Looking at your smoke opacity test which was 0.67 with a pass limit in your country of 4.00
I would say that maybe your engine isnt getting full fuel.

We in the UK have a similar test where the pass limit is K-3.00 for Turbo engines, and K-2.5 for non turbo..

Before adjusting anything, I would check that all the 'alda' lines and the solenoid (if fitted) are correct and not leaking. Maybe one pipe etc was mis-placed during assembly....

Another check would be to confirm the Turbo is in fact developing the correct pressure...

Maybe worth confirming the Injection-Timing, as its all been apart recently...

If all is well, and if you have access to a 'smoke-tester' I would then start to adjust the Alda to give a reading of around 2.5-2.8 on a F.A.S. test (Basically floor throttle for half to 1 second and take readings).....Not much point in going higher on the smoke....

By that time you should be running pretty well, and still have a good clean exhaust....

__________________
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Alastair AKA H.C.II South Wales, U.K. based member

W123, 1985 300TD Wagon, 256K,
-Most recent M.B. purchase, Cost-a-plenty, Gulps BioDiesel extravagantly, and I love it like an old dog.

W114, 1975 280E Custard Yellow,
-Great above decks needs chassis welding--Really will do it this year....