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Using Mixed 2 Cycle Oil in Everything #4777363
06/04/18 02:38 PM
06/04/18 02:38 PM
Joined: Sep 2002
Posts: 2,548
VA
Gebo Offline OP
Gebo  Offline OP

Joined: Sep 2002
Posts: 2,548
VA
I just left a lawnmower shop that has been around for 20 years. The owner told me he uses mixed 2 cycle oil in ALL his equipment. His 4 cycle mowers as well. I was shocked but he said if you mix it at 50:1 you will have no problems and it will actually lubricate the cylinder and will absolutely not foul the plugs. IS this guy correct? He said it saves the hassle of different tanks of fuel and eliminates any error when filling up any of the tanks. Plus he said the 2 cycle oil he uses already has Stabil in it so that eliminates that separate addition of another ingredient.

Is he nuts?


'98 LEX LS400 290K
'02 4Runner 230K
'05 Lex LS430 85K
'07 Lex GX470 65K
Amsoil in last two.
Schaeffer in the first two.

Re: Using Mixed 2 Cycle Oil in Everything [Re: Gebo] #4777372
06/04/18 02:47 PM
06/04/18 02:47 PM
Joined: Apr 2008
Posts: 13,146
Central NY
Miller88 Offline
Miller88  Offline

Joined: Apr 2008
Posts: 13,146
Central NY
Well, 2 cycle engines can run it pretty successfully without fouling the plugs. Usually.

I'm not sure I would do it, though.


18 Forester 2.5I 6M
00 Jeep XJ
01 F-350 4x4 5M
Re: Using Mixed 2 Cycle Oil in Everything [Re: Gebo] #4777385
06/04/18 02:57 PM
06/04/18 02:57 PM
Joined: Apr 2009
Posts: 264
Reno, Nevada
Langanobob Offline
Langanobob  Offline

Joined: Apr 2009
Posts: 264
Reno, Nevada
I dont do it religiously, just when its convenient. Plus, and this is a big one around here, if you keep only one can of gasoline around and its pre-mixed, it completely eliminates the chance that wife, neighbors, kids, will pour unmixed gasoline into a two stroke engine.

Re: Using Mixed 2 Cycle Oil in Everything [Re: Langanobob] #4777435
06/04/18 03:43 PM
06/04/18 03:43 PM
Joined: Jan 2017
Posts: 2,361
VW Fanboy Island
maxdustington Offline
maxdustington  Offline

Joined: Jan 2017
Posts: 2,361
VW Fanboy Island
Originally Posted By: Langanobob
I dont do it religiously, just when its convenient. Plus, and this is a big one around here, if you keep only one can of gasoline around and its pre-mixed, it completely eliminates the chance that wife, neighbors, kids, will pour unmixed gasoline into a two stroke engine.


Good idea, if you have old outboard or something that has a high proportion of oil it might not prevent all the damage. If you used a good quality syn it might be lubricious enough.


I've noticed it not really making a difference, it does not seem to smoke excessively like you would think.


03 Jetta AWP/09A 205k kms
Edge 0W40 + Mann 719/30
Re: Using Mixed 2 Cycle Oil in Everything [Re: Gebo] #4777489
06/04/18 04:46 PM
06/04/18 04:46 PM
Joined: Jul 2014
Posts: 383
Ceciltucky Maryland
Oldtom Offline
Oldtom  Offline

Joined: Jul 2014
Posts: 383
Ceciltucky Maryland
The "Project Farm" guy on Youtube already did this. If I recall, there was carbon buildup in the cylinder head of the test engine. That said, I have used Amsoil Sabre mixed 50 to 1 in a lawn mower with no problems or plug fouling.

Re: Using Mixed 2 Cycle Oil in Everything [Re: Oldtom] #4777534
06/04/18 05:41 PM
06/04/18 05:41 PM
Joined: Oct 2012
Posts: 4,825
Taiwan
Ducked Offline
Ducked  Offline

Joined: Oct 2012
Posts: 4,825
Taiwan
Originally Posted By: Oldtom
The "Project Farm" guy on Youtube already did this. If I recall, there was carbon buildup in the cylinder head of the test engine. That said, I have used Amsoil Sabre mixed 50 to 1 in a lawn mower with no problems or plug fouling.


Can't have done. Not nearly stupid enough.

Re: Using Mixed 2 Cycle Oil in Everything [Re: Gebo] #4777578
06/04/18 06:23 PM
06/04/18 06:23 PM
Joined: Mar 2010
Posts: 654
NY
mx5miata Offline
mx5miata  Offline

Joined: Mar 2010
Posts: 654
NY
I wouldn't do this. I can see carbon build-up being an issue.


NAPA FULL SYNTHETIC 0w20 Partsplus oil filter
Wix air filter
Re: Using Mixed 2 Cycle Oil in Everything [Re: Gebo] #4777594
06/04/18 06:41 PM
06/04/18 06:41 PM
Joined: Sep 2013
Posts: 10,850
Indiana
dlundblad Offline
dlundblad  Offline

Joined: Sep 2013
Posts: 10,850
Indiana
I used a bunch of old 32:1 in a "curb find" mower that is used to mow brush, small sticks, forest floors etc. The throttle is generously wired open and it starts on the first pull most of the time.

