Dan, I would think that information would be available in the Forney Flight and Operation Manual for F1A. If you don't have one you can get one from Univair, phone no. 1-888-433-5433. It is part number F1A.
Syd Cohen dan & ann curcio wrote: > I am replacing the tach in my coupe which has a C-90. Was wondering > what the proper zones are for this engine. My old tach is marked green > zone from 1900-2500 rpm and red line at 2600 rpm. > Thanks, > Dan
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