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| Calling truck owners! https://slantsix.org/forum/viewtopic.php?t=60068 |
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| Author: | Reed [ Mon Aug 22, 2016 3:55 pm ] |
| Post subject: | Calling truck owners! |
Anybody out there own a shortbed 72-up D100/150 equipped with a 904 and a 9.25 rear axle? If so, any chance you could measure the length of your driveshaft from center of u-joint to center of u-joint for me? I am switching my truck from a 727 to a 904 and would like to have the new driveshaft ready to install on the day of the swap. Thanks! |
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| Author: | icepaddles [ Fri Sep 16, 2016 7:12 am ] |
| Post subject: | From the DC race manual |
From centerline of front u-joint to centerline of rear u-joint should be 3.5" less than measuring from rear of transmission extension to centerline of rear axle yoke (u-joint seat). |
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| Author: | my5thmopar [ Fri Sep 16, 2016 7:22 am ] |
| Post subject: | |
I'm sure you know this...but, remember the front yoke is different. |
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| Author: | icepaddles [ Fri Sep 16, 2016 7:48 am ] |
| Post subject: | |
My post was put in so if you don't find a drive shaft, you can make one. |
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| Author: | Reed [ Fri Sep 16, 2016 8:49 am ] |
| Post subject: | |
Thanks. I have a new front yoke and extra driveshaft already. The 904 driveshaft should be longer than the 727 shaft, right? So measure the 727 shaft and add 3.5 inches? |
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| Author: | icepaddles [ Fri Sep 16, 2016 8:32 pm ] |
| Post subject: | |
The first post by me was if you have no drive shaft, with the vehicle sitting at curb height and ready to install drive shaft, the u-joints one the shaft should sit 3.5" shorter than from end of tail shaft to center of rear u-joint on the pinion yoke. In other words; measure between the end of installed transmission tail housing (not tail shaft) to the center of the pinion yoke (rear u-joint center in effect) and the u-joints on the new driveshaft should be 3.5" shorter than that. The 727 trans. is about 4.2" longer overall but I don't know the difference in the yokes. |
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