In the shop
53' Stude Offline
53' Stude  Offline
Joined: Mar 2015
Posts: 11,635
In the shop
City Star 10w30 grin2


09' Camry LE, 141,020 miles

PP 5w30 and TG 4967
Re: Your favorite motor flush [Re: jk_636] #4822373
07/24/18 06:45 PM
07/24/18 06:45 PM
Joined: Aug 2011
Posts: 3,238
n.c.
gman2304 Offline
gman2304  Offline
Joined: Aug 2011
Posts: 3,238
n.c.
Iíve never owned an engine that needed flushing..AFAIK.

Re: Your favorite motor flush [Re: jk_636] #4822376
07/24/18 06:58 PM
07/24/18 06:58 PM
Joined: Apr 2014
Posts: 1,873
Spring,Texas
Bud_One Offline
Bud_One  Offline
Joined: Apr 2014
Posts: 1,873
Spring,Texas
HDEO 15W-40


16 Civic-QSUD 0W-20, XG7317
14 Civic-Idemitsu Zepro 0W-20, XG7317
05 Chevy 2500HD-QSUD 10W-30, XG3675
97 Accord Wagon-Havoline HM 10W-30, PH3593A
Re: Your favorite motor flush [Re: jk_636] #4822378
07/24/18 07:00 PM
07/24/18 07:00 PM
Joined: Apr 2012
Posts: 5,419
MA
Wolf359 Offline
Wolf359  Offline
Joined: Apr 2012
Posts: 5,419
MA
Regular motor oil.

Which manufacturer recommends motor flushes?

Re: Your favorite motor flush [Re: jk_636] #4822387
07/24/18 07:07 PM
07/24/18 07:07 PM
Joined: Sep 2005
Posts: 910
Australia
toyota62 Offline
toyota62  Offline
Joined: Sep 2005
Posts: 910
Australia


Bob.
Re: Your favorite motor flush [Re: jk_636] #4822393
07/24/18 07:21 PM
07/24/18 07:21 PM
Joined: Aug 2014
Posts: 1,848
FEMA Region 4
jk_636 Offline OP
jk_636  Offline OP
Joined: Aug 2014
Posts: 1,848
FEMA Region 4
$112 for flush concentrate??? shocked2

Yikes!

Last edited by jk_636; 07/24/18 07:22 PM.

2006 Dodge Ram 1500 4.7 (Supertech 5w30 + OCOD)

2012 Ford Escape 3.0 (Royal Purple 0w20 + Fram Ultra)
Re: Your favorite motor flush [Re: jk_636] #4822397
07/24/18 07:26 PM
07/24/18 07:26 PM
Joined: Oct 2009
Posts: 386
California
Billbert Offline
Billbert  Offline
Joined: Oct 2009
Posts: 386
California
HDEO plus MMO


If you think you can, or if you think you can't, You are probably right.

Auto Instructor / ASE Master Tech
Re: Your favorite motor flush [Re: jk_636] #4822403
07/24/18 07:34 PM
07/24/18 07:34 PM
Joined: Mar 2008
Posts: 7,161
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 7,161
USA
Liqui-Moly seems to have a good reputation as quality product, so that's what I'd use if I ever wanted to flush, like on that 40k OCI Cobalt

But otherwise, I would just do a few short OCI's

Re: Your favorite motor flush [Re: slacktide_bitog] #4822405
07/24/18 07:41 PM
07/24/18 07:41 PM
Joined: Aug 2014
Posts: 1,848
FEMA Region 4
jk_636 Offline OP
jk_636  Offline OP
Joined: Aug 2014
Posts: 1,848
FEMA Region 4
Originally Posted By: Billbert
HDEO plus MMO


I have used MMO in 20% concentration in the past, not as a flush but as a passive cleaner and left it in for the entire OCI. I dont think it is strong enough to meet the flush category, but for repetitive use over long periods it has always given me good results.



Originally Posted By: slacktide_bitog
Liqui-Moly seems to have a good reputation as quality product, so that's what I'd use if I ever wanted to flush, like on that 40k OCI Cobalt

But otherwise, I would just do a few short OCI's


This is for more than just the 40k OCI Cobalt but I agree with your approach.

I have seen people here swear by liqui moly, but I have always used 5 minute (only thing readily available at wally world or parts house.)

IIRC 5 minute is just a mixture of mineral spirits and kerosene.

Besides being German, what sets liqui-moly apart from the competition?


Last edited by jk_636; 07/24/18 07:42 PM.

2006 Dodge Ram 1500 4.7 (Supertech 5w30 + OCOD)

2012 Ford Escape 3.0 (Royal Purple 0w20 + Fram Ultra)
Re: Your favorite motor flush [Re: jk_636] #4822406
07/24/18 07:42 PM
07/24/18 07:42 PM
Joined: Jan 2013
Posts: 1,390
America's Dairyland
LotI Offline
LotI  Offline
Joined: Jan 2013
Posts: 1,390
America's Dairyland
Motor oil


03 Honda Interceptor
11 Kawasaki KLR 650
12 Ford E450
17 VW GTI
[IMG]http://badges.fuelly.com/images/sig-us/803455.png[/IMG]
Re: Your favorite motor flush [Re: jk_636] #4822411
07/24/18 07:47 PM
07/24/18 07:47 PM
Joined: Feb 2012
Posts: 81
NJ
irad Offline
irad  Offline
Joined: Feb 2012
Posts: 81
NJ
4 ounces of kerosene, run for 100 miles, and then an oil change. I do this every 30,0000 miles on a 1.8t Passat.

Re: Your favorite motor flush [Re: jk_636] #4822412
07/24/18 07:52 PM
07/24/18 07:52 PM
Joined: Oct 2012
Posts: 2,469
Staten Island, NY
michaelluscher Offline
michaelluscher  Offline
Joined: Oct 2012
Posts: 2,469
Staten Island, NY
LiquiMoly engine flush

Helped a varnished up lifter that was annoying me at idle


'06 Toyota Camry SE V6 3MZ-FE 100k
'01 Mercury Villager Estate VG33E 52k
'06 Ford Taurus SE Vulcan 60k
'13 Chrysler 300 3.6 Pentastar 230k
Re: Your favorite motor flush [Re: jk_636] #4822415
07/24/18 08:02 PM
07/24/18 08:02 PM
Joined: Sep 2010
Posts: 7,139
Texas & Global
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 7,139
Texas & Global
Originally Posted By: jk_636
Not looking to debate the merits or potential "dangers" of the chemical motor flush, but out of curiosity, what is your favorite and why? 5 minute motor flush? Kerosene? Kreen? Liqui-moly? ATF? Diesel?

There are big differences in price point and availability between all of these, so wondering why you may prefer one over another?




5k-7k with a brand name synthetic Öso you donít need the little cans Ö


2018 Chevy 1500 Z71 4WD
2017 Chevy Tahoe LT 4WD
2014 Fusion Hybrid Titanium
2013 Cruze LTZ - RS Turbo
Re: Your favorite motor flush [Re: 4WD] #4822422
07/24/18 08:09 PM
07/24/18 08:09 PM
Joined: Aug 2014
Posts: 1,848
FEMA Region 4
jk_636 Offline OP
jk_636  Offline OP
Joined: Aug 2014
Posts: 1,848
FEMA Region 4
Originally Posted By: 4WD
Originally Posted By: jk_636
Not looking to debate the merits or potential "dangers" of the chemical motor flush, but out of curiosity, what is your favorite and why? 5 minute motor flush? Kerosene? Kreen? Liqui-moly? ATF? Diesel?

There are big differences in price point and availability between all of these, so wondering why you may prefer one over another?




5k-7k with a brand name synthetic Öso you donít need the little cans Ö


This doesn't mean you wont need little cans later.


2006 Dodge Ram 1500 4.7 (Supertech 5w30 + OCOD)

2012 Ford Escape 3.0 (Royal Purple 0w20 + Fram Ultra)
Re: Your favorite motor flush [Re: jk_636] #4822423
07/24/18 08:13 PM
07/24/18 08:13 PM
Joined: Sep 2010
Posts: 7,139
Texas & Global
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 7,139
Texas & Global
Worked several decades so far Ö


2018 Chevy 1500 Z71 4WD
2017 Chevy Tahoe LT 4WD
2014 Fusion Hybrid Titanium
2013 Cruze LTZ - RS Turbo
Re: Your favorite motor flush [Re: jk_636] #4822424
07/24/18 08:14 PM
07/24/18 08:14 PM
Joined: Jul 2013
Posts: 2,259
Outer Banks, NC
NormanBuntz Offline
NormanBuntz  Offline
Joined: Jul 2013
Posts: 2,259
Outer Banks, NC
The only engine flush I ever used was Mac's, sold at Napa and made by Gold Eagle. Used it in the 1960's on a 1940's Farmall Cub and a 1960 Willys pickup. Napa still carries Mac's. It's probably mostly kerosene. It did a decent job then.


2017 Honda Odyssey SE, 16K
2013 Honda Accord LX, 58K
2007 Honda Ridgeline RTS, 88K
2007 Infiniti M35, 107K
Re: Your favorite motor flush [Re: Lolvoguy] #4822432
07/24/18 08:25 PM
07/24/18 08:25 PM
Joined: Oct 2014
Posts: 12,242
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,242
Idaho
Originally Posted By: Lolvoguy
a few cycles of PYB is all I use smile
What is in Pennzoil that any other equally rated oil lacks ?


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Your favorite motor flush [Re: jk_636] #4822434
07/24/18 08:27 PM
07/24/18 08:27 PM
Joined: Mar 2014
Posts: 3,411
NJ
Leo99 Offline
Leo99  Offline
Joined: Mar 2014
Posts: 3,411
NJ
I used MMO a few months ago in my Rav4. Don't think it did anything good.


