Could something like a single point closed loop BLM be used to make a global multiplier for the specific propane/butane ratio that is in your tank?? Ron Schroeder WD8CDH day 631 344-4561 nite 631 286-5677 _______________________________________________ Diy_efi mailing list Diy_efi at diy-efi.org http://www.diy-efi.org/mailman/listinfo/diy_efi