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#3264767 - 01/30/14 11:06 AM Diesel oil to clean petrol engine?
Spetz Offline


Registered: 01/23/14
Posts: 109
Loc: Australia
I've heard of people saying to run diesel oil in a petrol engine to clean it out due to the extra cleaning properties in the diesel oil.

Is there truth to this?
Any disadvantages, or things to be careful of?
Recommended oils etc?

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#3264779 - 01/30/14 11:25 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
NHGUY Offline


Registered: 10/09/11
Posts: 3304
Loc: USA
Engine flushes are largely kerosene.

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#3264785 - 01/30/14 11:30 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
Eddie Offline


Registered: 12/07/03
Posts: 6658
Loc: Florida, Cape Coral
Not good for the cat converter because of increased zinc
_________________________
CX5 Touring 2.5L :-)

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#3264786 - 01/30/14 11:32 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
RobertISaar Offline


Registered: 08/21/12
Posts: 141
Loc: Camden, MI, USA
i've used kerosene to good effect before.

kerosene and diesel are so similar that i really wouldn't have a problem with either.

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#3264787 - 01/30/14 11:33 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
expat Offline


Registered: 05/12/09
Posts: 3795
Loc: Canada
Do you mean Diesel Fuel or Diesel Motor Oil?

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#3264792 - 01/30/14 11:39 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 8438
Loc: N.H, U.S.A.
Just a Quality LL synthetic will do the job. Better than 15w40 Fleet oil. STay away from Mg compound dps. Nasty residue.
_________________________
2014 Nissan Note S 5MT, OC#0 170mi-FACTORY 5W30+Nissan China Filter
2014 Forester 6MT 5Door, OC#0 540mi-FACTORY 0W20(?)+TokyoRoki 160 Filter

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#3264805 - 01/30/14 11:48 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
Spetz Offline


Registered: 01/23/14
Posts: 109
Loc: Australia
Actually I meant using oil designed to be used in diesel motors, not actual diesel fuel

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#3264817 - 01/30/14 11:56 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
expat Offline


Registered: 05/12/09
Posts: 3795
Loc: Canada
Most HDEO's are rated for Gas or Diesel
If you don't mind 10w-30 or 15w-40 there are some very good HDEO's available.

I have used Rotella in my Triumph for years, My Toyota 22R also gets it in the summer.

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#3264846 - 01/30/14 12:39 PM Re: Diesel oil to clean petrol engine? [Re: Spetz]
dparm Offline


Registered: 04/19/10
Posts: 12485
Loc: Chicago, IL
Many diesel oils carry API SL/SM certifications, meaning they are safe for use in gasoline motors. I'm not sure they would clean any better than gasoline oils though.
_________________________
2011.5 BMW M3 saloon ZCP
der stärkste buchstabe der welt
Castrol Edge Professional TWS 10w60 + Mahle OX 254D3

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#3264875 - 01/30/14 01:02 PM Re: Diesel oil to clean petrol engine? [Re: Spetz]
turtlevette Offline


Registered: 12/24/13
Posts: 685
Loc: Massachusetts
Originally Posted By: Spetz
Actually I meant using oil designed to be used in diesel motors, not actual diesel fuel


Yes, Diesel oils have more detergents and dispersants than gas engine oils. I'm using some M1 TDT I got cheap at AZ to clean up my old Trans Am engine. Run it until it gets dark, dump it, new filter then repeat.
_________________________
08 Mustang 4.0 GC
02 Suburban 5.3 M1 0w-30 AFE
75 Corvette Val 0W-20 syn
79 Trans Am M1 TDT
84 Suburban Castrol Edge Ti 5W-20 syn

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#3266551 - 02/01/14 07:28 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
fdcg27 Offline


Registered: 09/25/09
Posts: 9191
Loc: OH
Originally Posted By: Spetz
I've heard of people saying to run diesel oil in a petrol engine to clean it out due to the extra cleaning properties in the diesel oil.

Is there truth to this?
Any disadvantages, or things to be careful of?
Recommended oils etc?


