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Well after some back and forth I decided to swap my LASAR ignition for a newer electroair system. Why did I do it? Well LASAR is no longer being supported by anybody and I had heard many good things about electroair. BIG MISTAKE, don't mess with things that are working.... After an installation that took a little bit longer than expected, the bird was ready and I went flying this morning. The plane started well (two blades) and it was running like a kitten... wonderful. I just noticed that all CHT were raising, but well, it may change was my thought. On take off I noticed that I was not getting the RPM I was expecting (2600 instead of 2700) and power did not seem as it was with the LASAR, the plane felt sluggish, but I was committed and took off (mistake). After take off I noticed that CHT on cyl 1 and 3 were reaching 480 degrees and the plane was not climbing! At that point I requested to return to the field and landed safely. I turned off the plane and tried to start the engine, and it took several turns and before it started it backfired! Then it ran again well, but it did not produce the expected RPM (static full power 2500) and CHT raised to the sky! We checked compression and everything above 70! No leaks... so it is a real mystery... any suggestions. I asked my AP to adjust the timing to 20 instead of 25... if it does not work I am going back to my magnetos... Any suggestions, ideas....