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[69DARTS]

can u change the ring gear on the
torque converter
or just buy a converter
63 dart 170 with a pushbutton automatic
and where do u get said parts

 

[Killer6]

can u change the ring gear on the
torque converter
or just buy a converter
63 dart 170 with a pushbutton automatic
and where do u get said parts

The ring gear can be replaced, but the labor & parts may make it less attractive than getting a replacement converter, unless doing it Yourself.
What happened to Yours? As far as the replacement ring gear, Transtar/Recon should have them, but if someone's doing it for You(Shop) they'll
probably have a source. The stitch-welds need cut, the new ring needs warmed up after knocking the old one off, then squared-up and re-welded.
If it is a few damaged teeth, they can be MIG'd up & ground/filed back to form, MIG wire is pretty tough laid down............

 

[69DARTS]

some bad teeth mite be missing in spots
but what year converters interchange

 

[Killer6]

some bad teeth mite be missing in spots
but what year converters interchange

Unless there's some odd real early nuance(60-61), any '67 and down for a six cyl. should be fine.