Without data you're just another person with an opinion. W. E. Deming

2003 Corolla 250,000 miles (RIP)
2004 Corolla 125,000 miles
2004 Rav4 370,000 miles
2015 Camry 70,000 miles
Re: Your favorite motor flush [Re: jk_636] #4822467
07/24/18 09:18 PM
07/24/18 09:18 PM
Joined: May 2012
Posts: 1,755
The land of USA-made Subies!
SubieRubyRoo Offline
SubieRubyRoo  Offline
Joined: May 2012
Posts: 1,755
The land of USA-made Subies!
Come on now, y'all. Let's share good info from what we've learned. In the past couple months for sure there have been some good discussions from JAG, SonOfJoe, and MolaKule has chimed in too from what I remember on this topic. There are only two ways to really "flush" an engine/clean out accumulated crud. One is to use some kind of solvent (i.e. Kreen or Kerosene), or to use an extremely polar oil (i.e. Valvoline Restore) that is specifically designed to chemically remove carbon and deposits because it attracts the bad stuff back into suspension more strongly than the internal surfaces of the engine does so it can then be caught by the filter. This type of oil is generally significantly more expensive than regular motor oils, and was specifically designed by Cummins & Valvoline because even $72/gallon oil is cheaper than re-ringing or rebuilding a diesel engine.

It's been discussed over and over by some of the tribologists (SonOfJoe for sure) on this awesome board that the detergents in a normal oil do not work like the detergents you dump in your washing machine, so they DO NOT perform some magical scrubbing of your engine's innards like some others like to claim. HDEOs, PYB, etc. can only perform the function of stirring up some of the accumulated particulates on the surface to be captured by the oil filter; it will not de-varnish, nor de-sludge, nor work miracles on an engine that has been neglected for a long period of time. It has also been pointed out (I believe by Shannow) that Group I/II oils are typically much more polar than synthetic oils (Group III+) and that there was a marked increase in deposits in his turbines when the oils used switched from the lower group oils to more heavily refined, less polar oils.

Now, to return to value-added questions, OP, why do you think you need to flush your engine? Has removal of the valvecover or oil pan revealed particulate deposits? Or is there just some varnish through the oil fill hole that you wish to remove? If it is the former, you may need to pursue one of the solutions in the first paragraph. Trav had a great thread on Kreen that should answer any of your questions about it. If it is just varnish, generally there is no detriment to some light surface varnish, so save your money and just change your oil at sensible intervals. HTH!

Re: Your favorite motor flush [Re: jk_636] #4822484
07/24/18 10:01 PM
07/24/18 10:01 PM
Joined: Jun 2018
Posts: 80
Canada
Gixxer46 Offline
Gixxer46  Offline
Joined: Jun 2018
Posts: 80
Canada
I use Amsoil engine and tranny flush with every oil change. Iím going to try Kreen.

Interesting read above.


2013 Ram 1500 with a 4.7.

I use 0W-20 year round. I alternate between RP and Amsoil Signature series.
Re: Your favorite motor flush [Re: jk_636] #4822512
07/24/18 11:55 PM
07/24/18 11:55 PM
Joined: Jul 2017
Posts: 542
Texas (south)
FermeLaPorte Offline
FermeLaPorte  Offline
Joined: Jul 2017
Posts: 542
Texas (south)
I don't use Pennzoil so I never have the need to flush engines. My engines are clean as a baby's mind.


Always Mobil 1
2014 1.6L Nissan Versa Sedan, 5 spd, 5k OCI.
2011 3.5L Chevrolet Impala, Automatic, 5k OCI.
Re: Your favorite motor flush [Re: jk_636] #4822542
07/25/18 03:32 AM
07/25/18 03:32 AM
Joined: Sep 2013
Posts: 10,593
Indiana
dlundblad Offline
dlundblad  Offline
Joined: Sep 2013
Posts: 10,593
Indiana
I would rather something soak in the engine overnight than run if 15 mins in the engine if that's what you're getting at.


03 Jeep WJ 4.0 200k Castrol Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 177k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 149k Rotella T5 10w30 Supertech ST3980

Re: Your favorite motor flush [Re: jk_636] #4822556
07/25/18 04:52 AM
07/25/18 04:52 AM
Joined: Dec 2002
Posts: 1,603
North Carolina
Rat407 Offline
Rat407  Offline
Joined: Dec 2002
Posts: 1,603
North Carolina
AMSOIL engine flush. I got a good deal on 12 bottles of the old formula for $10.


2002 Silverado 5.3 0w-20 AMSOILģ
Re: Your favorite motor flush [Re: jk_636] #4822560
07/25/18 05:11 AM
07/25/18 05:11 AM
Joined: Mar 2015
Posts: 5,147
Glendale, Arizona
billt460 Offline
billt460  Offline
Joined: Mar 2015
Posts: 5,147
Glendale, Arizona
Just change your oil more often, and your engine won't need "flushing".

