I have rebuilt the engine in my 1981 300D. First time for a diesel. I have built many a gas burner. But the fuel injection pump and its components are giving me aliitle trouble. I set the start of injection, with the drip tool i bought. I cannot get the thing started; i have tried everything i know. Except the injectors. I pulled the #1 injector out and re-connected it to the line. I wanted to see what kind of spray patterned i had. It came out in stream and a heavy mist- about like a can of WD-40. I thoght the pattern should have been fine mist and be atomized so it could blend with incoming air. Do the injectors need to be replaced now. I was going to later, but i wanted to get it cranked first. But helped is greatly needed and appreciated.

Are you certain you put the pump in at the right stroke...I.E. both #1 valves closed.....and the IP with the missing spline at the mark on the housing?

Its easy mistake to make.

The Injectors should spray a fine mist not a stream...they need attention if the do that.

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Proud owner of ....
1971 280SE W108
1979 300SD W116
1983 300D W123
1975 Ironhead Sportster chopper
1987 GMC 3/4 ton 4X4 Diesel
1989 Honda Civic (Heavily modified)
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Section 609 MVAC Certified
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"He who fights with monsters might take care lest he thereby become a monster. And if you gaze for long into an abyss, the abyss gazes also into you." - Friedrich Nietzsche

timing mark also on 24 right? even if its relatively close, it will fire.

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1980 500SE/AMG Euro
1981 500SEL Euro
1982 380SEL
1983 300TD
1983 500SEC/AMG Euro
1984 500SEC
1984 300TD Euro
1986 190E 2.3-16
1986 190E 2.3
1987 300D
1997 C36 AMG
2003 C320T 4matic

past: 1969 280SE 4.5 | 1978 240D | 1978 300D | 1981 300SD | 1981 300SD | 1982 300CD | 1983 300CD | 1983 300SD | 1983 380SEC | 1984 300D | 1984 300D | 1984 300TD | 1984 500SEL | 1984 300SD | 1985 300D | 1986 300E | 1986 560SEL | 1986 560SEL/Carat | 1987 560SEC | 1991 300D 2.5 | 2006 R350

even if the injectors are worn, it should run. it did before, right? so the timing must be off. injector or cam.

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.