Get the GAMI spread right (not hard to get to 0.0 - 0.1 GPH). After that, look for what is causing your out of line high CHT on #6. Some thoughts:
- As was posted, do the washer spacer on the #6 baffle fastener screw.
- If you are dragging cabin heat air off the rear baffle, try adding a restrictor on the air to heat muff flange. I put round piece of aluminum over the flange with a 3/4” hole in the center. The restrictor is held on place with some aluminum tape, and the SCAT hose goes over it. There is still way too much cabin heat so not a problem. I note the cabin heat flow is reduced but now hotter. On the coldest day I just had the rear heat cracked open and the front heat off - still plenty warm.
- Do the other normal dives into baffling to see what else can be done.