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Cast Crank Balancers

Started by RCCDrew, August 10, 2017, 02:20:46 PM

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RCCDrew

August 10, 2017, 02:20:46 PM
Are the harmonic balancers the same between 400 and 440 cast cranks? How can I tell the difference?

68CoronetRT

#1
August 10, 2017, 04:47:03 PM
Good info here. Looks like they are different.

http://www.440source.com/dampers.htm

Kern Dog

#2
August 11, 2017, 09:36:25 PM
The balance factor is different. The 440 needs more weight to account for the longer stroke crank.

Nacho-RT74

#3
August 12, 2017, 06:29:52 AM
440 says in fact JUST TO BE USED IN 440... or something like that
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html
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