If you click on the "show diagrams" button, it shows the driveshaft angle off horizontal and that's where I put your 9 degrees down, and came up with the 16 degrees on the rear u-joint. I didn't see it asking if it was the difference between the pinion and shaft. Are you using the same calculator I linked to?
I have to admit that I've never set up a driveline before, but understand angles. I agree that we're thinking about it differently.
[on edit] I think I figured it out. I set all all the angles to up (which would be going from rear to front) and it comes up with the following. Looks like you're pretty good.
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Driveline angles.jpg (64.17 KB, 1 downloads)

Last edited by klhansen; 11/10/2026 5:12 AM.
Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.