madmanadam Posted June 24, 2002 Share Posted June 24, 2002 Hello, Mopar fans Could someone tell me the difference between the 440-1 and 440-3 motor? This motor is in a 1978 motorhome. No, I'm not putting it in a Z-car. Any info on this motor would be great. Thanks Adam Quote Link to comment Share on other sites More sharing options...
denny411 Posted June 24, 2002 Share Posted June 24, 2002 could the 440-1 be the early high nickle content block? and the 440-3 be the later lower compression engine? Just tossing out ideas, I believe that all parts will physicaly interchange if that`s an issue. Quote Link to comment Share on other sites More sharing options...
jt1 Posted July 11, 2002 Share Posted July 11, 2002 No difference at all except the casting date. Some of the accessories on the motorhome engines were a little odd, though. Quote Link to comment Share on other sites More sharing options...
madmanadam Posted July 17, 2002 Author Share Posted July 17, 2002 Thanks That is what I have found out. -Adam Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted August 21, 2003 Share Posted August 21, 2003 I believe the 440-3 has heavier/beefier rods. So I have heard. I have never personally weighed the two. Quote Link to comment Share on other sites More sharing options...
Guest Anonymous Posted August 21, 2003 Share Posted August 21, 2003 I believe the 440-3 has heavier/beefier rods. So I have heard. I have never personally weighed the two. Quote Link to comment Share on other sites More sharing options...
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