gunrunnerjohn posted:I try to open the stack hole as much as possible as well. That usually takes a bit more work, typically with a small round file. FWIW, I drill in fan intake hole to 1/4" as long as I don't run over any PCB traces.
I had the thought about opening the stack and the intake hole as well. Only makes sense. I ordered a super chuffer and chuff generator last night!