Did you give Tyler credit for an original idea? Christ..the only idea he ever had was that IC's are bad and no one should ever use them.
Here's circa 2009 ish
Full IC plus the Alt support bar too.
Depending on how much sealing surface you have. You might want to consider this idea I had.
And.. since you are IC'ing a W body, here's a thought
http://www.grandprixforums.net/threa...highlight=easy