Re: Your favorite motor flush [Re: jk_636] #4822578
07/25/18 06:07 AM
07/25/18 06:07 AM
Joined: Mar 2004
Posts: 20,917
Upstate NY
Donald Offline
Donald  Offline
Joined: Mar 2004
Posts: 20,917
Upstate NY
Originally Posted By: jk_636
Not looking to debate the merits or potential "dangers" of the chemical motor flush, but out of curiosity, what is your favorite and why? 5 minute motor flush? Kerosene? Kreen? Liqui-moly? ATF? Diesel?

There are big differences in price point and availability between all of these, so wondering why you may prefer one over another?




Were I to do a flush it would be with Amsoil flush.


2015 Subaru Forester 2.5 engine/CVT
2015 Ford F250 w/Powerstroke
2016 Subaru Crosstrek CVT (wife's)
Re: Your favorite motor flush [Re: jk_636] #4822591
07/25/18 06:26 AM
07/25/18 06:26 AM
Joined: Aug 2003
Posts: 3,613
lllinois
salesrep Offline
salesrep  Offline
Joined: Aug 2003
Posts: 3,613
lllinois


High quality Specialized Lubricants pay for themselves!
Re: Your favorite motor flush [Re: Gixxer46] #4822596
07/25/18 06:40 AM
07/25/18 06:40 AM
Joined: Aug 2014
Posts: 1,848
FEMA Region 4
jk_636 Offline OP
jk_636  Offline OP
Joined: Aug 2014
Posts: 1,848
FEMA Region 4
Originally Posted By: SubieRubyRoo
Come on now, y'all. Let's share good info from what we've learned. In the past couple months for sure there have been some good discussions from JAG, SonOfJoe, and MolaKule has chimed in too from what I remember on this topic. There are only two ways to really "flush" an engine/clean out accumulated crud. One is to use some kind of solvent (i.e. Kreen or Kerosene), or to use an extremely polar oil (i.e. Valvoline Restore) that is specifically designed to chemically remove carbon and deposits because it attracts the bad stuff back into suspension more strongly than the internal surfaces of the engine does so it can then be caught by the filter. This type of oil is generally significantly more expensive than regular motor oils, and was specifically designed by Cummins & Valvoline because even $72/gallon oil is cheaper than re-ringing or rebuilding a diesel engine.

It's been discussed over and over by some of the tribologists (SonOfJoe for sure) on this awesome board that the detergents in a normal oil do not work like the detergents you dump in your washing machine, so they DO NOT perform some magical scrubbing of your engine's innards like some others like to claim. HDEOs, PYB, etc. can only perform the function of stirring up some of the accumulated particulates on the surface to be captured by the oil filter; it will not de-varnish, nor de-sludge, nor work miracles on an engine that has been neglected for a long period of time. It has also been pointed out (I believe by Shannow) that Group I/II oils are typically much more polar than synthetic oils (Group III+) and that there was a marked increase in deposits in his turbines when the oils used switched from the lower group oils to more heavily refined, less polar oils.


Thanks for the thorough post Subie. I appreciate the constructive input! I will try and find those threads you mentioned.

All engines develop varnish if you drive them long enough even for those of us who change the oil religiously. Some engines are prone to sludging by the nature of their design. Keeping those things in mind, and a fan of the idea of motor flushes myself, I was just wondering what your favorite was and why?


Originally Posted By: Gixxer46
I use Amsoil engine and tranny flush with every oil change. Iím going to try Kreen.

Interesting read above.


I have heard people say good things about Kreen as well. What is it about Kreen that sets it apart from the competition? confused


2006 Dodge Ram 1500 4.7 (Supertech 5w30 + OCOD)

2012 Ford Escape 3.0 (Royal Purple 0w20 + Fram Ultra)
Re: Your favorite motor flush [Re: jk_636] #4822677
07/25/18 08:54 AM
07/25/18 08:54 AM
Joined: Sep 2004
Posts: 7,670
Marshfield , MA
andyd Offline
andyd  Offline
Joined: Sep 2004
Posts: 7,670
Marshfield , MA
When the Borman 6 hit 300Kmiles, I removed the valve cover for the first time. 150kmiles of cheap dino 20w50 changed every 3kmiles. The valve train had a coat of harmless varnish. In the right rear corner was maybe a 1/4 cup of sludge. I set the valves and buttoned it back up. A far cry from the Chevy 235s I cleaned sludge out of with a putty knife and a bucket, while the draft pipe was being burnt out to clean it. Oil is so much better now. Keep it topped off and change it once in a while. I have only used MMO in the oil to thin for winter temps. 20w50 doesn't like single number temps F. If I had a lifter tick that wasn't loose lash, I may try some flush. Save your worrying for important stuff. grin2


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: Your favorite motor flush [Re: irad] #4822734
07/25/18 09:58 AM
07/25/18 09:58 AM
Joined: Mar 2012
Posts: 215
Southern NY
MoneyJohn Offline
MoneyJohn  Offline
Joined: Mar 2012
Posts: 215
Southern NY
Originally Posted By: irad
4 ounces of kerosene, run for 100 miles, and then an oil change. I do this every 30,0000 miles on a 1.8t Passat.

