Yep, It makes a difference. 300 Series, -7 degrees is the faired in
flap position. 200 series, 0 degrees is the faired in position with reflex
(-x degrees) suggested for cruise. Roman Numeral series and double Ls
(Legacys) don't have such benefits.
Scott Krueger
AKA Grayhawk
Lancair N92EX IO320 SB 89/96
Aurora, IL
(KARR)