I have a 2005 Mariah 3.0 SX18 bought it used found out it wont go over 3300 rpms and no power to get on plane.
Prop is Michigan wheel 14x19, 26 mph on phone app.
Read the For adults only been going through it.
Vacuum gauge reads 17"hg at 750 rpm vibrating though.
At 3300 rpm the gauge reads 2"...
