• Tags

c-4

  1. Tranny Or Torque Converter?

    Hi all! '67 convertible with 289 I've had a chronic issue with either my transmission (C-4) or torque converter. Everything works just fine when cold or during light use. However, if I'm accelerating up a long hill when warm, I sometimes get a "FFFFT, FFFFT!" sound accompanied by a slipping...
    • Nathaniel Donnelly
    • Thread
    • Feb 27, 2017
    • c-4 c4 transmission torque converter
    • Replies: 4
    • Forum: 1965 - 1973 Classic Mustangs -General/Talk-
  2. Rebuild C4 Or Replace With C6

    Hello Stangnet! I've noticed the C4 in my '67 vert is starting to take a while to engage when cold. I realize that this may mean a rebuild to replace all the worn junk inside. Not sure of the history of the tranny, but suspect it has never been rebuilt. Right now, I have the numbers-matching...
    • Nathaniel Donnelly
    • Thread
    • Feb 18, 2016
    • 289 302 c-4 c-6 engine kit rebuild tranny transmission
    • Replies: 7
    • Forum: 1965 - 1973 Classic Mustangs -General/Talk-
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