John,
No stains or leaks.
The fuel line isnt touchng anything. We just have 3/8" fuel hose running from the pump to the filter then again from the filter to the carb. Could it that be the problem? Should we have hard lines run? We are running a vapor return line, I dont know if that makes a difference. We do feel a lot better knowing the water temp is right around 190 on average.
Could it be our altitude? I know water boils at a lower temp here, wonder if that's what's happenng with the gas.