Originally Posted by Gmans 46
Ok, can you explain in detail? The horizontal plane? ...
You're all set, review your previous notes
Originally Posted by Gmans 46
....my trans output shaft is at -3.5 deg depending on where I set the pinion the drive shaft will see a - 2- 2.75 deg ...
Compare to the 3 basic rules found in the Tech Tip
•Rule #1 -- Universal joint operating angles at each end of a driveshaft should always be at least 1 degree.
•Rule #2 -- Universal joint operating angles on each end of a driveshaft should always be equal within 1 degree of each other.
•Rule #3 -- For virtual vibration free performance, universal joint operation angles should not exceed 3 degrees. If they do, make sure they don't exceed the maximum recommended angles.

If the driveshaft will see 2-2.75* that's more than 1* (rule #1) and less than 3* (rule #3)
Now set your pinion centerline to be parallel with the transmission/engine, or at least within 1* (rule #2)

Again, if you need more details, pictures/drawings, or further explanation check out the Spicer manuals found in the Tech Tip
http://www.stovebolt.com/techtips/driveline/setup/index.html

Grigg

•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-