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Installation Techniques
Compound Angles
Compound universal joint operating angles occur when the transmission and axle are not in line when viewed from BOTH the top
and side. Their centerlines, however, are parallel in both views. (See Fig. 5)
Engine
Trans.
Axle
Top View
Parallel Centerlines
Engine
Trans.
Axle
Side View
Parallel Centerlines
Figure 5
When you have a compound angle, you have to calculate the "True Universal Joint Operating Angle" of each universal joint. It is
the True Universal Joint Operating Angle that must meet the three rules shown on page 5.
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