Smoked quite a bit, but kept the mosquitoes down. Not sure if the plug fouled or not, but the mower is still used every month or so and this was 2 years ago.

I feel somewhat bad for it, but it was doomed from the day it was built. Has some funky deck that technically needs a bagger. I drilled some holes in the deck and wired/ zip tied a chute to the side so as a result, it's never mowed grass right.


03 Jeep WJ 4.0 202k Edge 10w40 HM Fram XG16
02 Volvo S60 2.4T 186k M1 0w40 Mahle OX149D
97 Chevy Blazer 4.3 153k Synpower 5w30 Supertech ST3980 (Ecore)

Re: Using Mixed 2 Cycle Oil in Everything [Re: Gebo] #4777676
06/04/18 07:49 PM
06/04/18 07:49 PM
Joined: Jan 2017
Posts: 422
NJ
JLawrence08648 Offline
JLawrence08648  Offline

Joined: Jan 2017
Posts: 422
NJ
There's no way oil can get to the upper cylinder above the rings for 4 cycle engines so I use 1 oz 2 cycle synthetic oil per gallon of gas. It provides some lubrication and no smoke.

Re: Using Mixed 2 Cycle Oil in Everything [Re: JLawrence08648] #4777688
06/04/18 08:02 PM
06/04/18 08:02 PM
Joined: Dec 2005
Posts: 10,721
Upper Midwest
kschachn Offline
kschachn  Offline

Joined: Dec 2005
Posts: 10,721
Upper Midwest
Originally Posted By: JLawrence08648
There's no way oil can get to the upper cylinder above the rings for 4 cycle engines so I use 1 oz 2 cycle synthetic oil per gallon of gas. It provides some lubrication and no smoke.

What exactly in the upper cylinder is not being lubricated that needs it?

How did I make it all the miles Ive done without that added lubrication?


1994 BMW 530i, 241K
1996 Honda Accord, 267K
1999 Toyota Sienna, 409K
2000 Toyota ECHO, 280K
Re: Using Mixed 2 Cycle Oil in Everything [Re: Gebo] #4777867
06/05/18 04:41 AM
06/05/18 04:41 AM
Joined: Jun 2011
Posts: 1,820
Crawfordville FL
SilverFusion2010 Offline
SilverFusion2010  Offline

Joined: Jun 2011
Posts: 1,820
Crawfordville FL
There are some guys that run TCW3 at low concentration, like an ounce per 5 gallons. No reported adverse results and some very clean piston tops. Barely any carbon.


2010 Ford Fusion SE 3.0L V6, 181 miles M1 HM 10w-30
Re: Using Mixed 2 Cycle Oil in Everything [Re: Gebo] #4781007
06/08/18 07:16 AM
06/08/18 07:16 AM
Joined: May 2014
Posts: 26
La Salle County, IL
Randy_R Offline
Randy_R  Offline

Joined: May 2014
Posts: 26
La Salle County, IL
I use whatever I have left in my snowblower. I dont think I want to run a mix other than that. Only thing I add is Stabil. By the way, last time I bought Stabil I noticed a change on the label. Used to say use half a dose in season meaning an ounce for every 5 gallons. I think they want to sell u Stabil Performance because thats the dose they recommend for that product. Anyone notice?


2018 Mazda CX-5 Mazda 3500 miles Total dealer bulk oil
08 Saturn VUE AWD 3.5 V6 60,000 miles M1 5W30 Wix 51522XP
65 Pontiac Tempest 355 Chevy Schaeffer Racing 10W30 Fram HP4
Re: Using Mixed 2 Cycle Oil in Everything [Re: Randy_R] #4781534
06/08/18 04:50 PM
06/08/18 04:50 PM
Joined: Oct 2015
Posts: 308
North Carolina
OilFilters Offline
OilFilters  Offline

Joined: Oct 2015
Posts: 308
North Carolina
I don't know about a full 50:1 mix but I make sure to use 2 cycle oil in everything from my Jeep to a generator. The Jeep gets a pretty healthy dose, and small engines get more, but I don't often measure it. Never noticed any problems or excess carbon buildup or even much smoke. I remove the head on my small engines to clean out the carbon rather frequently, there is never any huge amount.

If you use a lot of oil you should richen up the carb just a bit (if you can) because that oil is displacing gasoline, and results in your engine running slightly lean.

Re: Using Mixed 2 Cycle Oil in Everything [Re: Gebo] #4781555
06/08/18 05:20 PM
06/08/18 05:20 PM
Joined: May 2012
Posts: 1,406
Georgia
AVB Offline
AVB  Offline

Joined: May 2012
Posts: 1,406
Georgia
I don't do it regularly, but that is how I dispose of old premix that I don't want to run through my two strokes.

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