" From: Wrambler242@xxxxxxxxxxx " " Wow! Is this common??? " http://www.swri.edu/4org/d03/engres/spkeng/sprkign/454Cyl.htm " -- " Mark Price it's entirely possible that gm doesn't have proper materials for the valves or seats for gaseous-fuel service. their whole focus is making them -just-hard-enough- for liquid fuels... ________________________________________________________________________ Andrew Hay the genius nature internet rambler is to see what all have seen adh@xxxxxxxxxxxxxxxxx and think what none thought _______________________________________________ Amc-list mailing list Amc-list@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list