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Tech Question
José Leonardo Maia, Poços de Caldas, Brazil, 1975 Dodge Charger R/T Brazil 318
How to identify a motor 440 years or generation differences? The 440 year 1960 is the same a 1970? Thanks!
José-
Briefly, the 440 was built during model years 1966 - 1978. There's an I.D. number pad on the top front of the block near the distrubutor. B = 1966, D = 1968 etc. There should also be a rather large casting date on the side of the cylinder block (water jacket area).
1966 engines had lousy heads. Mid-1974-up engines had cast iron crankshafts. Everything in between is consdiered to be the good stuff! (The 74½-up heads and block are fine, too.)
1970-'73 engines stamped "HP" had extra strong (and heavy) connecting rods which required external balance.
Rick
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