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  1. #11
    Super Member clemsonfor's Avatar
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    Greenwood Co., SC
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    Yanmar YM2000

    Default Re: Beware of "pro-mix 2-cycle"

    Quote Originally Posted by UncleTad View Post
    Thanks Gary. This particular bottle of "Pro-Mix" Say's "Safely Replaces all mix ratios" 50:1 down to 16:1 uses the same mix.

    Say's "Mix a 2.6 Oz chamber of oil to one gallon of gasoline" "Use this ratio for 50:1, 40:1, 32:1, and 16:1 ratios"

    There is no chart on the side, nor are there any other instructions than the above mention. I included a picture of the bottle if you can read it. I would have preffered a chart with richer ratios than having a seized saw (twice)

    Tad
    well does your homelit run on 50:1

    i would not change the oil ratio on an old saw unless a manufacture said to
    YM2000. MF dirt scoop,4' Jbar bushhog,boompole, LMC 12-16 disk harrow, 4' Atlas boxblade (with rippers). 1980 chevy K10,1990 ford ranger 2wd (285K miles),1997 saturn SL2 (twin cam!!),2001Toyota Higlander
    1986 Cobia 177 sunskiff w/1981 Johnson 60 hp
    1991 Javalen 17ft w/same year 150 Johnson GT
    Troybuilt 4 cycle & Echo 2 stroke,cold natured(need carb rebuild),MS390 Stihl, Northern tool pressure washer, mixes water into the oil in the pump(now dead, motor on a tiller). 5000 watt generator.

  2. #12
    New Member
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    Dec 2010
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    9
    Tractor
    1976 JD Track loader

    Default Re: Beware of "pro-mix 2-cycle"

    Quote Originally Posted by clemsonfor View Post
    well does your homelit run on 50:1

    i would not change the oil ratio on an old saw unless a manufacture said to
    No. I believe it is 32:1 or 40:1. But either way according to the bottle you use the same mix for any of the ratios. I.E. 2.6 Oz of oil per gallon for 50:1, and 2.6 Oz of oil per gallon for 32:1. If it would have said 40:1 was 5 Oz instead of 2.6 Oz per gallon then I would have used that ratio, but it doesnt say that. It say's "Safely replaces all mix ratios" which means 2.6 Oz of oil per gallon regardless of the mix you want. Seems counter-intuitive but that's what the bottle say's.

    Although I did richen it up by almost twice just to be sure, and still had problems.

  3. #13
    Gold Member HiTechTed's Avatar
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    Aug 2010
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    296
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    Indiana
    Tractor
    Kubota L3400

    Default Re: Beware of "pro-mix 2-cycle"

    I won't be touching that crap. If I can't see a clear mix ratio on the container I'm moving on...

  4. #14
    Veteran Member
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    Central Kentucky
    Tractor
    Tractorless :(

    Default Re: Beware of "pro-mix 2-cycle"

    The thing about the old saws requiring lots of oil in the mix is a reflection of the quality of the oil at the time. I believe they just used straight 30wt. Comparing today's oil to oil from 1965 is apples and oranges. I'm running Mobil1 Racing 2T in my saws until I run out (they discontinued it a couple years ago, 3 quarts remaining) and then I will be switching to Stihl Ultra in the white bottle.

    My point is that if you use a good quality name brand oil, 50:1 should be good in any saw whether it's 30 days or 30 years old.

    Ian
    Everlast PowerArc200

  5. #15
    Silver Member daman1's Avatar
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    Bad Axe,MI

    Default Re: Beware of "pro-mix 2-cycle"

    Right years back they used 20-30w at around 16:1 ,,any way with todays quality name brand oil's 50:1 or more is no problem and the norm usually.

    my New STIHL MS 310 requires 89 octane with 50:1 mix,smokes very lightly very good emissions on these new saws.
    1975 FORD 4500 TLB(740/755)Industrial 201 ci Diesel 2236 original hrs.

  6. #16
    Super Star Member Diamondpilot's Avatar
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    Daleville, IN
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    Jinma 254/284 Ford 861 Powermaster at work

    Default Re: Beware of "pro-mix 2-cycle"

    The lean mixes are all for the emissions crap, aka tree huggers. Kind of funny talking about tree huggers while we are talking about cutting them down.

    Anyway, its all about emissions. For example, many water ways are outlawing 2 stroke engines on boats due to emissions. Same thing with outdoor power equipment. I would rather run a "THICKER" mix than a leaner mix. I will cause much less problems in the long run. Just throw a new $3 spark plug at it every season.