How do you dispose off this oil then? I usually hand it over to AutoZone guys and every time they ask if I have mixed anything to the oil. I assume, if I say yes, they won't take it. So I have not mixed anything yet, except once I added MMO, but I told them and they were fine with that. Not sure abt Kerosene, hence the question.


2015 Subaru Forester 2.5i Premium w/ EyeSight
2006 Nissan Sentra 1.8S Special Edition
Re: Your favorite motor flush [Re: jk_636] #4822759
07/25/18 10:29 AM
07/25/18 10:29 AM
Joined: Apr 2017
Posts: 1,325
San Rafael, CA
dogememe Offline
dogememe  Offline
Joined: Apr 2017
Posts: 1,325
San Rafael, CA
I would never put any sort of motor flush or cleaning additive in any of my vehicles. A few extra-short oil change intervals with the cheapest possible oil sounds good to me.

Last edited by dogememe; 07/25/18 10:48 AM.

2010 Ford Escape 2.5 ~90K: Royal Purple 5W-30, AMSOIL SS FE ATF.
1995 Chevy Silverado 5.7 ~276K: Delo 10W-30, AMSOIL OE MV ATF.
Re: Your favorite motor flush [Re: MoneyJohn] #4822782
07/25/18 10:59 AM
07/25/18 10:59 AM
Joined: Jan 2017
Posts: 1,770
VW Fanboy Island
maxdustington Online content
maxdustington  Online Content
Joined: Jan 2017
Posts: 1,770
VW Fanboy Island
Originally Posted By: MoneyJohn
Originally Posted By: irad
4 ounces of kerosene, run for 100 miles, and then an oil change. I do this every 30,0000 miles on a 1.8t Passat.

How do you dispose off this oil then? I usually hand it over to AutoZone guys and every time they ask if I have mixed anything to the oil. I assume, if I say yes, they won't take it. So I have not mixed anything yet, except once I added MMO, but I told them and they were fine with that. Not sure abt Kerosene, hence the question.


Kero/diesel = fuel oil. I wonder what portion of a full waste oil tank is fuel? Dealerships must have quite a bit of fuel diluted in their waste oil tanks from servicing new, DI cars.

I'm sure they would love any type of solvent that would not damage their equipment. I assume it would help thin the oil a little bit and clean out the sludge.

If you used kerosene as an engine flush and then gave it to someone who had a waste oil heater, I am sure they would be pleased.


03 Jetta AWP/09A 205k kms
Edge 0W40 + Mann 719/30
Re: Your favorite motor flush [Re: jk_636] #4823182
07/25/18 07:42 PM
07/25/18 07:42 PM
Joined: Dec 2009
Posts: 25,858
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 25,858
Regina, Saskatchewan, Canada
I've used a solvent flush, but only once, and when the engine was going to be coming apart anyhow, so the risk was minimised. That was the old F-150, when it needed to be rebuilt as it was.


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Your favorite motor flush [Re: jk_636] #4823200
07/25/18 08:28 PM
07/25/18 08:28 PM
Joined: May 2012
Posts: 1,755
The land of USA-made Subies!
SubieRubyRoo Offline
SubieRubyRoo  Offline
Joined: May 2012
Posts: 1,755
The land of USA-made Subies!
OP, I prefer Kreen. Travís thread on it convinced me for troubled engines. That, coupled with the fact that Kano Labs offers a no-questions-asked refund if you are not pleased with the results kinda seals the deal. So, if you have an engine condition that requires a solvent-based additive, IMHO there is not a better option. Itís been thoroughly tested and given thumbs up by several board members and doesnít cost you anything if it doesnít please you with the results... whatís the downside?

Re: Your favorite motor flush [Re: jk_636] #4823261
07/25/18 10:43 PM
07/25/18 10:43 PM
Joined: Jan 2016
Posts: 828
NC
Vladiator Offline
Vladiator  Offline
Joined: Jan 2016
Posts: 828
NC
Quart of MMO in crankcase 100-300 miles before the oil change.

For especially dirty engines that don't normally consume oil - substitute a quart of oil for a quart of MMO and check the level often and top off with more MMO for 3k-4k OCI, as MMO burns off easier than motor oil. If engine consumes oil before MMO, then it gets "Delo 5w40 XSP" and MMO with MMO being the top-off throughout the short 3k OCI.