There may be some merit to this idea.
HDEOs often have an add pack rich in magnesium which may be a more efficient detergent/dispersant than the caclcium which is usually the dominant detergency add in PCMOs.
Magnesium also incidentally gives better TBN retention than calcium.
If I were going to try this approach, I'd look at formulation and select an oil with plenty of magnesium and calcium to maximize the cleaning potential.
Still, unless an engine has been badly negelected or has suffered something like coolant leaking into the oil, there isn't usually much to clean up.
_________________________
12 Accord LX 22K HGMO 0W-20
09 Forester 64K PU 5W-30
02 Accord 127K G-Oil 5W-30
01 Focus ZX3 98K Synpower 10W-30
95 BMW 318iC 146K Defy 10W-40

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#3266702 - 02/01/14 10:21 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
jamesyarbrough Offline


Registered: 01/17/14
Posts: 295
Loc: Denison TX
http://www.pqiamerica.com/May%202013/consolidatedhdeo.html

http://www.pqiamerica.com/March2013PCMO/Marchsyntheticsallfinal.html




But doesn't the new M1 5w30 have a lot of magnesium? And so does the Castrol line of synthetics if I recall...
if this is true the need for HDEO is negated, especially since some of the popular versions like rotella only have calcium now



Edited by jamesyarbrough (02/01/14 10:27 AM)
_________________________
2006 F-150 M1 0w40 & Bosch
2004 Explorer M1HM 5w30 & Bosch
1986 Lincoln SA200 T6 5w40 & Wix

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#3267510 - 02/02/14 02:34 AM Re: Diesel oil to clean petrol engine? [Re: Eddie]
Shannow Offline


Registered: 12/12/02
Posts: 26336
Loc: a prison island
Originally Posted By: Eddie
Not good for the cat converter because of increased zinc


If they meet "S" specs, then this isn't true...40s are allowed to have higher zinc, as less reaches the cat convertor through reduced consumption.

If 1qt of 20 or 30 per 1,000 miles passing through the cat is OK (as per OEMs), then any normal car with normal oil consumption, HDMO additive levels are no issue at all.

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#3272109 - 02/06/14 05:56 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
ac_tc Offline


Registered: 05/06/08
Posts: 512
Loc: sweden
It works fine as cleaning oil...
It works fine as lubricating oil also...
And while it may not be the best for a catcon it wont killém either.
They have a tendency to turn black quickly if the engine isnt squeeky clean so dont change to soon.
_________________________
-98 Dodge Durango 5.9 4*4 HDEO 10w- 40 ci4
-04 PT Cruser GT 10w- 40 HDEO ci4
-Everything else HDEO 10w- 40 ci4/STOU 10w-30/THF

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#3272281 - 02/06/14 09:14 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
UG_Passat Offline


Registered: 05/27/08
Posts: 1005
Loc: NJ
I use HDEO anyway in my petrol engine.

have you considered AutoRX? It used to be the rage on this forums

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#3276753 - 02/10/14 08:54 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
yota4me Offline


Registered: 02/17/05
Posts: 218
Loc: USA
For me, running Amsoil synthetic ACD 10W-30/SAE 30 diesel oil had a a more noticeable visual cleaning effect than Auto-RX.
_________________________
Amsoil lubricants/filters, Auto-RX, LubeControl FP60/LC20
FOX NEWS CHANNEL---what the other networks don’t want you to know

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#3276778 - 02/10/14 09:17 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
bigjl Offline


Registered: 09/06/12
Posts: 1694
Loc: London, England
From what i can see all oil for many years in Europe has been for both petrol and diesel engines.

You do get stuff like Maxlife Diesel or Mobil 1 0w40 Turbo Diesel but that is still rated for petrol engines.

The only difference i have noted between Mobil 1 0w40 Turbo Diesel and Mobil 1 0w40 New Life is that TD isn't approved to Porsche A40
_________________________
06 Clio1.5DCi,129k 6kOCI Shell Extra 5w40
08 Pathfinder 2.5 Dci 122k 5kOCI Castrol Edge FST 5w30
12 Jaguar XJL 3.0 D Luxury 108k 8kOCI Mob 1 ESP 5w30

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#3277661 - 02/11/14 02:09 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
DS9 Offline


Registered: 07/10/13
Posts: 11
Loc: Belgrade, Serbia, Europe
UK Mobil

M1 Turbo Diesel 0W-40 - API CF
M1 New Life 0W-40 - API SN/SM/SL/SJ

***

USA Mobil

M1 0W-40 - API SN/SM/SL/SJ


Edited by DS9 (02/11/14 02:15 AM)