    Chris

  7. #17
    Super Member clemsonfor's Avatar
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    Greenwood Co., SC
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    Yanmar YM2000

    Default Re: Beware of "pro-mix 2-cycle"

    Another thing that some may not know. I say this cause i was reminded by the response i got as well as the guy who has a new MS310.

    Anyway i bought a new stihl MS 390 about 5 years ago, maybe 6. anyway when reading the manual, it says when useing stihl 2 cycle oil mix at 50:1. When useing any other oil mis at either 25:1 or double the oil. I gues they realize there is some crap out there. I dont do this personally, and i also dont buy stihl oil, the only time i use stihl is if i get some from my uncle. But i do go to lowes and buy the Huskvarna oil , proably the same place but i fugure that if it says husky on it it must meet some of their restrictions. I dont skimp on it, hey i only mix like 2.5 gallons a year for the saw anyway. And most of the time i mix it at 40:1 anyway just to have a little more in it.

    My old johnson outboards i mix at 40:1 as well, but usually use walmart oil, if i dont go to the dealer and get bulk oil out of their barrel for about $5/gallon less than i can buy a gallon of OMC oil at walmart.
    YM2000. MF dirt scoop,4' Jbar bushhog,boompole, LMC 12-16 disk harrow, 4' Atlas boxblade (with rippers). 1980 chevy K10,1990 ford ranger 2wd (285K miles),1997 saturn SL2 (twin cam!!),2001Toyota Higlander
    1986 Cobia 177 sunskiff w/1981 Johnson 60 hp
    1991 Javalen 17ft w/same year 150 Johnson GT
    Troybuilt 4 cycle & Echo 2 stroke,cold natured(need carb rebuild),MS390 Stihl, Northern tool pressure washer, mixes water into the oil in the pump(now dead, motor on a tiller). 5000 watt generator.

  8. #18
    Super Member Gary Fowler's Avatar
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    Bismarck Arkansas
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    2009 Kubota RTV 900, 2009 Kubota B26 TLB & 2010 model LS P7010

    Default Re: Beware of "pro-mix 2-cycle"

    According to my Japanese calculator 2.56 ounces of oil in one gallon = 50 to one ratio. Any thing requiring higher than that will be running too lean on the oil. By the way that bottle doesnt look like the Promix bottles that I buy from Wally World, but it appears to be a multi-gallon bottle. I think the ones I buy are around the size for 50 to one because that was what my old leaf blower used per gallon and it worked fine. I too can remember when the 2 cycles used straight 30W non detergent oil and other than fouling the plugs fairly quickly that worked pretty well. In 15years, no make that 20 because I got it in 1990, I never even changed the plug in that old leave blower and all it ever got was a bottle of Walmart special per gallon. Always left fuel in the tank and it never had a carb rebuilt either. On reflection, Maybe I should have paid to have all the hoses and primer pump replaced on that thing rather than buying a new one.
    2010 LS P-7010C 20F/20R gear tractor & FEL, 2009 Kubota B 26 TLB, RTV 900 Kubota,17 foot Lund boat with 70HP motor, 2012-20 ft 12k GVW trailer, 2011- 52" Craftsman ZTR mower, 2013 Ferris Zero Turn, 3 weed whackers, pressure washer, leaf blowers, 7 foot bush hog, 8 foot landscape rake , 8 foot 3 PH disc, 2 row cultivator, 350 amp Miller AC/DC welding machine and all the tools needed to keep them all repaired and running.

  9. #19
    Elite Member zzvyb6's Avatar
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    michigan
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    jd 1070

    Default Re: Beware of "pro-mix 2-cycle"

    My XL and Super2 owners manual states that its 16:1 ("8 oz. oil to 1 gal of gas regardless of the ratio given by the manufacturer of the oil". Page 16).

    No "gasohol" either.
    There is no "I" in team, but there is a "Me" if you want to jumble it up a bit...

  10. #20
    Super Member schmism's Avatar
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    Peoria IL
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    New holland TC(33)

    Default Re: Beware of "pro-mix 2-cycle"

    you do relize that the ratio is oz of fuel to oz of oil.

    so 50:1 is 50 oz of gas to 1 oz of oil

    same is true for 40:1 32:1 or gasp 16:1

    so for a 1 gallon mix

    2.6 oz oil for 50:1
    4 oz for 32:1
    4.3 oz for 30:1
    5.2 oz for 25:1
    8 oz for 16:1

    i take 2cycle oil and mix the number of oz i need to the fuel i have per the actual proportion (aka 32:1) F what the d@mn bottle says. EPA will not be responsible for killing my "good" old 2cycle equipment (although thats exactly what they are trying to do to get them out of service)
    Steve - TC33D 4x4 FEL, dual rear remotes with toys

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