Which Stroker for 400 and 7-8lbs boost on E85

Research some BB Chevy blower motor combinations and then compare them to BB Mopar combinations. A low deck Mopar is taller than a BB Chevy so if it works in a Chevy it will work in a Mopar. I don't think the Chevy guys have any issues running a 4 inch stroke in the shorter 454 block so there shouldn't be any problem in the taller 400 block.