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Posted by terry in md [70.32.205.16] on Saturday, August 14, 2010 at 08:36:11 :
In Reply to: Re: Drive line alignment FFPW posted by Tim Holloway [69.54.28.229] on Friday, August 13, 2010 at 17:35:36 :
If your concern is low speed with front engagement you maybe alright, but non-parallel centerlines will almost certainly give you a vibration at a higher speed depending on operating angle. It also shortens u-joint life.
Operating angle depends on component angle and distance between them(length of shaft)as your angles seem to indicate parallel centerlines.
How critical it all is depends on your intended use. If you plan on operating
at a higher speed with lockouts engaged,
like snowy highway get front axle and transfer centerlines parallel(within a deg or so) and adjust rear to match within a degree or so. Parallel centerlines make
higher operating angles more tolerable.
Excessive operating angles require a cv joint.