but the theory is that if you let it run dry, there is only a small
amount of gas left in the carb, yes that will evaporate and leave a
small amount of residue...

the alternative is leave the tank full and you then have an unlimited
amount of gas to evaporate leaving a much larger amount of residue...

thats why I add Stabil then let it run dry. whatever small amount of
gas is left still prbobaly evaporates but if there should be a large
pool left somplace, the Stabil will slow down the degredation.

If the object of the game is to have the least amount of residue left,
my bet is to have the least amount of gas avaialbe (i.e let it run
drey) and have the gas that is left, stabilized. i.e. put stabil in
before I let it run dry.

Mark