100 to 1 mix 2 stroke oils

[Rough Hewn]

Question:

Can an Autotune/M-Ttronic saw sense if I mix Ultra at 40:1 and will it adjust the air/fuel mixture to accommodate the higher proportion of oil in the oil/fuel mixture?

Nope.

[Graham]

What many don't realise is that putting that drop of extra oil in 'for good luck etc' weakens the mix and the engine will run hotter.  Mistaken belief they're doing the engine a favour.

[htb]

37 minutes ago, Graham said:

What many don't realise is that putting that drop of extra oil in 'for good luck etc' weakens the mix and the engine will run hotter.  Mistaken belief they're doing the engine a favour.

Marginal difference but true.

[Stere]

 

 

 

 

ECHO String Trimmer Technical Study

SYNTHETICWAREHOUSE.NET

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AMSOIL SABER® Professional Synthetic 2-Stroke Oil resisted performance-robbing deposits and maintained...

 

 

^Big effect of oil  on rpm/performance of strimmer due to exhaust carbon deposits.....

 

[Khriss]

@Stere  was that with sharp string or blunt string  ??  K

[Jack.P]

 

7 hours ago, Graham said:

What many don't realise is that putting that drop of extra oil in 'for good luck etc' weakens the mix and the engine will run hotter.  Mistaken belief they're doing the engine a favour.

Someone I was working with was like that and often put double or three times more in then needed so never trusted them using there fuel can but after a while there machines didn’t work as good then carb needed replacing and a few other bits

Quality of unleaded does seem to vary a lot aswell and some will stink more then others.

 

 

[htb]

1 hour ago, Jack.P said:

Quality of unleaded does seem to vary a lot aswell and some will stink more then others.

 

If you do use unleaded fuel, use one of the main brands Shell, Esso or BP avoid supermarket fuels as not as good in my opinion.