Yes the 6l90 yoke is alot bigger than the 6l80. I have been told that if your truck came with a 6l80 and u put a 6l90 the only difference
Is the bigger outputshaft and the 90 is like 1/2" longer.
Found it. Check this out.
http://www.performancetrucks.net/for...e-swap-472501/
Originally Posted by RS/SS 4.8
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