What do you guys use for an adaptor to do a compression test on the MM diesels? One of our Vistas just doesn't run right, It was overhauled not that long ago, new rings and heads gone through completely, pump worked on and last summer had the injectors done too and it still has a limp to it so I better see what I have for compression. I don't have any adaptor that can work so I thought Id ask. I've thought of taking an old injector apart and trying to see if there's any way to connect to that? I don't think I can adapt to the energy cells unless I drill and tap one?? Any easy way that I'm missing? Thanks.