The inlet areas look fine to me as they are ,I am not sure I would restrict them in an attempt to get the engine to run warmer . Is there an issue resulting from the engine running to cool ? Perhaps you could speak with Goetz Vogelsang to address any particular issues with the Valach engine .
Vogelsang Aeroscale
372 Legacy Falls Drive North
Chapel Hill, NC 27517
919 533 6275
Last edited by CK1; 10-16-2015 at 04:09 PM.