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  #1  
Old 08-01-2008, 11:18 PM
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1998tahoe 1998tahoe is offline
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Is Stihl Ultra oil GOOD

My dealer talked me into gettin the Stihl Ultra oil today when I got my NEW FS90. IS the oil that good. I always run the Stihl HP before.


Whats the difference???
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  #2  
Old 08-01-2008, 11:25 PM
AmsoilPower AmsoilPower is offline
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Quote:
Originally Posted by 1998tahoe View Post
My dealer talked me into gettin the Stihl Ultra oil today when I got my NEW FS90. IS the oil that good. I always run the Stihl HP before.


Whats the difference???
Stihl Ultra is only rated JASO FB while Amsoil is rated JASO FD. Check out my thread I have going regarding the two in comparson. The Amsoil prices are now incorrect due to a new pricing effective today, but you get the idea. Amsoil is still cheaper.

http://www.lawnsite.com/showthread.php?t=239907
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  #3  
Old 08-01-2008, 11:27 PM
eblankenship eblankenship is offline
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I hope to see a response to your question, I bought a BR600 today (for 429.00!!!) and my dealer to suggested I get the Stihl ultra grade. Whats up with two different oils??
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Old 08-01-2008, 11:33 PM
jsf343 jsf343 is offline
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others may know more on this subject, but here are my observations for what its worth.

1. it smokes much less
2. exhaust screen doesn't plug with the ultra oil
3. actually seems to run smoother and more consistent

I know it is only 3 observations but they are all big in my eyes and in my opinion makes it worth buying. Don't get me wrong the old oil isn't overly bad, I just see more benefits from the ultra.

Jeff
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  #5  
Old 08-01-2008, 11:34 PM
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Herrick Herrick is offline
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ultra (white bottle) is fully synthetic, while the other(black bottle) is only partially, and the orange bottle is regular dyno oil.
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  #6  
Old 08-01-2008, 11:34 PM
AmsoilPower AmsoilPower is offline
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Quote:
Originally Posted by eblankenship View Post
I hope to see a response to your question, I bought a BR600 today (for 429.00!!!) and my dealer to suggested I get the Stihl ultra grade. Whats up with two different oils??
The 4 mixes run a little cooler and don't quite burn a regular 2-cycle oil well enough to prevent carbon build. Add that to the fact that a regular 2-cycle oil (Stihl HP) is prone to carbon buildup over time spells trouble for the little valves in those 4 mixes. You want a 2-cycle oil that does not cause carbon buildup!!!!
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  #7  
Old 12-08-2008, 12:04 PM
jfme jfme is offline
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I found some interesting literature on the HP Ultra oil. Stihl did a 500 hour engine test and compare it to other oils (although it does not say what brand they are) The Hp Ultra seems to keep the engine internals pretty clean.

http://www.dhequipment.com/Stihl_inf...yOilScreen.pdf

The one interesting thing I found by looking at the MSDS of different oils was their flash point:

HP Ultra 220C (428 F)
http://www.stihllibrary.com/pdf/msds/Stihl_HP_Ultra.pdf

Amsoil Saber Professional 114 C (237 F)
http://www.amsoil.com/storefront/atp.aspx

Mobil 1 Racing 2T 110 C (230 F)
http://www.mobil.com/Australia-Engli..._racing_2t.pdf

Echo Power Blend Two-Cycle 68 C (154 F)
http://www.echo-usa.com/pdf/document...Oil_062707.pdf

Since the HP Ultra has the highest flash point temperature, it seems to me it has great temperature resistance.

Last edited by jfme; 12-08-2008 at 12:11 PM.
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  #8  
Old 12-08-2008, 12:39 PM
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qualitylandscaping qualitylandscaping is offline
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We run Ultra in our newer 2cycles. Remember to mix with a higher octane fuel, to get the best results.
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  #9  
Old 12-08-2008, 02:18 PM
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karlgrooms karlgrooms is offline
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I switched to Amsoil this fall and it seems my equipment doesn't mind. The ultra is great oil but I can get the Amsoil for about half the price. All my equipment get the same 100 to 1 mix and they all run great. The full synthetic mixes (Stihl ultra and Amsoil sabre) seem to perform to their billing, as all my equipment seems to have a little more pep since switching.

Last edited by karlgrooms; 12-08-2008 at 02:24 PM.
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  #10  
Old 12-08-2008, 02:24 PM
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J.Gordon J.Gordon is offline
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Stihl Ultra is a very good oil from what I have read about it. I think Castrol makes it for Stihl but don't quote me.
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