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#3278139 - 02/11/14 02:38 PM Re: Diesel oil to clean petrol engine? [Re: DS9]
Garak Offline


Registered: 12/05/09
Posts: 11181
Loc: Regina, Saskatchewan, Canada
The Canadian M1 0w-40 had the older CF rating until quite recently. Nonetheless, it's a very dated rating, and while there are a fair number of vehicles on the road that originally called for CF, those tend to be older Cummins and the like. Operators of those vehicles were using HDEOs all along and most never would have considered M1 0w-40 even as an option, given that it's not a traditional HDEO. Additionally, here it has to be bought in 1 L bottles, and that gets a little pricey with a 15 L sump.

I have no doubt that M1 0w-40 would still work in an older diesel engine calling for CF in a 40 grade (whereas plenty of current 10w-40 and 20w-50 PCMOs here might be questionable). It just would not be even remotely cost effective.
_________________________
Plain, simple Garak.

2008 Infiniti G37 coupe - Mobil Delvac 1 ESP 5w-40, Hastings LF113
1984 F-150 4.9L six - Quaker State GB 10w-30, Wix 51515

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#3278751 - 02/11/14 09:58 PM Re: Diesel oil to clean petrol engine? [Re: Spetz]
leroyd92 Offline


Registered: 01/21/14
Posts: 222
Loc: AZ
My uhaul mechanic was once an emissions tech, he said the go to way to totally clean out a motor that is neglected to no end was adding diesel fuel to the crank case for a short amount of time...

IM not going to tell what he did as a tech when a nasty varnished motor came in to prevent a fight on bitog.

He did however, buy an s10 with 24xxx miles on an oil change, the motor was disgusting on the inside. He drove it around with 3 quarts of 30wt and 2quarts of diesel for about 2000miles till the oil was black, he changed it out and ran the hdeo 1030 and the truck now has like 190k and it runs like a top... he claimed the hdeo didn't have much to clean afterwards, and the diesel was the go to thing for flushes.

The local autos teacher at my high school helped some of my friends do the ( 30 minute flushes )where you fill the crank case with diesel and let it run for a minute at a time. After 30 starts the fuel is black and the motor is spotless inside.

Many will disagree, I can only speak for what I've seen

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#3278773 - 02/11/14 10:12 PM Re: Diesel oil to clean petrol engine? [Re: leroyd92]
Garak Offline


Registered: 12/05/09
Posts: 11181
Loc: Regina, Saskatchewan, Canada
One can accomplish a lot of one is willing to take the risk. wink
_________________________
Plain, simple Garak.

2008 Infiniti G37 coupe - Mobil Delvac 1 ESP 5w-40, Hastings LF113
1984 F-150 4.9L six - Quaker State GB 10w-30, Wix 51515

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#3278920 - 02/12/14 04:52 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
Shannow Offline


Registered: 12/12/02
Posts: 26336
Loc: a prison island
My first car I did the whole desludge with kerosene (and it WAS sludged), and all my cars through the late 80s got a litre of diesel for a while (like 10 mins) hot flush before a change. I've also made/added rapeseed ethyl ester to them.

We carry a bit more safety margin down this way 'though before we run out of hydrodynamics.

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#3278928 - 02/12/14 05:12 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
Shannow Offline


Registered: 12/12/02
Posts: 26336
Loc: a prison island
Wasn't skating as close to the wind as I thought back in the day...

http://www.bobistheoilguy.com/forums/ubbthreads.php/topics/3278925/Miscellaneous_viscosities

2cst for diesel at 100C makes a 20% blend with a 40/50 weight at idle before a change look positively reasonable.

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#3282472 - 02/14/14 10:21 PM Re: Diesel oil to clean petrol engine? [Re: leroyd92]
bigjl Offline


Registered: 09/06/12
Posts: 1694
Loc: London, England
Originally Posted By: leroyd92
My uhaul mechanic was once an emissions tech, he said the go to way to totally clean out a motor that is neglected to no end was adding diesel fuel to the crank case for a short amount of time...

IM not going to tell what he did as a tech when a nasty varnished motor came in to prevent a fight on bitog.

