Chris I took a look at the thread you linked and I'm pretty much in agreement with what was said by the 2 Daves, but you deffinetly have something else going on if you're still runing too hot. Do you know what your temps actualy are?
Let me give you some advice on cleaning that condensor.
DO NOT shoot water from the front of it into the cooling fins. Spraying the water in that direction only forces what is trapped in there even deeper and helps to wedge it in tighter. I know its a pain in the butt but you need to remove the IC and rad and useing a pressure washer shoot that water from the engine compartment through the condensor fins towards the nose of the car. I think you'll ba amazed at what comes out.
When cleaning my condensor I was able to learn that method works best.
I was lucky because since my car is completely torn down I have the condensor out where I can play with it easily and trying the water spray in both directions I learned spraying back to front made a big difference.
I must have blown out 10 lbs. of bugs and had a small pile of pebbles to boot.
I know you tow a hobie cat so you do hang out at the lake in your area. Bugs are abundant at the lakes. I live 4 miles from the largest lake in Ky (Ky Lake) so I do have to deal with this problem myself on every vehical I have, and believe me they build up fast. I've even resorted to makeing bug screens that set in front of my rads so that they collect the bugs rather than my rads and condensors. I have them hid behind the grills so they cant be seen and they are much easier to clean than a rad or condensor.
Haveing said all of that if you can completely eleminate the cooling fin blockage as a source of your problem I'de be looking at ignition timeing issues.
Wrong timeing regardless of A/F ratio's will cause an engine to run hotter.