hey im new to this forum and this is my first post, i apreciate any suggestions. i am trying to find the weight of two engines, an 87-93 5.0 with alluminum heads and an all alluminum dohc engine like an 03 mach1 engine. ive been searching for a while and have had no luck. any one know these or any suggestions of were too look?

   thanx

         Vince