I believe opening pressures should be around 1800 psi/115 bar, and the set should be within 50 psi or about 3.5 bar of each other.
Those are ballpark numbers from my memory, a dangerous thing at times. -D Sent from my iPad > On Feb 6, 2017, at 3:13 PM, Curt Raymond via Mercedes <mercedes@okiebenz.com> > wrote: > > I thought it was .5 bar. 5 bar is like 72+ psi, that seems like a lot. > Although, how much is injection pressure? > -Curt > > From: Dan--- via Mercedes <mercedes@okiebenz.com> > To: Mercedes Discussion List <mercedes@okiebenz.com> > Cc: "d...@penoff.com" <d...@penoff.com> > Sent: Monday, February 6, 2017 3:01 PM > Subject: Re: [MBZ] Servicing Injectors > > There is a guy on German eBay that sells Monark nozzles at very competitive > prices, and ships promptly. I just bought a set for the 300D and they were > $137.00 shipped. I got them in about a week's time from the Fatherland. > > Bosch nozzles are garbage according to a couple of fuel injection people I > talked to. > > You can disassemble your injectors and clean or replace the nozzles, but they > really need to be recalibrated if you do, especially if you replace the > nozzles. Insist on having the set matched to 5.0 bar or less, as the farther > apart they are as far as opening pressures will have a significant effect on > the smoothness of the idle and efficiency of the engine. > > If you've never done this before, don't have a pop tester and an almost > surgically clean work area you're heading for a very unpleasant result. > > -D > > Sent from my iPad > >> On Feb 6, 2017, at 2:43 PM, Curt Raymond via Mercedes >> <mercedes@okiebenz.com> wrote: >> >> You can but I don't think you'll be happy with the results. The injectors >> have to be calibrated so they open at the right pressure. From what I >> understand getting them calibrated as close as possible to each other will >> result in a smoother and quieter engine. >> Max and I have both used a fellow in NC for the job. It wasn't terribly >> expensive, Max has had his done more recently and might know the number. >> RE: the injector nozzles, most people regard Bosch as garbage, Mark, the guy >> in NC says if you need 4 injectors done order 6 Bosch nozzles so hopefully >> you get 4 good ones. Monark are the ones worth working with, they're a >> little more expensive but this is a case where spending the money is worth >> it. >> -Curt >> >> From: Larry Turner via Mercedes <mercedes@okiebenz.com> >> To: "mercedes@okiebenz.com" <mercedes@okiebenz.com> >> Cc: Larry Turner <l02tur...@comcast.net> >> Sent: Monday, February 6, 2017 2:31 PM >> Subject: [MBZ] Servicing Injectors >> >> Please excuse my ignora _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
