Sounds like your BHJ needs a kleenex.How far does the nose of the snot of a BHJ Balancer go into the timing chain cover?
Rich stated that he removed 0.015 from the ID of the balancer. That's actually misstated. He removed 0.015 from the IR or 0.030 from the ID to get the balancer to fit onto the crank.Not sure how far it goes into the timing cover, but this installation article may give you the info your looking for.
http://www.mn12performance.com/mn12how-to/BHJ/BHJ-install.html
David