I AM TRYING TO FIND PARTS AND INJECTOR INFORMATION. I HAVE ONE INJECTOR BROWN K-29-2 AND BLACK H-83-2 THERE IS NOT A L OR M STAMPED ON INJECTORS. I AM HAVEING A LEAN CONDITION. FUEL PRESSURE IS GOOD AND NO VACUUM LEAKS. WITH PROPANE ENGINE RUNS FINE AN O2 SENS... Login to read more.