list your own aircraft performance # for comparasion.  Mine with Lycon AEIO 360 (230hp so its claimed)  does at 8,500 ft,  158 kias during cruise at full throttle, 2450 rpm 9.0 gph 1348 egt 410 cht  22 fp 195ot.   If i go thom 2300 i drop to 152 kias at 8 to 8.3 gph.....yours?    Whats your best speed configuration during cruise and what you get indicated?  Whats your best Range configuration and KIAS?