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  #16  
Old 09-15-2009, 09:49 AM
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Quote:
Originally Posted by Diesel911 View Post
What was the actual performance difference between the Bosch and the Monarks?

And, could you post the Nozzle numbers on both makes.
I will have to do some back-track research to post the part #'s, but the performance gain, at least here in the beginning is good. Smoother, quieter idle. More power on acceleration. Keep in mind I had an air ingress problem in my IP/fuel system for two months and while I did "cure" the problem intermittently, the Bosch nozzles may never have gotten a real chance to show me their true performance. I just switched to Monarks at the very end of my problem as a part of the over all frenzy I was in trying to isolate the cause of my nailing.

The last thing I want to do is start the nozzle debate back up via this thread.

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  #17  
Old 09-15-2009, 09:53 AM
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I second the advice to PM bgkast.
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  #18  
Old 09-15-2009, 10:03 AM
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PM'd bgkast even though he's got a bold "not taking injector orders right now" on his page. if i don't hear back within the day i guess i'm just going to bite the bullet and pay the guys in binghamton tomorrow.
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  #19  
Old 09-15-2009, 10:26 AM
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You could do as I did. Go out and spend $800.00 for an OTC nozzle-rater! Just 400 more injectors to go and I break even!

I use it at my work so it is actually an essential tool for me and no, I don't rebuild other peoples' injectors before you ask.

$36 isn't bad for the rebuild and rating process. Figure on almost an hour shoptime for two injectors. Yeah, I'm sure it can be cheaper in other locales but, when it's their ball ya gotta play by their rules. You're paying for the convenience of not having to ship the injectors.
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  #20  
Old 09-15-2009, 12:40 PM
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Quote:
Originally Posted by Sev View Post
guys, it ain't that hard to rebuild it oneself, and then pay a shop to pop test them...

i'm just sayin
A proper shop will put all the internal parts as well as the injector bodies into an ultrasonic cleaning machine. Kind of like what is used to clean jewelry. You can kind of rinse everything off with clean diesel fuel if you DIY, but it doesn't match the results from an ultrasonic cleaning.

I've never heard of this "Monark" brand. Where are they made, anyone know? The Fratelli Bosio's I'm using are made in Italy and are very popular with the tuners in Europe.
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  #21  
Old 09-15-2009, 12:52 PM
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Is Karl Jaentsch still alive? He used to be Mr. Diesel in Ithaca, but that was 20 years ago, if not more.
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  #22  
Old 09-15-2009, 12:53 PM
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the monarks are from hamburg germany. they're somehow different in their design that makes flow easier or something. those who use biodiesel and svo swear by them as does anyone i've ever heard who put them in to run regular diesel. i forget the details of why they're different but i've heard no complaints.

this looks like it all just adds up to me getting them done by the pros and paying what they're asking...just was hoping to get it cheaper as i'm about to buy a 4 spd tranny with all extra parts for the conversion as well as a complete manual sunroof. and i think the same dude is gonna trade me my bundts for hubbies.... off topic i know, but i'm pretty psyched! just breakin' the bank though...
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  #23  
Old 09-15-2009, 01:00 PM
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Quote:
Originally Posted by moon161 View Post
Is Karl Jaentsch still alive? He used to be Mr. Diesel in Ithaca, but that was 20 years ago, if not more.
just called him up. he retired from the business and right now isn't doing so good. too ill to come to the phone. thanks though...
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  #24  
Old 09-15-2009, 01:10 PM
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Quote:
Originally Posted by Squabble View Post
the monarks are from hamburg germany. they're somehow different in their design that makes flow easier or something. those who use biodiesel and svo swear by them as does anyone i've ever heard who put them in to run regular diesel. i forget the details of why they're different but i've heard no complaints.

this looks like it all just adds up to me getting them done by the pros and paying what they're asking...just was hoping to get it cheaper as i'm about to buy a 4 spd tranny with all extra parts for the conversion as well as a complete manual sunroof. and i think the same dude is gonna trade me my bundts for hubbies.... off topic i know, but i'm pretty psyched! just breakin' the bank though...

The Bosch Nozzles for 617 engines have drillings at #14 and #15 through witch idle and low quantity’s of fuel pass through.
The Monark Nozzles and the Bosch Nozzles for the later Mercedes do not have the drillings and use a Facet (I believer they are referred to as 265s); a flat portion on one side of the Pintel to accomplish the same end.
The difference is that I believe it is easier for the drilled parts to become clogged with carbon that the Faceted Pintles.

Bosios have neither drilling or facets.

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  #25  
Old 09-15-2009, 03:06 PM
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Quote:
Originally Posted by Diesel911 View Post
The Bosch Nozzles for 617 engines have drillings at #14 and #15 through witch idle and low quantity’s of fuel pass through.
The Monark Nozzles and the Bosch Nozzles for the later Mercedes do not have the drillings and use a Facet (I believer they are referred to as 265s); a flat portion on one side of the Pintel to accomplish the same end.
The difference is that I believe it is easier for the drilled parts to become clogged with carbon that the Faceted Pintles.

Bosios have neither drilling or facets.

Thx D-911, sweet info - that would explain why my return lines are behaving differently now - lots more air movement than with the Bosch nozzles installed (I have a translucent "observation link" from my #1 injector return barb to the secondary FF canister connector barb.)

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http://farm5.static.flickr.com/4081/...0bb92d3c_m.jpg http://i370.photobucket.com/albums/o...g?t=1325284354

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