Ok i'm new to chainsaw mods, and did a search and didn't find any info. I own an Echo 330T. How do you remove and adjust the H and L carb screws pass the factory settings?? I can't even see how to remove the carb from the chainsaw! You 330 T owners, what mods have you done on your saw that you're happy with??? Also i tried running this saw on Amsoil synthetic 2 cycle oil at about 70:1 and it would not run on that mixture. Has anyone had the same results?? Are you suppose to mix the synthetic oil up at the same gas oil ratio as mineral based oil?? I thought the thing about synthetic was use less with increased motor lubrication and performance??? Many thanks. [email protected]