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Sludge removers...... worth the effort? #4475967
07/31/17 08:21 PM
07/31/17 08:21 PM
Joined: Dec 2016
Posts: 9
Lincoln, NE
kafka45 Offline OP
kafka45  Offline OP
Joined: Dec 2016
Posts: 9
Lincoln, NE
Ok.. I've recently obtained a 1989 Dodge Dakota (V6).. 108000 miles. So it obviously has been sitting around a LOT.
I did all the usual.. changed plugs.. wires..etc. Now I changed the oil with Mobil 1 and was wondering, for the next change should I use
a sludge removal additive like EPR engine performance restoration, or something similar to "clean" out the engine? Its running ok for now, so
leave it be or try to "improve" things. If it can't hurt I'll try it... if it could make trouble... not worth it.
by all means suggest a product that might improve engine interior if there IS such a thing.

thanks...


Timing is EVERYTHING.
Re: Sludge removers...... worth the effort? [Re: kafka45] #4475974
07/31/17 08:28 PM
07/31/17 08:28 PM
Joined: Feb 2013
Posts: 10,712
Phoenix, AZ
Nick1994 Offline
Nick1994  Offline
Joined: Feb 2013
Posts: 10,712
Phoenix, AZ
Does it look sludged under the oil fill cap?


2015 Hyundai Sonata 2.4L 84k Mobil 1 AFE 0w30 & OEM
2000 Toyota Camry 2.2L 230k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
Re: Sludge removers...... worth the effort? [Re: kafka45] #4475975
07/31/17 08:28 PM
07/31/17 08:28 PM
Joined: Apr 2017
Posts: 515
Fort Worth TX
TheKracken Offline
TheKracken  Offline
Joined: Apr 2017
Posts: 515
Fort Worth TX
I would run a few short oci intervals and then use a good flush like liquid molly or ravenols new flush...or amsoil


2011 Prius 96k miles RLI 5w20
97 Toy T100 4x4: amsoil 0w20 242k Miles
04 Toy Sienna awd: Pennzoil 0w20 281k Miles
Re: Sludge removers...... worth the effort? [Re: kafka45] #4475978
07/31/17 08:29 PM
07/31/17 08:29 PM
Joined: Jul 2009
Posts: 601
texas
danez_yoda Offline
danez_yoda  Offline
Joined: Jul 2009
Posts: 601
texas
You want to remove sludge if there is any slowly. Big gobs of sludge getting removed will plug passages and your filter.

I would say run a high detergent oil for a while and call it good.

Re: Sludge removers...... worth the effort? [Re: kafka45] #4475987
07/31/17 08:39 PM
07/31/17 08:39 PM
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline
Joined: Jun 2011
Posts: 1,755
Crawfordville FL
Best thing you can do is a few short oci with lots of highway miles. Hot oil cleans better.

You can use a flush if you want to, but it runs the risk of a big chunk plugging something and creating oil starvation. Even with just a short oci you may get a few chunks out the first change or two. It just depends


2010 Ford Fusion SE 3.0L V6, 178k miles M1 HM 10w-30
Re: Sludge removers...... worth the effort? [Re: kafka45] #4475990
07/31/17 08:41 PM
07/31/17 08:41 PM
Joined: Jan 2016
Posts: 802
NC
Vladiator Offline
Vladiator  Offline
Joined: Jan 2016
Posts: 802
NC
Get a quart of Marvel Mystery oil. Put 3/4 of the bottle in oil, and 1/4 of the bottle in gas and top off the gas tank. MMO will clean up the fuel system to improve performance, and will clean everything that the oil touches inside the engine.

Case on point - 2006 Pontiac Vibe AWD had severe oil consumption (1qt per 100 miles) and higher fuel consumption. After I used MMO in fuel and oil the car "woke up" a little. Oil consumption reduced from 1qt/100mi to 1qt/4000 miles. Fuel consumption went from 23mpg average to 27-28mpg average. MMO works. Good luck!!!

That car was a severe sludger btw. Pic below. But after MMO no "chunks" ever blocked the oil flow or anything. Performance improved drastically though.




2000 Lexus GS300-361k
1999 Lexus GS400-213k
2006 Toyota Camry-187k
2006 Toyota Highlander Hybrid-125k
2009 Scion xB-120k
2013 VW Tiguan-120k
2009 Toyota Tacoma-60k
Re: Sludge removers...... worth the effort? [Re: kafka45] #4475995
07/31/17 08:45 PM
07/31/17 08:45 PM
Joined: Mar 2017
Posts: 5,469
Soviet State of Washington
PimTac Online content
PimTac  Online Content
Joined: Mar 2017
Posts: 5,469
Soviet State of Washington
Verify that it's sludged first then run short intervals of a good cleaning conventional oil. No need to spend extra money for synthetic at this point. Chevron Supreme or Pennzoil yellow bottle will do the trick. Get it out on the highway and run it.


