I realize that this is *way* to late (sorry about that!) - is there enough room around the big FET's for heat sinks? You can always use top clips. I'm wondering about wrap arounds.
(yes there's a pattern here .... 20A fuse comments .... heat sinks .... liquid nitrogen cooling of pc board traces ....)
(yes there's a pattern here .... 20A fuse comments .... heat sinks .... liquid nitrogen cooling of pc board traces ....)