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George is wrong.
If you can open up a 1.5 inch hole in your baffling and see no change in the cooling of your air cooled engine in all regimes it was meant to effectively operate, you have an inefficient cooling system. You have way too much air coming in and have created a high cooling drag situation. George is an expert in running "lean of peak" for reducing the power available (HP) thus, the heat (BTU) generated. Be very careful for what you wish for -- I happen to like to run at best power -- best power that the engine was designed for and is capable of delivering forever. It must be cooled to to achieve that high power condition at the altitudes that the airplane was designed to be most efficient. Period. It must do this whilst minimizing the cooling drag. Period. IMHO, Everything else is just screwing around and messing around. What the devil are we flying high performance airplanes for anyway? Huh? Huh?
Enjoy,
Scott Krueger
N92EX
Fuel is the least expensive component aviation!
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