Re: Hose for oil catch can.
Needs to be something halfway rigid. I know heater hoses won't work, not sure about silicone. Remember, those hoses will be under vacuum. Standard rubber vacuum line would work.
Re: Timing advance and boost - DM vs. plugs
Are you still running that extra .5 pounds of boost that you added? If so that could make for some very choppy boost...every time it overboost it'll drop, overboost, drop, etc.
DataMaster - did you buy a license? I think you only get 10 free...