GOOD NEWS. . . . The PICTURE UPLOAD FUNCTION IS WORKING !!! The tech folks at the parent company have been able to remedy the issue. You can upload pictures once again. Thank you for your patience.
There are some extensive mercury tests with Spitfires on the mercury marine site.
While you may be able to get some general info from folks that have tried them. A description of your setup would get more specific results. The likely hood of an exact match is pretty slim.