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Question about bobweight of stock vs 440/512 source rotating assembly...

Started by Blakcharger440, April 04, 2008, 06:00:02 PM

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Blakcharger440

April 04, 2008, 06:00:02 PM
How much was the bobweight of a stock 440 rotating assembly?  I have just received my 440/512 kit and the bob weight total is 2268.
I figured the total bobweight of this kit would be at least equal to that of the 440/528 (approx. 2225) or the 440/543 (approx.2230).
Why would my assembly weigh more. I am sure there is an easy answer to it.

firefighter3931

#1
April 04, 2008, 09:41:22 PM
Quote from: Blakcharger440 on April 04, 2008, 06:00:02 PM

Why would my assembly weigh more. I am sure there is an easy answer to it.


The pistons in the 512 kit will be taller due to the shorter stroke (4.25) than in the other kits (528=4.375 stroke/543=4.50 stroke) so that is where the extra weight is coming from.

That's the easy answer  ;)


Ron
68 Charger R/T "Black Pig" Street/Strip bruiser, 70 Charger R/T 440-6bbl Cruiser. Firecore ignition  authorized dealer ; contact me with your needs
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