rwarre

Well Known Member
Changing from 7:1 to 8.5:1 pistons. 150hp to 160hp Will my -12 carburetor work ok on the new engine or should I go with a -32.
 
I don't know, but I would like to know the significance of the dash numbers. I can't find it in the Lycoming books, or the Marvel Schebler books. -JJ