BITOG: The place of "blanket" statements.
Re: Your favorite motor flush [Re: jk_636] #4823294
07/26/18 03:22 AM
07/26/18 03:22 AM
Joined: Mar 2008
Posts: 6,075
Michigan
ZZman Offline
ZZman  Offline
Joined: Mar 2008
Posts: 6,075
Michigan
Gunk


2003 Mercury Grand Marquis. PP HM 5w-30 and Fram Ultra
2008 Sebring Hardtop convertible. PP HM 5w-30 and Fram Ultra
2006 Kawasaki Vulcan 900 LT. Motul 7100 10w-40 and K&N
Re: Your favorite motor flush [Re: jk_636] #4823648
07/26/18 01:18 PM
07/26/18 01:18 PM
Joined: Nov 2006
Posts: 20,300
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,300
MA, Mittelfranken.de
None if there is no problem that would require it. For legitimately stuck rings and verified by a leak down test I do a 15-20 min idle only with Chemtool followed by a dose of Kreen for 1K the retest.
If its showing real improvement not just a few psi I repeat in 3K.

For real sludge take the pan off or another procedure that lays the car up a few days and cant be started.


ASE L1, Master. Deutsch Meisterbrief.
Re: Your favorite motor flush [Re: jk_636] #4825128
07/28/18 12:09 PM
07/28/18 12:09 PM
Joined: Sep 2004
Posts: 7,670
Marshfield , MA
andyd Offline
andyd  Offline
Joined: Sep 2004
Posts: 7,670
Marshfield , MA
Observe a reasonable OCI. Err on the low side. You'll never need to use anything. I used to drop#3 exhaust valve on bug engines fairly often. Damage usually totalled the engine. But never any sludge. Anything really gunky wound up in the screen There nevr was anything there


'16 Camry LE STP synth 0w20 and STP filter. the Fridge

1994 Ranger ,the Rat, 5w30 dino, STP filter

'16 Camry SE, Valvoline HM 0w20 and OEM filter
Thick oil is better grin2
Re: Your favorite motor flush [Re: jk_636] #4829215
08/02/18 08:13 AM
08/02/18 08:13 AM
Joined: Dec 2005
Posts: 17
Grand Rapids,MI
Olinskis Offline
Olinskis  Offline
Joined: Dec 2005
Posts: 17
Grand Rapids,MI
LC20. You can do a 'flush' level dose of 1-2oz per quart in your sump 500ish miles prior to your next change. Else just slowly dissolve deposits over time adding 1oz to your engine every 1000 miles. For me the product pays for itself through the slight MPG bump and peace of mind.

1oz every 1000 miles cleaned up and smoothed out both the 2gr and 4gr toyota engines [I didn't want to do a fast flush]. Both had less than 100,000 miles when I got them, both had been changed at the dealer with 5w30 toyota dino every 5000 miles. Both ran rough so I read and learned about how direct injection can lead to carbon buildup. But hey, I guess if I just kept changing at the factory interval with a quality conventional oil it would have cleaned itself out? ./rolleyes .

Re: Your favorite motor flush [Re: jk_636] #4829257
08/02/18 08:46 AM
08/02/18 08:46 AM
Joined: Mar 2006
Posts: 2,284
Colorado
sw99 Offline
sw99  Offline
Joined: Mar 2006
Posts: 2,284
Colorado
I also run some Kreen every 5 OCI's these days. For example, in the small versa sump, I have about 4 ounces in there now. I usually run it towards the end of my OCI and keep it in there for a few hundred miles before my oil change.


2016 Nissan Versa S 1.6L
2018 Subaru Outback 2.5i
2018 Ford F350 6.2L

Re: Your favorite motor flush [Re: jk_636] #4898173
10/16/18 06:21 PM
10/16/18 06:21 PM
Joined: Mar 2008
Posts: 6,075
Michigan
ZZman Offline
ZZman  Offline
Joined: Mar 2008
Posts: 6,075
Michigan
Gunk Motor Flush


2003 Mercury Grand Marquis. PP HM 5w-30 and Fram Ultra
2008 Sebring Hardtop convertible. PP HM 5w-30 and Fram Ultra
2006 Kawasaki Vulcan 900 LT. Motul 7100 10w-40 and K&N
Re: Your favorite motor flush [Re: jk_636] #4898356
10/17/18 01:17 AM
10/17/18 01:17 AM
Joined: Jun 2003
Posts: 2,745
BC, Canada
userfriendly Offline
userfriendly  Offline
Joined: Jun 2003
Posts: 2,745
BC, Canada
My favorite is SAE 40 engine oil. Nothing cleans better.

Re: Your favorite motor flush [Re: jk_636] #4898433
10/17/18 06:23 AM
10/17/18 06:23 AM
Joined: Jun 2018
Posts: 80
Canada
Gixxer46 Offline
Gixxer46  Offline
Joined: Jun 2018
Posts: 80
Canada
Amsoil engine flush or kreen.


2013 Ram 1500 with a 4.7.

I use 0W-20 year round. I alternate between RP and Amsoil Signature series.
Re: Your favorite motor flush [Re: jk_636] #4898474
10/17/18 07:51 AM
10/17/18 07:51 AM
Joined: Aug 2008
Posts: 20,415
ON, Canada eh?
StevieC Offline
StevieC  Offline
Joined: Aug 2008
Posts: 20,415
ON, Canada eh?
Amsoil engine/transmission flush. No solvents just strong detergents and dispersants. Safe to use every change as well.


