Need some help !!!!!!!!!!!!!!!!!!!!!!!!!

I always use a very thin skim coat of blue RTV, and have consistently good sealing experiences. The suggestion earlier of Gasgacinch is along those lines and is perhaps better. But use either too much and it will just be an unwelcome lubricant causing things to slip around too much. (And RTV is not gasoline proof anyway and so can only be a glue/adhesive', and not a serve as a real gasket in that spot.)