2017 Mazda CX-5 Grand Touring

Valvoline Advanced Synthetic 0w20
Mobil 1 M108A EP filter

Re: Sludge removers...... worth the effort? [Re: kafka45] #4475998
07/31/17 08:46 PM
07/31/17 08:46 PM
Joined: Jul 2017
Posts: 542
Texas (south)
FermeLaPorte Offline
FermeLaPorte  Offline
Joined: Jul 2017
Posts: 542
Texas (south)
popcorn


Always Mobil 1
2014 1.6L Nissan Versa Sedan, 5 spd, 5k OCI.
2011 3.5L Chevrolet Impala, Automatic, 5k OCI.
Re: Sludge removers...... worth the effort? [Re: kafka45] #4476010
07/31/17 08:58 PM
07/31/17 08:58 PM
Joined: Sep 2014
Posts: 2,099
US-WA
Dyusik Offline
Dyusik  Offline
Joined: Sep 2014
Posts: 2,099
US-WA
I always use HDEO for cleanup. Drain tar couple of oci and it's done. And the peace of mind with extra film thickness to keep the dislodged crud from causing issues.
That's just me.


95 Cherokee 190K DELO 10W30, XG8
07 IS250 100K Napa 10w30, FULL
04 YZF-R1 19K DELO 15w40, XG7317
99 HD XL1200S 20K VR1 20w50, NG1515
14 RX450h 33k PP MIX, NG7047
Re: Sludge removers...... worth the effort? [Re: kafka45] #4476044
07/31/17 09:35 PM
07/31/17 09:35 PM
Joined: Oct 2009
Posts: 3,947
Ohio
L_Sludger Offline
L_Sludger  Offline
Joined: Oct 2009
Posts: 3,947
Ohio
Originally Posted By: kafka45
Ok.. I've recently obtained a 1989 Dodge Dakota (V6).. 108000 miles. So it obviously has been sitting around a LOT.
I did all the usual.. changed plugs.. wires..etc. Now I changed the oil with Mobil 1 and was wondering, for the next change should I use
a sludge removal additive like EPR engine performance restoration, or something similar to "clean" out the engine? Its running ok for now, so
leave it be or try to "improve" things. If it can't hurt I'll try it... if it could make trouble... not worth it.
by all means suggest a product that might improve engine interior if there IS such a thing.

thanks...

Leave
It
ALONE


too many cars and oil combinations to list in 150 characters or less
Re: Sludge removers...... worth the effort? [Re: kafka45] #4476088
07/31/17 10:38 PM
07/31/17 10:38 PM
Joined: Sep 2010
Posts: 7,485
S California
OneEyeJack Offline
OneEyeJack  Offline
Joined: Sep 2010
Posts: 7,485
S California
Auto-RX. Follow instructions, be patient and the process will be safe with good results.

Re: Sludge removers...... worth the effort? [Re: kafka45] #4476097
07/31/17 10:46 PM
07/31/17 10:46 PM
Joined: Jun 2016
Posts: 2,999
MN
oil_film_movies Online content
oil_film_movies  Online Content
Joined: Jun 2016
Posts: 2,999
MN
Get some seal conditioners in there. These are very old seals. Liqui Moly Motor Oil Saver or STP High Mileage. Then use a High Mileage oil next time, like Valvoline MaxLife 5w30

Re: Sludge removers...... worth the effort? [Re: kafka45] #4476119
07/31/17 11:19 PM
07/31/17 11:19 PM
Joined: Jun 2006
Posts: 423
midland tx
askani79705 Offline
askani79705  Offline
Joined: Jun 2006
Posts: 423
midland tx
If it ain't broke. Sounds like you've already made a good choice. I wouldn't use a additive, just regular OCIs with a good oil.


2017 Ford F150 NAPA syn 5w30 Fram 11955.
2000 Chevy 2500 Silverado PYB 5w30 AC Delco Filter
Re: Sludge removers...... worth the effort? [Re: L_Sludger] #4476120
07/31/17 11:19 PM
07/31/17 11:19 PM
Joined: Apr 2005
Posts: 357
CT
CrAlt Offline
CrAlt  Offline
Joined: Apr 2005
Posts: 357
CT
I vote leave it alone.
A little sludge never hurt nothing.
A clogged filter or pickup will hurt something.

Just run short OCI's with a higher detergent oil like others suggested. IF there is any sludge that will clean it out slowly and safely.


'16 Wrangler JK PYB 5w20 / MO 349
'77 Corvette JG HR2 10w30 / AC PF454
'83 Trans-Am JG HR2 10w30 / AC PF454
'91 Dodge D150 QSGB 10w40 / AC PF13
Re: Sludge removers...... worth the effort? [Re: Vladiator] #4476131
07/31/17 11:55 PM
07/31/17 11:55 PM
Joined: Dec 2013
Posts: 780
Illinois, USA
Triton_330 Offline
Triton_330  Offline
Joined: Dec 2013
Posts: 780
Illinois, USA
Originally Posted By: Vlad_the_Russian
Get a quart of Marvel Mystery oil. Put 3/4 of the bottle in oil, and 1/4 of the bottle in gas and top off the gas tank. MMO will clean up the fuel system to improve performance, and will clean everything that the oil touches inside the engine.

This...

Or, you could get this: https://www.amazon.com/Mystery-50735-Classic-Ultimate-Treatment/dp/B072Q5Y4LP/

Pour the 16 oz. classic MMO into your oil, and pour the 12 oz. fuel treatment into your gas tank. (Also, I'd recommend a Wix filter).


2001 Ford F-150 XLT 4x4 5.4L V8 ~132k miles
-> PPHM 5w-20 w/Fram Ultra
1989 Chevrolet Camaro RS 5.0L TBI V8 ~48k miles
-> Milesyn SB 5w-30 w/Puro Boss
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