Not always a great idea http://www.arboristsite.com/community/threads/this-066-grenaded-what-the-hell-happened.247666/
Saw it. I always mixed @ 40:1 the this last tank went to 50:1 am going back to 40:1. Also use to use husky semi syn oil but either terry or bad said it leaves deooists he has seen so I will probably buy some belray that rant recommends. Prolly even mix some at 32:1 fortesting.
I think the 40:1 is just fine ............... I read a thread just today where MasterMind just "officially" changed his sig "32:1" to 40:1 .................... for what its worth.......
Been following that one since day one. I always did 44:1 but even made it a lil heavy. I run Castor 927. But will be making the switch to Bel Ray
Bel Ray huh? I'm just now finishing the last six-pack of some "ancient" regular stihl oil ................. purchased about 10 six packs of 12.8 oz ones eons ago when it was on sale once. I have been mixing at "50:1" all this time but using about 2.8 oz instead of 2.6 (have one of those little 3 oz ones with the clear graduated side panel I measure for gallons with). Guess that puts me at about 46.4:1 of regular stihl stuff the last 20 years.
Nothing at all wrong with the 927 or K2. I ran a few quarts of belray but had to get away from it this summer. It was making my sinuses hurt like I was getting sick and sneezing. Used some 927 and all was well. I've used some K2 and klotz R50 lately.
I've always run 50:1, runs great in my saws. Edit was going to try that amsoil then MM mentioned something to me about the dangers after the thread mentioned above on AS
Belray h1r is what mastermind recommends in his saws. Its a syn moto racing oil. Buys it off eBay. He mixes at 32:1 and said he has never seen a problem. His saws are way more extreme than the average guys farm boss from 1992!. There is extreme pressures in those things.
Here is the link to it Randy says this is the way he buys it and the same seller. http://pages.ebay.com/motors/link/?nav=item.view&id=360747576698
Yup, and while all my equip was stock, and I've run at least 20-25 gallons of it at somewhere between 80:1 and 100:1. No problems and certainly no catastrophic failures like that 066. I have been inside a couple of my engines running the Sabre Pro and have been pretty pleased with what I found, however....... I am officially back to 50:1 with Sabre Pro and will prob go even richer than that for anything that has more compression than stock. Randy's thread is the first legitimate and well documented case I have ever seen of a failure that could be attributed to the oil. (With the oil being Sabre Pro that is.) Good photos in that thread too. I would like to see the main bearings on that saw as well, if he ever posts more with it completely broke down. FWIW: There are a LOT of commercial landscapers running Saber Pro at 100:1 and not having issues. Of course, most of them are not running modified 066s either. But I'm not entirely comfortable knowing that I'm running right there on the edge of failure and oil is cheap.
We dont know if the oil really was mixed 80:1... one example doesnt make a trend and all that. 3oz of full synthetic per gallon works for me though
But you would think if a guy is into chainsaws enough to pay for his pro stihl 966 to get masterminded that he would know how to mix and know if his mix was 80:1
Curious as to why anyone would run a mix higher than 50:1 , (most new saw recommended mix ratio) . ? ? If running it in a high dollar $$ performance saw, or any saw, I'd want it to last. IMO the dryer the gas, the more friction, = less power. Not sure how ethanol effect friction. Friction = heat & wear Some EPA regulation I've not heard about? I think it was mentioned, going from 32: , to 40:1 to now, 50:1, (100:1 next) is EPA stuff * not performance stuff. (4 cycle chain saws coming soon? Like outboards & snow machines ) But why push it above 50:1 ? Like most here, I'm somewhere between 40 & 50 :1 & I rinse the bottles out with the gas that goes in the jug. After this thread, (& link) I'll probably go a solid 40:1
Just food for thought. OMC use to reccomend 100:1 on some new outboards in the 90s or 00s. I learned this on an outboard forum so it must be true. I have 2 boats and am an omc guy but not that up on it. They then backed down on that recommendation and back to 50:1 after some toasted top ends I think. The oil pump mixing motors, t a loss for their terminology now are mixing close to 100:1 at idle maybe even 150:1 but increase oiling at WOT. Many guys bypass this pump and put a regular fuel pump on and premix so they can control it. I have one ore mix boat and one oil injection. When I get tike and use that boat more when my boy gets biggeriI. Yanking the oil injection from it.wen they go out its to late!!
The outboard guys were pressed hard by the EPA to reduce the oil in the water (due to the thru the prop exhaust) Now many places are 4 cycle outboards only. Few here are 4 stroke only. Snow machines are 4 cycle only in McKinley & Yellowstone parks now. Probably more & more going that way. Engines are heavier, but not pumping out oil. Results = cleaner air & water. When they go to 4 stroke chain saws only, I hope they come with hydraulic assist Be heavy, like the saws 50 years ago.
You won't pry my 2 stroke outboard out of my hands!! Or off my Hull! The old 150 GT is a fuel hog but simple and reliable! If I used it often I'd get a new ETec not a 4
And it really could have been a faulty bearing. Who knows? Sabre Pro @100:1 really isn't intended for ultra high performance applications. That's what Dominator is for.
