An SBC from carb to pan usually weighs somewhere between 500-600 lbs.
roughly 380 pounds
without the headers and the turbo, it is close to 400lbs.
Fully dressed, with alternator, power steering pump, etc about 650-670lbs.
A typical small block Chevy weighs about 500 fully dressed. A 283 may be slightly lighter, but I'd bet it's every bit of 450. Especially if it still has the stock iron heads and crank.
I just weighed a 327 fully assembled head at 45 lbs.
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fully dressed up, 550-650lbs
Cast iron or aluminum block type? Aluminum crate engine roughly 380 pounds without clutch, 420 with. GM claims 497lb for the fully dressed LS1, others claim 520 thru 530. Cast iron is heavier, but I have no figures.
to much
The g13 long block engine weighs 100 pounds The long block with intake carb etc fully dressed weighs 170 Http://www.sammypro.com