Last edited by StevieC; 10/17/18 07:52 AM.

'18 Dodge Grand Caravan GT - AMSOIL SS 5w20
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF
Re: Your favorite motor flush [Re: StevieC] #4898519
10/17/18 08:49 AM
10/17/18 08:49 AM
Joined: Nov 2006
Posts: 20,300
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,300
MA, Mittelfranken.de
I tried the Amsoil stuff out of curiosity and sorry to say that while Amsoil makes some really great products this one misses the mark by a barn door.
I have no problem trying product on engines that need it because of neglect, as a maintenance product in an engine that has a regular (not extended) OCI I usually don't bother.

If an engine is known to be hard on the oil its best IMO to actually shorten the OCI to 3-4K to insure it doesn't start forming varnish and deposits, varnish for many engines is not just a cosmetic staining, it can and does cause finely fitted hydraulic components to stick and malfunction that can turn into very expensive repairs or even catastrophic failure down the road.


ASE L1, Master. Deutsch Meisterbrief.
Re: Your favorite motor flush [Re: jk_636] #4898532
10/17/18 09:00 AM
10/17/18 09:00 AM
Joined: Aug 2008
Posts: 20,415
ON, Canada eh?
StevieC Offline
StevieC  Offline
Joined: Aug 2008
Posts: 20,415
ON, Canada eh?
Trav,

I used it my MILs CRV before we moved her from yearly conventional changes to Amsoil yearly changes and it did remove junk from her engine and filled up the filter with globules of gunk afterward so it does work.


'18 Dodge Grand Caravan GT - AMSOIL SS 5w20
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF
Re: Your favorite motor flush [Re: jk_636] #4899178
10/18/18 02:15 AM
10/18/18 02:15 AM
Joined: Sep 2010
Posts: 2,063
GA.
ChrisD46 Offline
ChrisD46  Offline
Joined: Sep 2010
Posts: 2,063
GA.
Sea Foam : 1 oz. per qrt.. of vehicle oil crank case capacity then run for 100 ~ 300 miles max and changing oil when oil becomes darker .
Even a good oil can leave deposits , so no harm in using Sea Foam as directed just before an oil change every 25K miles or so ...


2017 Hyundai Sonata 2.4L GDI 4 cylinder
2010 Hyundai Elantra 2.0L 4 cylinder
2007 Kia Sedona 3.8L 6 cylinder
Re: Your favorite motor flush [Re: StevieC] #4899232
10/18/18 05:10 AM
10/18/18 05:10 AM
Joined: Nov 2006
Posts: 20,300
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,300
MA, Mittelfranken.de
Originally Posted by StevieC
Trav,

I used it my MILs CRV before we moved her from yearly conventional changes to Amsoil yearly changes and it did remove junk from her engine and filled up the filter with globules of gunk afterward so it does work.


I can only call it as I see it. These types of flushes be it from Amsoil, Lubeguard, etc are among the least effective I have come across. Starting out with a new vehicle with today's engine oils you should never need to use a flush,


ASE L1, Master. Deutsch Meisterbrief.
Re: Your favorite motor flush [Re: jk_636] #4899270
10/18/18 06:37 AM
10/18/18 06:37 AM
Joined: Oct 2012
Posts: 4,825
Taiwan
Ducked Offline
Ducked  Offline
Joined: Oct 2012
Posts: 4,825
Taiwan
Not at all conclusive, but I had some sheets of hard varnish under the valve gear before the current fill (which has been in about 6 years) and they seem to have gone.

Pictures

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4884848/1

Roughly 1:1 mix of CPC SAE 40 and Mobil MX 15W40. I'm pretty sure the CPC will be group 1, dunno about the Delvac (I think I've seen Mobil quoted as describing it as a "quality conventional oil") but I'd imagine it'll be pretty high in detergent. Perhaps a happy combination?

Last edited by Ducked; 10/18/18 06:38 AM.
Re: Your favorite motor flush [Re: jk_636] #4899418
10/18/18 09:46 AM
10/18/18 09:46 AM
Joined: Mar 2006
Posts: 2,284
Colorado
sw99 Offline
sw99  Offline
Joined: Mar 2006
Posts: 2,284
Colorado
I do a summer run of HDEO 10w30 and 20% MMO. .


2016 Nissan Versa S 1.6L
2018 Subaru Outback 2.5i
2018 Ford F350 6.2L

Re: Your favorite motor flush [Re: jk_636] #4900558
10/19/18 05:49 PM
10/19/18 05:49 PM
Joined: Apr 2009
Posts: 99
Florida
gotnogunk Offline
gotnogunk  Offline
Joined: Apr 2009
Posts: 99
Florida
New motor, take care of it, no flush needed. Old Motor ??? ATF.

Re: Your favorite motor flush [Re: gotnogunk] #4900645
10/19/18 07:40 PM
10/19/18 07:40 PM
Joined: Dec 2005
Posts: 10,157
Upper Midwest
kschachn Offline
kschachn  Offline
Joined: Dec 2005
Posts: 10,157
Upper Midwest
Originally Posted by gotnogunk
New motor, take care of it, no flush needed. Old Motor ??? ATF.

