Quote:
Originally Posted by Keith Seymore
I don't think you'll be able to fix it with what you have.
When I was at the Desert Proving Ground I worked on extended cabs with an inherent launch shudder. I was able to fix it by increasing the length of the front shaft (that is, moving the center bearing rearward) by 12-24". Even though I was able to demonstrate a fix the design community did not implement my suggestion because I couldn't explain mathematically why it worked.
I think your only choices are to either create a custom length front shaft or go to a one piece shaft; otherwise it is what it is.
K
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Very interesting Keith, my 98 extended cab longbed has had vibrations from a stop to about 15-20 mph as long as Its been in the family, (since 2004). I always figured it was axle wrap. Maybe not.