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Old 10-04-2007, 09:51 PM
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Join Date: Jun 2005
Location: Urbana, Missouri
Posts: 171
injection pump timing

1980 300SD

I've read through all the postings on ip timing and currently attempting to time mine. I adjusted all valves, no problem there, Installed new injectors, one or two were nailing and I had no idea how many miles they had on them.

The result was an inordinate amount of white smoke when cold and still some smoke when warmed up. The smoke had a strong diesel smell. So, I though ip timing might be off with new injectors. I also had increasingly hard starting.

I'm using the drip method and no matter where I move the ip it is a steady stream that pours out of the ip pump when pumping priming pump and then it stops. The flywheel is sitting on 25 degrees before TDC. I did look at the cam lobes through the oil filler and they are NOT facing straight up but about 25 degree before straight up.

Am I missing something here? Any ideas or suggestions would be appreciated. Like, why are the cam lobes not straight up when the marker is sitting on 25 degrees BTDC? Why is there no drip but a steady stream coming from the drip tube?

Thanks for any information, suggestions.
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