Uhm...gee. I dont know about that. Agree to disagree then. My fourty+ year old F-body was shipped from the factory with a -4* powertrain and a +4* pinion... creating the null that cancels the working angle and maintains the "equal and opposite" theory that you dispute.
Just looking at that site and it's intripritation of any and all "one piece" prop shaft configurations basically it states that all of the OEM manufacturers for the last... uhmm I dont know, 60+ years... are wrong ??
Quote:
Transmission Angle Propshaft Angle Rear Pinion Angle
UP UP UP
UP UP DOWN
UP DOWN UP
UP DOWN DOWN
DOWN UP UP
DOWN UP DOWN
DOWN DOWN UP
DOWN DOWN DOWN
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I dont think so.
Quote:
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There is a general misunderstanding about "dropping the pinion down" several degrees. This is a practice that could be applied only to leaf spring cars without any traction control devices where springs can “wrap” and change pinion angle. This practice would not apply to 4-link, ladder bar or torque arm or high rate leaf spring equipped cars that have the ability to control the IC. Failure to maintain matched and minimum operating angles increase erratic non-uniform output velocity from the drive shaft to the differential.
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