OEM Mopar Engine Weights
Here's a small list of [approximate] weights for stock engines.
Note most of these are fully dressed engines with stock parts.
We all know the savings to be had with aluminum intakes, ect...

 
331/354 Hemi with alum. intake and water pump -
392 Hemi with alum. intake and water pump ------
Slant 6 ---------------------------------------------
273-340 -------------------------------------------
360-------------------------------------------------
361-400 -------------------------------------------
413-440 -------------------------------------------
426 Street Hemi -----------------------------------		 504
564
525
525
550
620
670
765