more mopar 340
08-04-2007, 02:39 PM
#1
Junior Member
SHOW GUEST
Thread Starter
Join Date: May 2007
Posts: 7
more mopar 340
more ?'s about my son's duster--will the 727 & converter that is behind our 340 now work with a 360? i know a 360 is externally balanced,does this require an externally balanced converter?--also what is the significance of "j" heads?,the combustion chambers & valves are the same size,no one can seem to tell me what the majic "j" means
thx. Jeff
thx. Jeff
02-02-2008, 08:35 PM
#2
Junior Member
SHOW GUEST
Join Date: Dec 2007
Posts: 3
Yes the converter needs to be balanced, A tranny shop charged me $25.00 a couple of years ago. The "J" head is the 340 4bbl head 72 and later, it is also the same head, casting #'s and all as the 360 4bbl head which was introduced in 72
