Ah, the new Green Bearing thread...I ain't reading three pages of this, so maybe someone has already posted this, but....
Ah, but you can.
Pull the advance canister, the number stamped on the arm is the advance. Either add material to the notch (weld or JB weld) or file the notch to limit or extend the pull length of the canister, if you don't feel like swapping canisters and stocking a hundred canisters for tuning.
As far as the rest of it, enjoy yourselves.