More tuft testing and examination of the plans resulted in the decision to put in a modified lower cowl baffle to fit the boat tail cowl. A 60 degree baffle 5.5" from the front edge of the cowl and two side baffles that went from the edge of the diffuser to the sides of the boat tail were installed. Tuft testing afterwards seems like more air is going into #3, but I'm doubting the leaf blower is doing a good job of pressurizing the cowl, so flight testing will be the best test.
A small gap between the copilot side of the diffuser and the edge of the NACA inlet was found and needs to be correct before next flight.
I was looking for more information on the Dynon Lean Tool and found this in one of the SkyView Training Class videos: Dynon Lean of Peak tool YouTube video There were also some tips from the instructor on adding more helpful information to the Engine page.
Some of the oil I'd found on the case was from the 1/4" case bolts, so retorqued them according to the appendix B chart (90-110 .in lbs.).
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