This is mainly to satisfy my curiosity. When the charcoal cannister is pulled, do you leave the intake hose from the tank to the manifold active? I'm only asking because it would seem to me that installing a fuel filter on the fresh air side of the tank would be a good idea. That way any debris would be captured by the filter before it enters the tank. In other words, just replace the charcoal filter with an inline fuel filter. Anybody tried this?