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| 745 trans https://www.slantsix.org/forum/viewtopic.php?t=51001 |
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| Author: | Charrlie_S [ Sun Feb 03, 2013 6:38 am ] |
| Post subject: | 745 trans |
What is the difference between the 745 and 903 transmissions. I know of the 903, but don't recall ever hearing the 745 designation, before. Just noticed it in the 1966 SM, while looking up something else. |
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| Author: | Doc [ Mon Feb 04, 2013 9:40 am ] |
| Post subject: | |
I need to check athe FSM but I think the 745 has slightly larger syncros and gears. One of the 2 gear boxes has a small bump in the top cover, to allow clearance for the larger inturnals... I just don't remember which one. DD |
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| Author: | Joshie225 [ Mon Feb 04, 2013 11:06 am ] |
| Post subject: | |
The 745 is the larger 3-speed like you'd find in a truck and behind a V8 in cars. The A230 replaced the 745 to the best of my knowledge. Drivetrain.com describes the A745 as: "1961-70 Cars & Trucks Cast iron, top loaded case with side shifter linkage. 6 bolt top cover with hump. Non-synchronized 1st gear with aluminum ring/pin assembly for 2nd/3rd. Main shaft 1st/Reverse gear has 28 teeth and the cluster gear has four steps." |
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| Author: | Charrlie_S [ Mon Feb 04, 2013 1:01 pm ] |
| Post subject: | |
Just curious. Was looking in the FSM, and saw the 745, but really couldn't tell the differences. |
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