Late Ampex Lets do the math Alum block 118 lbs Iron block about 180lbs. Intake manifold iron 85 lbs, alum single plane 32 lbs. Iron heads 48 lbs Alum heads 18 lbs each. Alum brackets 2lbs old brackets 5 lbs. Alum pulleys (3) 3 lbs steel ones 6 lbs. Flywheel 40 lbs alum flywheel with insert 18lbs. Eagle rods are lighter than stock rods by 810 grams to 27.08 oz for a lemans rod THAT's about 200 lbs. Are there any questions???????? The scale in not broke, may be 1-2 lbs off BUT This is the Numbers. Have a nice day. Check with ERA on a Iron motor 428 or 427 675 to 685 iron motor 460 to 480 for a shelby motor. I hope this help you
Rick Lake