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re egt
Guy
The POH is correct. You should compare these figures with the actual TCM engine manual supplied by Continental. The economy settings indeed are PEAK based on the fuel flow stated by Cessna.
There are differences when each cylinder peaks and that is caused by differences in fuel flow. Tighter control or matching of injector nozzles can improve performance by allowing the engine to peak on ALL cylinders closer to peak.
50 ROP is somewhat lean and most recommend going 60 ROP at above 68% power.
You can find which injectors peak first and last then swap injectors. Move them around until the least differencial is seen on the engine monitors.
Personally, I do not believe that running the Gami injectors are going to buy you anything unless you do intend to run LOP.
You can buy a lot of fuel for the price of a set of Gami's.
Go to the Gami sight and download the "test" and see where you stand. At least it can tell you how close your injectors are.
You cannot hurt your engine below 65% power as long as it is running "smooth". In fact I can run down to < 10 gph and still run very smooth.
More damage can be caused running <50ROP at higher power settings. This includes rapid cooling and putting a load on a cold engine. Running lean (when able) certainly helps to keep carbon deposits to a minimum and your oil much cleaner for a longer period of time.
It's your call..
Bob
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