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Showing results for tags 'Low CHT on #1 Cylinder'.
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I've only had my "new" bird for about 2 months, so I'm still getting use to her, but I've noticed that the #1 cylinder runs much cooler than the other 3. Like 50+ degrees cooler. Is this ok? Is it just because it's up front and getting the lion's share of the airflow? Is something wrong? I've got a 1968 M20F. The engine has ~590 hours SMOH (but it was 15 years ago). It was modified with GAMIs about a year ago (~.4 spread). I've been running it ~20 LOP once I get up to altitude and it seems to make good power and is smooth. It has an EDM-930 which I downloaded and will post my recent flight which was just tooling around the local area (up to 6,500) and then a few night patterns. You can definitely see that #1 is much cooler from start all the way through the flight though. #2/#3 are usually about the same and much hotter than #1. I set the graph bar to a time when I had it leaned for cruise so the temps on the upper right were fairly stable. Any thoughts?
