need help !

hi guys finishing up the trans swap on my 71 dodge dart went from at 904 to a 727 bolted to a 340 got every thing done and went to put the dipstick tube in from my 904 and found out that's not long enough so I ordered a new dip stick tube from summit an allstar locking dip stick tube so I got it today and the thing is not even close the bends are off and the mounting tab is off the package did say 727 small block now I think im going to lengthen my 904 tube my question is how long does the tube and stick need to be Im thinking im going to use the stick from the allstar one so I just need to make the 904 tube longer any help would be great thanks :banghead: