Avalon36
Veteran Member
I have a freshly rebuilt 3116 in Avalon, now with 100 hours on it. Engine runs great but it is still sooting up the transom. I get 2750 rpm @ WOT (Spec is 2800)and get 15 knots +/- depending on sea state, which for a 22K displacement Downeast, is not bad. Prop has been recently pitched (currently 23x16), with a 1.5:1 reduction turning a 1.75" shaft. The guy who did the rebuild is 5 hours away so is not available to look at the engine. Engine is not burning oil. Engine temp is right at 185* with a laser gun. My local factory certified CAT mechanic is suggesting that he start from the beginning and re-calibrate/rerun the injection rail as he thinks it may be running rich. That may not be a bad idea but I have gotten some more than questionable advice from him on several engine related issues so I am just a bit suspect and don;t want to spend $1K for nothing. The boat is on the hard for the winter but March will be here before we now it! Any thoughts and/or suggestions will be most appreciated.
Cheers & Happy Holidays!
Cheers & Happy Holidays!