I just clean my 4,6 block and piston/rods + crank, and i weight them at work when they are clean/empty of oil/coolant and dirty...
2 difrent barometer.. I think those weight are +90-100% correct? I also weight my own weight and its ok..
Bare block, inc bearing carrier + bolts weight is 33-35Kg
pistons+ rods 1-1,25kg x8 = 8-10kg
4,6Crank 20-21kg
Ported 45mm inlet manifold + trumpets + siamesedplenum 14-14,5kg
Empty ported stage 4 heads 8kg + rockers inc bolts about 1kg + 8valves+retainers/springs 1,75kg = complete head without rocker cover about 11kg.
I hope this information helps someone in future..
