Can the speedometer cable and pinion gear from a 65 valiant be matched to a 1970 904 trans? I'm trying to figure out if I can continue to use my car's gauges to work with the newer transmission.

No, but a 1966 Valiant speedo cable will work. It has the correct end for the 65 speedo head, and the 1970 trans.

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

Yep, the cable you need is a '67-'70 Dart or Valiant item.

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

Dan, didn't the connection at the speedo head change from the screw on to the snap on, between 66 and 67?

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

Pretty sure the plastic push-on connection came out for '71, but I could be wrong. Lemme look...

...*time passes, keyclick noises*...

Looks like you're right; the cable needed is a '66-'67 only item. ATP #Y803. Learn somethin' new every day, thanks for the correction.

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一期一会
Too many people who were born on third base actually believe they've hit a triple.

can the screw on plug of the later cable be used to 'retrofit' the older cable?