Hessianimports@bellsouth.net

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1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
Raleigh NC - Home of deep fried sushi!

They're here...nozzles, shims, springs, heat shields, a few new injectors and some nozzles and heat shields for VW 1.6L, also.

Held up in customs for two weeks.

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1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
Raleigh NC - Home of deep fried sushi!

What ever brand anyone decides on ...

This is from Monark Diesel's technical department. (I think I translated it all correctly)

TESTING AND ADJUSTING
Nozzle needle and body are lap fitted to each other and should never be mismatched.
Testing should be carried out with clean diesel fuel oil or test oil meeting ISO 4113.
NEVER USE GASOLINE FOR TESTING! EXPLOSION OR FIRE COULD RESULT.
Keep hands away from nozzle spray. It can penetrate deep into the skin and and destroy the tissues. Fuel oil in the blood stream can cause blood poisoning.

Clean all nozzles.
Remove special conservation oil completely from new nozzles by washing them in clean gasoline.
Clean used nozzles of soot and carbon and likewise wash in gasoline. Allow them to dry then dip nozzles in clean fuel oil and insert them into injector body.

Testing.
When assembling, hand center and tighten before tightening with a wrench. Cap nut torques: 'P' nozzle 30-50Nm, 'S' nozzle 50-90Nm, 'T' nozzle 80-100Nm (verify for your specific application)
Verify nozzle is not jammed by connecting to the tester with the gauge stopcock OFF.
Operate the pump lever several times, forcefully about 6-8 pumps per second. If the needle is not jammed, the nozzle should chatter with a shrill whistle. If not, loosen the cap nut, rotate the nozzle and tighten. NOTE: hole type nozzles (IE: SD 240) will not chatter like pintle type nozzles even when the lever is pumped quickly.

Opening (pop) pressure.
Pressure is specific to your engine. Adjust it accordingly. It is sometimes stamped on the injector body.
CAUTION: WHEN PRESSURE GAUGE IS BEING USED increase and decrease pressure slowly or gauge damage may result. Slowly increase the pressure until slight chattering, read indicated pressure. Turn adjusting screw or change shims as necessary. When the lever is operated slowly (1-2 pumps per second) all nozzles should spray/chatter. However, the spray need not be even or well atomized.

Leakage test.
Operate lever until gauge indicates 20 bar (285 psi) below specified pressure. The nozzle does not leak if no drop of fuel falls from the nozzle in 10 seconds.

Chatter and spray pattern.
Close the gauge stopcock. Spray pattern is observed when the lever is pumped rapidly (4-6 per second.)
The pattern for pintle and throttle nozzles should be even and well atomized. For hole type nozzles, full and finely atomized.

Cleanliness is essential when testing. The test area should be free of dust and dirt. Only use clean diesel fuel or test oil.
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1987 300D (230,000 mi on a #14 head-watching the temp gauge and keeping the ghost in the machine)
Raleigh NC - Home of deep fried sushi!

While I can't speak to the quality of Bosio Nozzles, I can speak to the quality of Monark nozzles. I just installed the DNOSD261 equivalent nozzles and WOW, what a difference in running quality!!! Seems like more power off the line, and quicker throttle response. Definitely idles more quietly. Has more of a diesel sound to it when accelerating - which I like. They were on sale at ************** for $99 (set of 5).

Having installed this nozzle version, I would not go back to the original DNOSD240/ Bosch nozzle.

I'm very pleased with the performance of my "85" 240D after installing my injectors with "Monark" nozzles from C Sean Watts, quick, friendly service too. I will do it again

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1985 Euro 240D 5 spd 140K
1979 240D 5 spd, 40K on engine rebuild
1994 Dodge/Cummins, 5 spd, 121K
1964 Allice Chalmers D15 tractor
2014 Kubota L3800 tractor
1964 VW bug

"Lifes too short to drive a boring car"

you are using the 261 nozzle?, why not the 265?, or did you mean 265 when u said "equivalent"

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1985 300D - 599,xxxk - blue interior #265 Monark Nozzle, AL129X, 15" Ronals, Gen II Big Brakes hunting
1985 300D - 491,xxxk - in prog-{A-A IC, 3" exhaust, psi\pyro, 28*BTDC, Hella Euros, IP Limiter removal
1985 300TD - 783,xxxk - parts car,used new engine with ALDA cap inplace
1987 Kenworth T-600 8LL 425 CAT Mech. - 6,000,000+k - DEI exhaust wrap, punched through resonators, 1 recent rebuild,