What oil is best? and what ratio?

[Keith Gandy]

Does this include Dominator or only Saber?

Ive only used Saber

 

[porsche965]

Why would anyone use Saber under 50:1?

 

[RI Chevy]

36:1 is much more betterer. Lol

 

[mdavlee]

I’ve seen 650* plus on cylinder fins on a saw after a milling cut. That’s the highest temp stick I had available to check it with and it melted instantly to liquid.

If I had time and a helper I’d consider torture testing some saws at higher ratios. The results would be skewed unless you clean the oil out of the case from running 20-32:1. Some 880s have died at 50:1 in short order from new milling so I wouldn’t expect some to last more than a cut at 100:1. An 8-10’ long cut with a 70cc saw in 18” wide wood takes about 45-60 seconds a foot to cut.

 

[porsche965]

Seems like milling is the exception to what most chainsaws are used for. And supportive of exceptional temperatures.

 

[junkman]

I have about 40 hrs on a 660 milling at 50 to 1 with saber ,piston is damp every so often when i check and muffler is dry ,its in the tuning when milling ,tuned at 12800 and seems fine,keep the chain sharp ,a dull chain will kill a saw before oil mix will.

 

[porsche965]

Junkman, that's alot of milling. And totally agree on finding a good tune.

 

[homeheater]

What we need is someone with a mill to conduct the same type testing I'm doing on cheap saws at lean ratios and post the results so we have that "side by side" comparison. I've never done this before so all the results are surprising and fascinating to me. Any takers on the trashing 6-10 saws on their mill for the good of the collective? I'm very interested in seeing the differences between oil performance in a heavily loaded saw vs what I'm doing. 9 hrs each ratio is kinda the base line. Bigger engines use more fuel so I'd think you will have to go hours to hours not gallon to gallon. Just a thought. Carry on gents. Enjoy your day.

Since I like saws I would have to unsubscribe to this if it was to change to trying to trash some.

 

[mdavlee]

Since I like saws I would have to unsubscribe to this if it was to change to trying to trash some.

Meh. As long as it’s not collectible older saws it’s just a bunch of garden and forestry tools[emoji2371]

 

[Ron660]

It’s pretty simple. Saws usually run at hotter temperatures and higher rpms. Loading a weedwacker is actually being easier on it than running it with no string. It will just carbon up faster. No string is like running a dull chain on a chainsaw. Speaking from experience here watching idiots blow up a weedwacker on a landscaping crew with 1” string sticking out. Lol

Plus a lot more HP - rpms & torque. Same as a chainsaw can't duplicate the stress on oil, less HP, like a dirt bike.

 

[huskihl]

Plus a lot more HP - rpms & torque. Same as a chainsaw can't duplicate the stress on oil, less HP, like a dirt bike.

Yet an 8hp motor uses similar oil to an 800hp motor. Heat is still heat

 

[Keith Gandy]

Yet an 8hp motor uses similar oil to an 800hp motor. Heat is still heat

Does a piston/cylinder in a dirtbike vs a weedeater require different temperatures to produce galling? Im not sure?

 

[RI Chevy]

How about a stock saw vs a ported saw? Do they require different oiling requirements?

 

[sawmikaze]

How about a stock saw vs a ported saw? Do they require different oiling requirements?

I have a ported ms 362 thats been ran 3-5 days a week (weather depending) for 15-16 months on 50:1 and it's alive and well.

 

[sawmikaze]

I’ve seen 650* plus on cylinder fins on a saw after a milling cut. That’s the highest temp stick I had available to check it with and it melted instantly to liquid.

If I had time and a helper I’d consider torture testing some saws at higher ratios. The results would be skewed unless you clean the oil out of the case from running 20-32:1. Some 880s have died at 50:1 in short order from new milling so I wouldn’t expect some to last more than a cut at 100:1. An 8-10’ long cut with a 70cc saw in 18” wide wood takes about 45-60 seconds a foot to cut.

Would 50:1 have killed them if the muffler was breathing and they had a good tune ? Idk ?

 

[huskihl]

Does a piston/cylinder in a dirtbike vs a weedeater require different temperatures to produce galling? Im not sure?

I wouldn’t think so. Aluminum needs to melt either way.

It doesn’t really matter anyway. I’m sure he never said he was trying to find out what the best chainsaw oil is. All Eggshooter wanted to do was find out which one could run the leanest on a Weedwhacker

 

[RI Chevy]

Good deal Ryan. [emoji106]
I just posed the question. I run saws, I don't fix them. Thus me asking.

 

[sawmikaze]

Good deal Ryan. [emoji106]
I just posed the question. I run saws, I don't fix them. Thus me asking.

I wouldn't say I'm a great saw mechanic either..but I know for a FACT that 50:1 doesn't kill chainsaws like some people say it does.

 

[RI Chevy]

Yes sir. Very true. More tune than anything. [emoji106]
40:1 is a little more forgiving. 36:1 is overkill.

 

[sawmikaze]

Yes sir. Very true. More tune than anything. [emoji106]

And chain..and operator..and fuel..air filters..