The problem is not Turbo. I got the new turbo installed, buttoned everything up, got her up to temp and went out for a sea trial. Problem is exactly as before. Max rpm
at full throttle is 2,950 at which point the boat pours black smoke.
While installing the new turbo I double checked the exhaust
and intake systems to make sure no rags or such had been left behind before or any other obvious air blockage.
So.... back to square zero. I guess we are down to 3 options at this point as far as I can tell: replace the injection pump, haul out
and re-pitch the prop, go for a full rebuild
replacing the engine.
At this point we are all just frazzled and disgusted. The kids
want to go home. So do I. I guess we will get hauled out again and try to drop the pitch
on the max-prop by 4 degrees.... this is what the max prop guys said try though they did not really believe the prop pitch
could be the issue if it is pitched as my maintenance
regional tech guys at Mastry say its the prop. The max prop guys say that if the pitch is as my records indicate then its not the prop.
I went over all of the gear
we have added to the boat and my best guess would be that we have added about 2,000lb in overall weight to the boat. That includes a larger battery
bank, a rear arch with solar panels
and various other gear
plus all my tools and our cruising equipment
. I cannot see it being much if any over 2Klb.