What oil is best? and what ratio?

[jake wells]

Lol. Why not?

because klotz belray and maxima don't belong in saws and weedeaters.

 

[bwalker]

The only valvoline two cycle oils I have seen are marine style oils, which includes "multi purpose" oils.

 

[bwalker]

guess i will start buying the cheapest i can get my hands on.

Citgo makes some first rate TCW3 and JASO FD CERTIFIED oils and sells them very reasonably

 

[huskihl]

Citgo makes some first rate TCW3 and JASO FD CERTIFIED oils and sells the very reasonably

$22/gal

 

[bwalker]

This piston came out of a bike running a castor blend and didn't seize despite heavy detonation damage. The exhaust was actually painted with molten aluminum, yet it only died when it lost compression.

Oil was Klotz Super Techniplate and the bike was a full Tom Morgan race cr -500. The cylinder didn't look bad at all save the two vertical grooves above the exhaust port.

 

[bwalker]

$22/gal
View attachment 22602

I have ran cases and cases of that stuff through ski do 800 twins. Those engines where known for cooking rings. I beat the snot out of mine and the rings never failed. My machine came from the factory with an oil injection pump running around 20:1. This is was more than normal consumption, but I left it as is due to the ring issue. The extra oil appeared to help me.

 

[huskihl]

I have ran cases and cases of that stuff through ski do 800 twins. Those engines where known for cooking rings. I beat the snot out of mine and the rings never failed. My machine came from the factory with an oil injection pump running around 20:1. This is was more than normal consumption, but I left it as is due to the ring issue. The extra oil appeared to help me.

And after about 5k miles the cable stretches enough so that is still getting 50:1

 

[bwalker]

And after about 5k miles the cable stretches enough so that is still getting 50:1

I sold it after 7500 miles and it drank oil down like no other right to the end. Never fouled a plug or an exhaust valve in that te either. Given skiing doo's MPEM sytem the plugs came our looking really light, like over creamed coffee.

 

[huskihl]

Had an mxz 600. Really liked it. Sold it after 6 or 7 years. No problems with it either.

 

[bwalker]

I loved the 800 with the exception of the front bulk head being pretty easy to bend. I bent mine and replaced it with the part out of a 440 race sled. Problem solved.

 

[Crzybowhntr]

Yeah gear oil is rough stuff...

I despise it also. Only oil I won't handle without gloves on. Makes me naseous and gives me headaches. It's almost like the smell sticks to the inside of my nose, too.

 

[skidooguy]

I ran my 2000 ski doo 700 summit for 4500 miles on citgo and it hadn't ever missed a beat. I still run it in my 2008 but run redline in my turbo sled due to builder recommendation. Citgo used to make yamalube but don't know who makes it these days.

 

[sawmikaze]

Citgo makes some first rate TCW3 and JASO FD CERTIFIED oils and sells them very reasonably

Is that what supertech synthetic is ?

 

[bwalker]

Is that what supertech synthetic is ?

I have no idea if it's the same or not.

 

[Keith Gandy]

 

[Keith Gandy]

 

[paragonbuilder]

This piston came out of a bike running a castor blend and didn't seize despite heavy detonation damage. The exhaust was actually painted with molten aluminum, yet it only died when it lost compression.View attachment 22603

Oil was Klotz Super Techniplate and the bike was a full Tom Morgan race cr -500. The cylinder didn't look bad at all save the two vertical grooves above the exhaust port.

That is pretty impressive! I fail to see why I would not want protection like that in my chainsaws.

 

[bwalker]

Because your saw doesn't have a high enough compression ratio to detonate like that and you will live with the downsides of castor on a daily basis.

 

[paragonbuilder]

As far as why it's not good for use in a saw. It attracts moisture leading to corossion of internal parts, it burns very dirty, it's in general harder to turn, it seperate in temps below 40 degrees.

Because your saw doesn't have a high enough compression ratio to detonate like that and you will live with the downsides of castor on a daily basis.

I realize there aren't issues with detonation typically with chainsaws, I was thinking of if the saw developed an air leak it may save the cylinder.
If a saw is run often, is the moisture affinity going to be able to cause any real issues? I put my saws up with trufuel for long term storage.
How does it burning "dirty" hurt the saw, and what does "dirty" mean?
Harder to turn? Not as slippery? Engine has to work harder to spin?
The separation issue I get.

 

[Keith Gandy]

I realize there aren't issues with detonation typically with chainsaws, I was thinking of if the saw developed an air leak it may save the cylinder.
If a saw is run often, is the moisture affinity going to be able to cause any real issues? I put my saws up with trufuel for long term storage.
How does it burning "dirty" hurt the saw, and what does "dirty" mean?
Harder to turn? Not as slippery? Engine has to work harder to spin?
The separation issue I get.

Ring land contamination