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Old 06-04-2009, 11:24 PM
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Default Engine weight 347

Does anyone know the weight of a 57 347 4 barrel motor?

thanks

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Old 06-04-2009, 11:44 PM
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About 650 to 675 pounds fully dressed.

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Old 06-05-2009, 12:01 AM
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Almost identical to a 287, 316, 326, 350, 370, 389, 400, 421, 428, or 455--about 700-800 lb.

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Old 06-05-2009, 12:49 AM
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Yep, not much weight difference between any of them. A few pounds here or there at the most.

Pontiac V8s are pretty much a modular design, the heads and blocks share the same external dimensions on all of them.

About the only thing I can think of that may add a scant few extra pounds would be the longer stroke crankshaft in a 455.

The thinwall cast short-deck 265/301 'economy' engines with their non-counterweighted cranks are quite a bit lighter than the other Pontiac V8s.

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Old 06-05-2009, 09:30 AM
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ok but 650 or 800 ??,,800 sounds like Hemi weight. The 650-675 would be better anyone know for sure ?

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Old 06-05-2009, 07:46 PM
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It's not near 800 and it's less than 700.

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Old 06-05-2009, 08:11 PM
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need a weight for shipping Cheyenne?

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