Filled out the request overnight for Coan first thing this morning got a reply. This surprised me with the way companies are this day and age. They stated a custom converter with a tight stall of 3000-3200 would work well with my combination.
I know roccodart440 rates them high, has anyone else used their products?
I have an 8" Coan behind my 434, it works very well, great folks to work with too. When I was calling around shopping for converters Coan asked more questions about my car and what I was doing with it, then made their suggestion.
As mild as the OP's combo is I don't think 3000-3200 is out of line, he could always ask if they can make it 33-3500. I'd call and talk with them about it.