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Old 03-01-2021, 08:35 AM
swjohnsey swjohnsey is offline
Join Date: Nov 2018
Location: Kingsville, TX
Posts: 283

I use a similar formula. I cruise 21x21 until I can't get 21" Hg then increase RPM to get 42. I indicate around 165 mph which trues out around 200 mph at 10,000. Burn is around 8 gph.
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