Here are the numbers on my engine, 13B w/Marcotte R-drive.
Redrive        36#           2 rad.            10
engine          170            oil cooler        6
pan               5               wires, hose     10
wtr pmp        7.5            cooler brkt
alt.                   7             aluminun plate  8
strtr.                 7            between eng &
weber&intk    8.4           pan             total  275.4

Wt on balance scale was 276# ready to mount on the engine mount, without
oil, coolant and exhaust manifold.      JohnD