He did however, buy an s10 with 24xxx miles on an oil change, the motor was disgusting on the inside. He drove it around with 3 quarts of 30wt and 2quarts of diesel for about 2000miles till the oil was black, he changed it out and ran the hdeo 1030 and the truck now has like 190k and it runs like a top... he claimed the hdeo didn't have much to clean afterwards, and the diesel was the go to thing for flushes.

The local autos teacher at my high school helped some of my friends do the ( 30 minute flushes )where you fill the crank case with diesel and let it run for a minute at a time. After 30 starts the fuel is black and the motor is spotless inside.

Many will disagree, I can only speak for what I've seen


He must be extremely lucky

One of the consequences of failed regen in a dpf equipped diesel is diesel contamination of the engine oil.

Sometimes the oil takes on the appearance of black vaseline

Other times the lack of lubricity causes the engine to sieze.

I have seen engines with less than 10k on them, 6 months old, go bang and parts of the bottom end exit the block.

I also seen one engine that was suffering loss of power, when the engine was stripped the cam was showing tell tale signs of lack of lubrication and was pretty close to siezing in situ. That one needed a new cylinder head

If your vehicle needs to have a forced regen due to excessive soot loading in the dpf then an oil and oil filter change is standard practice to get rid of the diesel contaminated oil before it damages the engine.

I think this person might have been pulling your leg.
_________________________
06 Clio1.5DCi,129k 6kOCI Shell Extra 5w40
08 Pathfinder 2.5 Dci 122k 5kOCI Castrol Edge FST 5w30
12 Jaguar XJL 3.0 D Luxury 108k 8kOCI Mob 1 ESP 5w30

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#3294623 - 02/26/14 06:40 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
ac_tc Offline


Registered: 05/06/08
Posts: 512
Loc: sweden
Back in the seventies i had a friend who inheretid his
grandfathers volvo 142-73. His father was a timbertrucker entrepreneur who took care of this car including the rest of
his buisness equpment.
- He drained that little volvo of oil, filled it with 4 liters of diesel and let i idle for a minute.
Then he drained it and did the oilcahnge.

When i opened the engine it had run for 25 kmiles+ and had been maintained like this since new.
- it was the cleanest engine i´ve seen.( engines of this day usually looked like asphalted inside )
- it wasent worn in any unusal way. ( they usually needed new rodbearings a hone and rings, this one got new bearings and new pistons but not because of wear..)
Why was it opened...change of camshaft to a hotter one and milling of the head ( hi comp )

I dont say that running diesel/ kerosene clean ups are good but ive seen proof of keeping things clean this way, a sucsesful proof.
_________________________
-98 Dodge Durango 5.9 4*4 HDEO 10w- 40 ci4
-04 PT Cruser GT 10w- 40 HDEO ci4
-Everything else HDEO 10w- 40 ci4/STOU 10w-30/THF

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#3333995 - 04/05/14 10:12 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
Claud Offline


Registered: 02/11/14
Posts: 24
Loc: Margate England
Back in about 1980 I replaced the oil in my sisters sludged up 'A' series engined Austin 1300 with Shell Rotella truck diesel oil when I serviced it.
A few hundred miles later the oil filter was plugged, so I changed the filter again and refilled it with Rotella once more.
The fourth time I did this the Blocked filter light didn't come any more and the engine was super clean inside.
So based on that I say use diesel lubricating oil to clean out a gasoline engine that has had neglected oil maintenance, with the caveat that oil and engine technology has moved on lots since then.

Around the same time a friend complained his Perkins Diesel powered van oil light stayed on.
I undid the oil drain plug and NOTHING came out, after maybe an hour a plug of what looked like asphalt started to appear. I put the drain plug back in, added a couple of pints of diesel fuel to the oil and started the engine, the oil light went out so I let it idle for half an hour and tried draining the oil again. This time black goo poured out, so I changed the filter and put fresh quality oil in. I did this again at 500 mile intervals for three more changes, then went back to scheduled 3k mile oil and filter changes. The engine had done around 90k miles at this time, it was still running fine at 150+k when it dropped a valve seat which abruptly ended its life.

I have tried adding a little diesel fuel as an engine flush several time since then. however not on a later model catalytic converter equipped engines.

Roger.

