how much does a stock 340 weigh (4 bbl)

how much does a 340 weigh without exhaust manifolds but other then that turn key
the hemi motor i just got the guy took all the parts and bubble wraped them after he weighed them and said that everything except the block came to 350 pounds now granted everything is either alum. or mag. but it also has a 14-71 acording to the info i found on the kb water block ist 142 pounds so that comes up to under 500 pounds motor pretth much have every part except exhaust valve all the springs rings/bearings
does this sound feesable to you guys?

ok dont have to be a 340 any ol small block with a carb system will do.....

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ok dont have to be a 340 any ol small block with a carb system will do.....

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I found this chart They say 540 for a Mopar 273 - 340. Seems to have pretty good references.