440 differences??

URDUST73 said

Thanks guys! If the damper is 1" or 2" what motor does that mean it is?

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Sorry I should have explained further. The forged crank uses the thinner of the 2 dampeners usually about 1 inch wide and the cast crank uses the thick dampener 2 to 2 1/2" wide. http://www.moparts.com/Tech/Archive/bb/22.html

Check out this link for comparison.

Terry