Two things before I forget.....
The rear cam seal plug weeped when we broke in mine on the dyno. My block had been setting around a while so that o ring got a little crusty. You still may want to pop it out and use some silicone.
I found that a few of the harmonic balancer bolts that hold the unit together actually extend out past the mounting surface a hair. It will make your balancer pulley look like a loose wheel.
I'd check it and be prepared to shim the pulley.