As others on the injectors ... I would also check the valve clearances ..

Yep, 3rd on the list.

"Old wrote:

Could also be firing off leaked lube oil instead of diesel fuel which kind of goes along with the blue smoke.

Will pull e-manifold 1st. What can be done about stuck rings????

70* 2day, 3 minute vid showing no.3 the worst, running without manifold.
At first I have the engine at a higher rpm, then i go round and back throttle down towards idle. Thats when the most smoke is seen. No. 3 the worst, then no.4. None of the ports were wet.

70* 2day, 3 minute vid showing no.3 the worst, running without manifold.
At first I have the engine at a higher rpm, then i go round and back throttle down towards idle. Thats when the most smoke is seen. No. 3 the worst, then no.4. None of the ports were wet.

Its oil best i can tell coming from the threaded bores.(engine was warmed up)
Just minimal amount from the static area beyond the end of stud i assume.

How oily are the exhaust passages?

Your not temped to put a load on and fill the tank and go have a long lunch? How long has it been since a hard exercise? Bob

"Old wrote:

How oily are the exhaust passages?

By sight they all looked dry black soot, no.3 had the most dry looking residue compare to the others. I didn't rub my finger in the ports, 2me the ports kinda thinking/looked running rich, this black look could be from running it sunday 8 hrs with 15kw load on it. Didn't have black smoke out the exhaust sunday.

edit, tomorrow i'll rub my finger in the port residue and see if its wet. I looked hard up into the passages, they looked dry. I'm gonna go towards the injector capsules next.