Ok I’m coming around on the higher oil ratio. Maybe I try 45:1. I’ll use up these 6 cans of Ultra then be more discriminating with future oil purchases.My experience.... 40/1 Amsoil, mild muffler mod, bigger dogs, don't over bar it and
It will run no doubt. But it's terrible oil and really wasn't ment for two strokes. It was designed as a band aid to fix issues Stihl was having with the 4-mix engine.When I switch to ultra 50:1 it was all good.
Agreed. Use a quality JASO FD oil instead. Ultra stinks and is dirty. I still buy a small pack of it to double my Stihl warranties, but I give the oil away. I don't even use it in my 4-mixes.It will run no doubt. But it's terrible oil and really wasn't ment for two strokes. It was designed as a band aid to fix issues Stihl was having with the 4-mix engine.
It may work well in a 4mix for all I know. I won't own one, so I will never know!Agreed. Use a quality JASO FD oil instead. Ultra stinks and is dirty. I still buy a small pack of it to double my Stihl warranties, but I give the oil away. I don't even use it in my 4-mixes.
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