Well, I did it all at once. Shawn wanted to get a solid review of the
clutch restrictor mod, so I figured, what the hell. I took the
restrictor washer and spring out, replaced the line, and flushed the
system. Results? Feels slightly firmer (my imagination?), I guess...
As for removing the restrictor, I have also read that it makes the
clutch return with noticeably greater force. Again I cannot really
tell the difference. For all I know the difference in feel I have is
soley from flushing the system with new fluid (the old shit was slimy
and the reservoir had build-up).

That is my conclusion.

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2012 2500HD LML