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#3334026 - 04/05/14 11:05 AM Re: Diesel oil to clean petrol engine? [Re: DS9]
njohnson Offline


Registered: 05/30/07
Posts: 161
Loc: Indiana
Originally Posted By: DS9
UK Mobil

M1 Turbo Diesel 0W-40 - API CF
M1 New Life 0W-40 - API SN/SM/SL/SJ

***

USA Mobil

M1 0W-40 - API SN/SM/SL/SJ




Mobil says 0W-40 still can be used for diesels calling for CF.

http://www.mobil.com/USA-English/Lubes/PDS/GLXXENPVLMOMobil_1_0W-40.aspx


Regarding using diesel oil in gas engines, as already mention, most of the big names (Delvac, Delo, Rotella, etc.) carry dual ratings, so they can be used in engines calling for SL and SM. Mobil 1 5W-40 is now sporting SN as well.
The only diesel oil I have seen in person that says not to use it in a gas engine, is Motorcraft 15W-40 Diesel(I think the Motorcraft 10W-30 Diesel says it as well). I was in the oil aisle of Walmart, and I picked up a jug and read the back. It clearly states on it, Not for use in gasoline engine. No reason given. I thought that was interesting, given the fact that the diesel oils right next to it on the shelf (Delvac, Rotella, Delo) have the S gasoline specs.


Edited by njohnson (04/05/14 11:09 AM)

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#3334041 - 04/05/14 11:22 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
njohnson Offline


Registered: 05/30/07
Posts: 161
Loc: Indiana
Just went to Motorcraft's oil website. They say not to use the diesel oil in gas engines with cats.

"•Important note: Not for use in gasoline engines equipped with catalysts"

http://www.fordparts.com/Products/Chemicals-MotorOils.aspx


Edited by njohnson (04/05/14 11:23 AM)

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#3358540 - 05/01/14 09:41 AM Re: Diesel oil to clean petrol engine? [Re: njohnson]
UG_Passat Offline


Registered: 05/27/08
Posts: 1005
Loc: NJ
Originally Posted By: njohnson
Just went to Motorcraft's oil website. They say not to use the diesel oil in gas engines with cats.

"•Important note: Not for use in gasoline engines equipped with catalysts"

http://www.fordparts.com/Products/Chemicals-MotorOils.aspx


WHich is a contradiction

Quote:


Motorcraft® SAE 0W-30 Super All Season Synthetic Motor Oil

Usage
•Formulated for today’s low-emission, electronically controlled, normally aspirated and turbocharged diesel engines
•Particularly recommended for Power Stroke® applications
•Provides excellent performance in older-generation diesel engines
•Important note: Do not use in gasoline engines equipped with catalysts

Features
•High-quality synthetic oil for Ford diesel engines
•Meets American Petroleum Institute (API) Service Category CI-4/SM


If it's not suitable for gasoline engines with cats, then why did they get the API SM license approval?


Edited by UG_Passat (05/01/14 09:43 AM)

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#3358550 - 05/01/14 09:51 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
Geoff Offline


Registered: 05/16/04
Posts: 547
Loc: Austin, TX
I use Mobil1 Turbo Diesel Truck 5w-40 with great results. Not sure what the equivalent would be over there.

Our Land Rover 4.6 now has 125K mi and no issues with emissions tests. No startup noises compared with other oils. I recently switched our Chev Suburban 5.3 over to it as it started to use oil at 70K (common with the cylinder deactivation silliness). After 2 oil changes oil use has stopped, so I am assuming the rings have been cleaned up.
_________________________
2013 Chevy Camaro LS3/NPP
2008 Chevy Suburban
2004 Land Rover Discovery
2007 Supra 22V

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#3359500 - 05/02/14 05:03 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
supercity Offline


Registered: 06/12/12
Posts: 870
Loc: Melbourne, Australia
Mobil 1 0w40 has an ACEA A3/B4 rating so that makes it a very good light duty diesel engine oil. The fact it can meet CF these days is mostly irrelevant.


Edited by supercity (05/02/14 05:10 AM)

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#3360311 - 05/02/14 10:41 PM Re: Diesel oil to clean petrol engine? [Re: yota4me]
mene Offline


Registered: 02/18/12
Posts: 191
Loc: winter park, Fl.
Originally Posted By: yota4me
For me, running Amsoil synthetic ACD 10W-30/SAE 30 diesel oil had a a more noticeable visual cleaning effect than Auto-RX.


