Ayuh,..... Is this a dock boat,..??
I guarantee the cause is in
This list,....
Don't know what is dock boat. It's Searay
That list:
1. Fuel condition. 2. Propeller pitch or diameter, damaged blades
5. Marine growth on hull and outdrive 6. Wrong gear ratio in outdrive
8. Restricted exhaust system (broken exhaust shutters/flappers) in engine transom shield or drive
12. Boat overloaded, improperly loaded, or improperly trimmed.
Nothing changed from 5.7. Everything operated well with that engine.
9. Poor cylinder compression
Compression Test
6.2L show not less than 12 (144 psi) on each. Engine has 350 hours of operation.
3. Restricted fuel pickup tube or anti siphon valve
Fuel System Test
Fuel pressure is 42 psi.
4. Crankcase oil volume, high oil level can cause aerated oil and lifter collapse
Will check tomorrow.
7. Restricted carburetor air intake (clogged flame arrestor)
Will check tomorrow.
10. Carburetor defective, or wrong type.
???
11. Fuel pump pressure and vacuum
Fuel pressure is 42 psi.
13. Engine Overheating
No. Engine temperature sensor tell us it's ok. Sensor called "hand" also don't feel painly degrees
No steam also.
14. Engine timing and ignition system operation
I've checked ignition distributor as shown in previous links. After restetting to #1 cylinder nothing happen, but distributor (complete with shaft and etc.) is from 5.7.
When 6.2L complete distributor inserted engine performance much worse. It can't get over 3500.
I'll get new distributor (complete set) tomorrow and will check whatever happen. Also spare plugs and wires.
15. Remote control cables and linkage for proper travel to open throttle plates fully.
What exactly that might be? Also in main operation mode (by hand) it can't pass 3800-4000 rpm, so don't think problem is in remote control.
Also. Dispatched injectors from fuel bar. Does anyone know at what pressure should i check whether they work fine and send fuel correctly. Also does any one has pictures of how they should look like, 'case several of them are not as others. And i'd check whether it's ok, or they are damaged. And the main question - is there any crossmatch between any auto parts injectors if they are in bad condition
P.S. Some oil in water during operation found.