What does ATF do?


1994 BMW 530i, 234K
1996 Honda Accord, 264K
1999 Toyota Sienna, 404K
2000 Toyota ECHO, 279K
Re: Your favorite motor flush [Re: kschachn] #4900740
10/19/18 09:23 PM
10/19/18 09:23 PM
Joined: Jul 2005
Posts: 30,769
NY
demarpaint Offline
demarpaint  Offline
Joined: Jul 2005
Posts: 30,769
NY
Originally Posted by kschachn
Originally Posted by gotnogunk
New motor, take care of it, no flush needed. Old Motor ??? ATF.

What does ATF do?


It helps to operate an automatic transmission........... I think................ wink


God Bless Our Troops

Re: Your favorite motor flush [Re: jk_636] #4900782
10/19/18 11:08 PM
10/19/18 11:08 PM
Joined: Mar 2008
Posts: 1,318
Arizona
AzFireGuy79 Offline
AzFireGuy79  Offline
Joined: Mar 2008
Posts: 1,318
Arizona
BG EPR flush has worked very well for me in several neglected engines. Very effective in cleaning rings

Re: Your favorite motor flush [Re: jk_636] #4908780
10/28/18 08:17 PM
10/28/18 08:17 PM
Joined: Oct 2018
Posts: 4
Washington
CEFox Offline
CEFox  Offline
Joined: Oct 2018
Posts: 4
Washington
I've always substituted a quart of ATF at every change, use Pennzoil and the largest Wix filter that will fit. That's how my.Dad always did it, worked.well.for.him.
Engines always stay clean and I never have noisy lifters.

Re: Your favorite motor flush [Re: CEFox] #4908911
10/29/18 04:00 AM
10/29/18 04:00 AM
Joined: Dec 2009
Posts: 25,858
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 25,858
Regina, Saskatchewan, Canada
Except that ATFs don't have any useful levels of anything useful for cleaning the insides of an internal combustion engine....


Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515
Re: Your favorite motor flush [Re: CEFox] #4909165
10/29/18 09:51 AM
10/29/18 09:51 AM
Joined: Jul 2005
Posts: 9,457
Maricopa, AZ
dave1251 Offline
dave1251  Offline
Joined: Jul 2005
Posts: 9,457
Maricopa, AZ
Originally Posted by CEFox
I've always substituted a quart of ATF at every change, use Pennzoil and the largest Wix filter that will fit. That's how my.Dad always did it, worked.well.for.him.
Engines always stay clean and I never have noisy lifters.



Hmmm. What a worthless post.


make the inside of your engine oil cap white.
don't use.
Re: Your favorite motor flush [Re: jk_636] #4909167
10/29/18 09:53 AM
10/29/18 09:53 AM
Joined: Jul 2005
Posts: 9,457
Maricopa, AZ
dave1251 Offline
dave1251  Offline
Joined: Jul 2005
Posts: 9,457
Maricopa, AZ
My favorite flush is change the oil at a rate which does not allow deposits to form.


make the inside of your engine oil cap white.
don't use.
Re: Your favorite motor flush [Re: jk_636] #4909185
10/29/18 10:09 AM
10/29/18 10:09 AM
Joined: Feb 2011
Posts: 6,732
Hudson, NH
LeakySeals Offline
LeakySeals  Offline
Joined: Feb 2011
Posts: 6,732
Hudson, NH
I took the top off my 6.0 Lq9 for knock sensor repair last year. Oil used is Mobil 1 5w30 for the last 100k. Its so clean you can see the factory writing on the block. So agree with others that say a good quality syn is all you need to keep the engine spotless.

20160513_1414061.jpg

06 Escalade 6.0L LQ9 AWD 165k M1 5w30
03 Maxima 3.5L POS 152k ST HM 10w30
Re: Your favorite motor flush [Re: jk_636] #4920039
11/10/18 10:14 AM
11/10/18 10:14 AM
Joined: Feb 2014
Posts: 2,352
Kansan,1911 45ACP fan
Marco620 Offline
Marco620  Offline
Joined: Feb 2014
Posts: 2,352
Kansan,1911 45ACP fan
If good synthetic oil is used you don't really need it. I think lubegard biotech in conjunction with their white bottle flush would work. I use archoil 9K series and it does a nice job in my mom's car as Lexus uses synblend and I have seen improvements in fill hole. If everyone ran a full synthetic oil, changed it on time or within reason, used a respectable quality oil filter and drove it enough to get it up to operating temperature on a regular basis then all cars should look like Leaky Seals picture posted above.

Last edited by Marco620; 11/10/18 10:14 AM.

15' Civic R18 194k.0w20 Redline/Archoil9200 (https://twitter.com/hodgetwins?lang=en)
https://www.youtube.com/watch?v=oGpG6FkdrwI (doberman lover)
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