Troubleshooting Gasket

If the gasket was bad on the ash dood, would it cause the stove to overfire?

If it was bad on the loading door, what would it cause as far as how the fire would react?

The ash door gasket will allow additional air to surge into the combustion chamber from the 'bottom of the fire'....possibly over-firing the stove or boiler. The loading door could allow 'over the fire air' to pass and cool the combustion process. You need air 'under the fire' air for Anthracite, 'over the fire' for wood and Bit coal. The loading door could allow fumes to escape into the living area if you have a poor draft, and in the interest of safety, fix them both immediately....please. Don't forget to get some gasket adhesive while you are shopping for gaskets.

ok, so if I understand this....bad ash door gasket = overfire, bad load door under fire / poor fire. Both bad