Husky xp oil worth the extra ££££ ??

[Stubby]

Can i just ask a question, weather your using a stihl or husqvarna oil, or any other make, what petrol are gents using, unleaded or super unleaded, or top dog shell v power and bp ultimate, i own chainsaws Husky, stihl x2, Jonsered, Komatsu, plus a KTM 450, and the boys GasGAS 200 Enduro bike, generally the better the petrol, better the machines go, just a though, personally i use stihl oil in all my chainsaws and super unleaded petrol, but i'm lucky ive got both BP and Shell close by so getting high octane is fairly easy, any comments welcome.

 

I thought high octane was not good for the "relatively " low comp small engines ?

[Joe Newton]

Husqvarna said no super unleaded, or such like.

 

 

Do you know why that is? I've just ran in a 550 with 4 litres of the stuff!

[Stubby]

Do you know why that is? I've just ran in a 550 with 4 litres of the stuff!

 

I think high octane fuel is harder to ignite in relatively low comp small engines . The higher the octane rating the more the fuel has to be compressed to ignite properly so in some instances ( small 2 stroke engines ) it actually wont run as well than it would with a lower octane rating . The most important thing is to get a fuel with the least amount of ethanol in it .

Edited February 20, 2015 by Stubby

[john andrews]

Ive been told that by using super unleaded or higher octane that the small engine runs cleaner and cooler, it 100% works on 2 stroke motocross and 4 stroke motocross bikes, i use it with my chainsaws and had no problems over the the last decade or so, only a personnel choice but it works for me.

[Eddy_t]

Oregon oil, so how many two stroke engines do Oregon make? how do they know what quaility of oil is needed for Husqvarna or Stihl machines? the manufacturers are best placed to say what oil is needed for there products.

 

 

If the oil is rated the same, it's the same quality! What josh is worrying about is if the Stihl hp super oil will be sufficient enough or if it will cause damage, and if the higher cost of husky XP oil is worth it. The answer is that the Stihl oil is sufficient (it's rated jaso fd, the same as XP oil), the XP oil is not worth double the cost. An engine seizure will always be attributed to the mix first, only with aspen (or motomix) can the mix be disregarded as the fault. This is especially the case with e-carbs where tuning is done to set parameters.

A good example of this would be where a poor quality oil has been used at 50:1, the saw would tune to match the rpm, even if it meant that the saw wasn't being lubricated enough. Another is amsoil at 60:1. The mixture would be too rich (too much petrol to air, so the saw would lean out to compensate, decreasing the amount of oil available to lubricate the engine.

[Mark_Skyland]

You could get away with cheap mineral oil on the older generation of saws but not on the autoune/mtronic stuff from what damage ive seen.

 

Plus ive had customers tell me their machines run better on the husky low smoke/stihl HP super and upwards oils.

 

If you dont want to pay the money for husky XP or stihl HP ultra then at least get the HP super or low smoke or something equivalent.

 

 

I notice some of the members on here use oils far superior to the husky and stihl oils, I bet they can tell the difference if they go back to a cheap oil.

[Stubby]

Ive been told that by using super unleaded or higher octane that the small engine runs cleaner and cooler, it 100% works on 2 stroke motocross and 4 stroke motocross bikes, i use it with my chainsaws and had no problems over the the last decade or so, only a personnel choice but it works for me.

 

Hi octane fuel will only combust properly if you have enough compression to do it . That may be the case in your competition bikes but it wont be in your saws unless you are running them with pop up pistons . It is a myth that hi ostane runs cleaner and cooler . Its a marketing thing . You look at the numbers on the pump and automatically think highest is bestist ! Buy for court pump fuel and not supermarket fuel to avoid as much ethanol as you can .

Edited February 20, 2015 by Stubby

[wyk]

I think high octane fuel is harder to ignite in relatively low comp small engines . The higher the octane rating the more the fuel has to be compressed to ignite properly so in some instances ( small 2 stroke engines ) it actually wont run as well than it would with a lower octane rating . The most important thing is to get a fuel with the least amount of ethanol in it .

 

High octane is different than oil quality. Any saw benefits from using quality oil. Few saws benefit from using high octane fuel. Higher octane prevents detonation. It does not in itself bring more efficiency, power, or cleaner burning to the table.

 

In my own tests, I had to bring the compression up in one of my saws(a Husky 444SE) to 245 psi, and then run it for several long cuts, before it started detonating. That is nearly 100 psi more than some saws come from the factory with. I brought the compression down to 225 psi and ran her on 94 Octane AKI( ~ 97 RON), and it won the PNW GTG competition for it's class.

 

I currently have an 044 pushing 210 psi and run it straight off pump fuel(95 RON). I have her apart right now and see no signs of detonation. And much of it was with significantly timing advance.

 

On AS, a friend of mine recently placed a stock 460 on the dyno and ran it on 92 octane AKI vs 100 AKI. Virtually no difference. The 100 octane was slightly lower in power(~.15 hp).

Edited February 20, 2015 by wyk

[Stubby]

High octane is different than oil quality. Any saw benefits from using quality oil. Few saws benefit from using high octane fuel. Higher octane prevents detonation. It does not in itself bring more efficiency, power, or cleaner burning to the table.

 

In my own tests, I had to bring the compression up in one of my saws(a Husky 444SE) to 245 psi, and then run it for several long cuts, before it started detonating. That is nearly 100 psi more than some saws come from the factory with. I brought the compression down to 225 psi and ran her on 94 Octane AKI( ~ 97 RON), and it won the PNW GTG competition for it's class.

 

I currently have an 044 pushing 210 psi and run it straight off pump fuel(95 RON). I have her apart right now and see no signs of detonation. And much of it was with significantly timing advance.

 

On AS, a friend of mine recently placed a stock 460 on the dyno and ran it on 92 octane AKI vs 100 AKI. Virtually no difference. The 100 octane was slightly lower in power(~.12 hp).

 

Thanks Wes . Backs up what I said .

[john andrews]

I feel for the gents that are running a number of saws to make a living, but i always refer back to the old saying buy cheap, buy twice, for me its stihl oil and super unleaded, or by the way no supermarket petrol, (sorry probably going to get in trouble for that one). may be old schoolish way (sorry) but it works, does all this LS, XP, etc double the price really work? im no engineer so only time will tell hey.