Those weights look pretty close to right. I assume those are "dry" weight figures, without coolant, oil, etc. and possibly without accessories such as the generator and starter, bellhousing, and maybe the water pump. They may or may not include intake and exhaust manifolds, carburetors, etc.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!