My Savoy went across the scales at Norwalk last year with my 200# butt in the seat at 3610#
Iron block
Aluminum heads,water pump/housing
60# of flywheel/clutch assy. 35# steel clutch can
113# Richmond 5-speed
Dana 60 with spool(much lighter than the coffee can Power-Lock)
Drum brakes all around(lighter than factory disc setup)

I will be adding about 150# this winter with a roll bar in anticipation of my favorite local track reopening next year with all concrete full 1/4 mile
Gus