Model Forum / Radio Controlled / Water Models / May 2009

hi guys i had started a v hull speed boat and was going to try and to it
as an extreme diy inculding modding an engine to watercooled but have
been watching some boats here locally and the engines that are available
are very strong so i bought the rcmk engine and im building a catamaran
the maxcat.
can anyone give me details about the s254 rcmk engine i have bought im
trying to build a tune pipe but got stuckj about transfer and exhaust
angles and also the exhaust gas temperature i know the latter varies but
would like to know a starting point i highly appreciate your help