View Single Post
  #4  
Old 03-01-2021, 08:35 AM
swjohnsey swjohnsey is offline
 
Join Date: Nov 2018
Location: Kingsville, TX
Posts: 283
Default

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.
Reply With Quote