Hello all,
I just rebuilt a set of injectors for my 1984 300CD (OM617 turbo) with new Monark nozzles. They are popping at 2050 psi across the board. They all have the factory shim installed, and no others were added for adjustment. I know the target pop pressure is 1950 psi. My question is, do I have to take the injectors back apart to lower the pressure to something closer to 1950 psi? Is there an acceptable range of pressures for these to pop at?

Thank you all for your help!

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1979 300D, sold
1984 300D, totaled
1984 300D, sold
1982 300TD, sold to Dad
1976 240D automatic unfortunately
1974 240D manual, sold
1981 300D, sold
1983 300TD, no rust, sold
1979 240D manual, rear-ended
1965 200D, four-on-the-tree
1982 300SD
1985 300D
1984 300CD „Rusty,“ gone but not forgotten
1980 300SD
1982 240D 4-spd.