After 300K miles with M1 I tried ACD and it got the engine cleaner the first OCI and kept cleaning until the car was parked, just my personal experience so yes an HDEO will clean your gas engine.
_________________________
1984 Dodge Caravan. 461K miles (replaced by the 2000, body rusted badly)
2004 Chrysler Town & Country. 127K miles
2000 dodge caravan 2.4L 189K. miles

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#3360734 - 05/03/14 03:08 PM Re: Diesel oil to clean petrol engine? [Re: Spetz]
widman Offline


Registered: 05/27/02
Posts: 3046
Loc: Bolivia
Diesel formulations have about 50% more detergent, and one or two changes with it won't hurt the CAT.

But the AutoRx has solvents that will add cleaning power do dissolve what detergent alone can't.
_________________________
Richard's Car Restorations

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#3362109 - 05/05/14 05:05 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
bigjl Offline


Registered: 09/06/12
Posts: 1694
Loc: London, England
What about oils that are designed for both diesel and petrol engines, A3, B3, B4?

The only oils i have seen that you could consider diesel only are HDEO.
_________________________
06 Clio1.5DCi,129k 6kOCI Shell Extra 5w40
08 Pathfinder 2.5 Dci 122k 5kOCI Castrol Edge FST 5w30
12 Jaguar XJL 3.0 D Luxury 108k 8kOCI Mob 1 ESP 5w30

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#3362120 - 05/05/14 05:39 AM Re: Diesel oil to clean petrol engine? [Re: bigjl]
Garak Offline


Registered: 12/05/09
Posts: 11181
Loc: Regina, Saskatchewan, Canada
Usually, the E type oils can be used in a gasser, too. The big names here have ACEA E sequences, along with SM or SN for our gassers. Of course, they're heavier than what the North American manufacturers tend to call for, and they're all panicky about phosphorous. wink
_________________________
Plain, simple Garak.

2008 Infiniti G37 coupe - Mobil Delvac 1 ESP 5w-40, Hastings LF113
1984 F-150 4.9L six - Quaker State GB 10w-30, Wix 51515

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#3400354 - 06/18/14 07:29 AM Re: Diesel oil to clean petrol engine? [Re: expat]
jabezt_E46 Offline


Registered: 06/15/14
Posts: 3
Loc: Regina, Saskatchewan Canada
Your right buddy. specially if you are using CAT DEO ULS 0W-40 this is dual rated for gas and diesel engine.
I have been using Cat oil stuff in my car since i joined them six years ago and up to now i don't have any problem.


Edited by jabezt_E46 (06/18/14 07:30 AM)
_________________________
It's easy to fix boys and girls rather than repairing men and women.

-00 E46/CAT DEO ULS 0W-40
-98 EK/CAT DEO ULS 10W-30

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#3400357 - 06/18/14 07:37 AM Re: Diesel oil to clean petrol engine? [Re: expat]
jabezt_E46 Offline


Registered: 06/15/14
Posts: 3
Loc: Regina, Saskatchewan Canada
Originally Posted By: expat
Most HDEO's are rated for Gas or Diesel
If you don't mind 10w-30 or 15w-40 there are some very good HDEO's available.

I have used Rotella in my Triumph for years, My Toyota 22R also gets it in the summer.


Your right buddy. specially if you are using CAT DEO ULS 0W-40 This is dual rated for gasoline and diesel engine. I have been using this oil in my car since i joined them six years ago and up to now, i don't have any issue or problem.
_________________________
It's easy to fix boys and girls rather than repairing men and women.

-00 E46/CAT DEO ULS 0W-40
-98 EK/CAT DEO ULS 10W-30

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#3400463 - 06/18/14 10:18 AM Re: Diesel oil to clean petrol engine? [Re: Spetz]
yvon_la Offline


Registered: 05/20/14
Posts: 714
Loc: quebec canada
I dont know about diesel oil but we used to do that in the early 80 s but it was automatic transmission oil.not needed anymore (unless you have an old 70s 80s car .even then i would dismantle and clean manually.but yes we did that and it worked relativly good as a temporary measure
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Truck driver
Nissan versa note s 2014
Mechanicly inclined

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