Did the gearing in the transmissions between a 66 Valiant (904) and a 72 Dart (904) stay the same? Could I run the 72 by just connecting the center output of the neutral saftey switch?
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| 66 or 72 904 trans is better https://www.slantsix.org/forum/viewtopic.php?t=12696 |
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| Author: | socalrat [ Wed Apr 20, 2005 2:01 pm ] |
| Post subject: | 66 or 72 904 trans is better |
Did the gearing in the transmissions between a 66 Valiant (904) and a 72 Dart (904) stay the same? Could I run the 72 by just connecting the center output of the neutral saftey switch?
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| Author: | slantzilla [ Wed Apr 20, 2005 2:13 pm ] |
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The main change was the '68 and up got a bigger input shaft and pilot on the converter. The late converter will not fit in the register on your '66 crankshaft. |
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| Author: | SlantSixDan [ Wed Apr 20, 2005 7:57 pm ] |
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...and no, the gearing is the same in the '66 and '72 transmissions. |
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| Author: | Eric W [ Wed Apr 20, 2005 8:23 pm ] |
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In '67, the 904's for slants gained the part throttle kick-down feature. I believe it will work on the '66 transmissions. I'll have to break out my shop manual to explain it, but its basically just a mini-valve body that attaches to the side of the valve body. Its already on the '72 you have. Perhaps somebody can explain in greater detail for you. |
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