Yep, there are some items missing like;
- fan blades & clutch
- flexplate or flywheel
and maybe something else, but this chart was made to compare the different engine's weights in oem condition and after aluminium head, intake, waterpump upgrade. All the aluminium parts were actually scaled, FE waterpump, Weiand aluminium 429, etc.
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this is direct copy paste from the original:
Weight analysis, engine system 3.00, model year 1973, 429-4V, auto trans
SYSTEM COMPONENT WEIGHT
3,01 BASIC ENGINE SUBSYSTEM 563,04
3,02 ENGINE LUBRICATION SUBSYSTEM 26,22
3.03* ENGINE COOLING SUBSYSTEM 19,25
3,09 VALVE TRAIN SUBSYSTEM 33,56
SUB TOTAL 642,07
3,03 ENGINE COOLING (FINAL LINE)
RADIATOR 20,70
RADIATOR CAP 0,14
ENGINE COOLANT 41,00
FAN SHROUD 3,50
FAN SHROUD (ATT. PARTS) 0,16
FAN 2,67
FAN SPACER 0,40
FAN (ATT. PARTS) 0,16
HOSE & CLAMP ASSY. (UPPER) 0,92
HOSE & CLAMP ASSY. (LOWER) 1,15
SUB TOTAL 70,80
3.04# CARBURATION & AIR CLEANER NA
3,05 ACCESSORY DRIVE SUBSYSTEM
ALTERNATOR BRACKETS 1,12
ALTERNATOR ADJ. ARM 0,59
ALTERNATOR BRKT. (ATT. PARTS) 0,59
CRANKSHAFT PULLEY 4,70
WATERPUMP PULLEY 2,79
BELT- ALT. BELT 0,19
BELT- P/S DRIVE 0,33
BELT- A/C DRIVE
BELT- THERMACTOR
SUB TOTAL 10,31
3.06# STARTER SUBSYSTEM NA
3.07# IGNITION SUBSYSTEM NA
3,08 EMISSION
THERMACTOR
SPARK CONTROL
NOx CONTROL 3,00
VAL. ASSY-C/C VENT + PTS 0,95
SUB TOTAL 3,95
TOTAL 727,13
* ONLY THOSE ITEMS THAT ARE PART OF THE BASIC ENGINE
# NOT ENGINE & FOUNDRY RELEASE RESPONSIBILITY