Just wondering,
Which contest you were in? From the time of year, your location the timber size and saw displacement, it sounds like it could have been Harford, PA. I couldn't make it this year, but I get up there every chance I get. If it was Harford, those engine mods don't seem to be well, ahh, "legal." Also, if it was Harford, double check the rules before investing in a 357, I think the small saw class only goes up to 3.49 cu. in.
Were you running a full racing chain? The best modification that can be made to any racing saw, in my opinion, is an Art Martin chain. Another thing to look for is the fuel, if the other guy was running alcohol and nitro,and everybody else was running gas, that could account for the difference, and some "stock" classes allow it. If somebody dumps the fuel from the saw back into their gas can before they go home, they are running alky.
If you can get a Ken Dunn 357, running an Art Martin chain, on alcohol, you almost certainly will have a winner
, but you will have spent more on the saw, chain and fuel than you could probably ever win with it.