340 Block

[bvfs12]

I have a simple question.

Is there any differences between the 340 blocks between the 1969-1973 years or are they all the same ? Is any year block better than another ?

 

[1970Duster]

http://www.forabodiesonly.com/mopar/showthread.php?t=206937

 

[pishta]

Early is usually better, but not always. read on....