Re: [MBZ] Injection Pump Timing by millivolt method
Bust. Fuel consumption is slightly worse, probably about 5% or 10% worse, after about 1500 miles of driving. Going to set it back to factory spec using the locking tool, then maybe play around with only adjusting it a degree or two at a time and then driving for a few tanks to see if I can get an improvement. -Max -Original Message- From: mercedes-boun...@okiebenz.com [mailto:mercedes-boun...@okiebenz.com] On Behalf Of Max Dillon Sent: Monday, November 12, 2012 4:21 PM To: 'Mercedes Discussion List' Subject: [MBZ] Injection Pump Timing by millivolt method Today I did something new: set the injection pump timing on my E300 using the millivolt method. My goal is to improve fuel consumption. The glow-plugs will produce a very small voltage when heated, due to the dissimilar metals used to make them. Measuring this voltage (~12 to 13 millivolts in my case) provides a clue as to the heat of combustion in the pre-chamber. Previously I'd set the IP timing using the locking tool, which I consider to be a rather imprecise way of setting the timing. I made a harness to tie the glow plug wires together at the connector for the pre-glow relay, so I was combining all the voltages. This produced a very steady signal, measured with my Fluke DMM. I found that by retarding the timing, not only did the idle speed increase, but so did the heat of combustion. The voltage peaked after three complete clock-wise wrench revolutions , but if I continued retarding the timing, the idle speed continued to increase. Going for a test drive shortly. Will know if the fuel consumption has improved after a few hundred miles or so. Thanks, /s/ Max Dillon Charleston SC ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
Sir, you need a dyno! Mike On Dec 7, 2012 9:15 AM, Max Dillon meadedil...@bellsouth.net wrote: Bust. Fuel consumption is slightly worse, probably about 5% or 10% worse, after about 1500 miles of driving. Going to set it back to factory spec using the locking tool, then maybe play around with only adjusting it a degree or two at a time and then driving for a few tanks to see if I can get an improvement. -Max -Original Message- From: mercedes-boun...@okiebenz.com [mailto:mercedes-boun...@okiebenz.com] On Behalf Of Max Dillon Sent: Monday, November 12, 2012 4:21 PM To: 'Mercedes Discussion List' Subject: [MBZ] Injection Pump Timing by millivolt method Today I did something new: set the injection pump timing on my E300 using the millivolt method. My goal is to improve fuel consumption. The glow-plugs will produce a very small voltage when heated, due to the dissimilar metals used to make them. Measuring this voltage (~12 to 13 millivolts in my case) provides a clue as to the heat of combustion in the pre-chamber. Previously I'd set the IP timing using the locking tool, which I consider to be a rather imprecise way of setting the timing. I made a harness to tie the glow plug wires together at the connector for the pre-glow relay, so I was combining all the voltages. This produced a very steady signal, measured with my Fluke DMM. I found that by retarding the timing, not only did the idle speed increase, but so did the heat of combustion. The voltage peaked after three complete clock-wise wrench revolutions , but if I continued retarding the timing, the idle speed continued to increase. Going for a test drive shortly. Will know if the fuel consumption has improved after a few hundred miles or so. Thanks, /s/ Max Dillon Charleston SC ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
Max Dillon wrote: Bust. Fuel consumption is slightly worse, probably about 5% or 10% worse, after about 1500 miles of driving. Retarding the timing always does that, unless you were seriously overadvanced to begin with. Advancing gains MPG at the expense of increased peak cylinder pressures. Mitch. ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
There's a diesel performance shop in town that uses one, wonder what they charge? -Max -Original Message- From: Mercedes [mailto:mercedes-boun...@okiebenz.com] On Behalf Of Michael Canfield Sent: Friday, December 07, 2012 9:32 AM To: Mercedes Discussion List Subject: Re: [MBZ] Injection Pump Timing by millivolt method Sir, you need a dyno! Mike On Dec 7, 2012 9:15 AM, Max Dillon meadedil...@bellsouth.net wrote: Bust. Fuel consumption is slightly worse, probably about 5% or 10% worse, after about 1500 miles of driving. Going to set it back to factory spec using the locking tool, then maybe play around with only adjusting it a degree or two at a time and then driving for a few tanks to see if I can get an improvement. -Max -Original Message- From: mercedes-boun...@okiebenz.com [mailto:mercedes-boun...@okiebenz.com] On Behalf Of Max Dillon Sent: Monday, November 12, 2012 4:21 PM To: 'Mercedes Discussion List' Subject: [MBZ] Injection Pump Timing by millivolt method Today I did something new: set the injection pump timing on my E300 using the millivolt method. My goal is to improve fuel consumption. The glow-plugs will produce a very small voltage when heated, due to the dissimilar metals used to make them. Measuring this voltage (~12 to 13 millivolts in my case) provides a clue as to the heat of combustion in the pre-chamber. Previously I'd set the IP timing using the locking tool, which I consider to be a rather imprecise way of setting the timing. I made a harness to tie the glow plug wires together at the connector for the pre-glow relay, so I was combining all the voltages. This produced a very steady signal, measured with my Fluke DMM. I found that by retarding the timing, not only did the idle speed increase, but so did the heat of combustion. The voltage peaked after three complete clock-wise wrench revolutions , but if I continued retarding the timing, the idle speed continued to increase. Going for a test drive shortly. Will know if the fuel consumption has improved after a few hundred miles or so. Thanks, /s/ Max Dillon Charleston SC ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
Factory. Last year of the 124 line got the next generation engine, which was used until 1999 or so. Non-turbo in my car, was turbo variant in later years. -- Max Dillon Charleston SC '95 E300 '87 300TD Rick Knoble rickkno...@hotmail.com wrote: On Nov 13, 2012, at 12:25 AM, Max Dillon meadedil...@bellsouth.net wrote: Car is a 124 sedan with OM606 engine Huh? 602? 603? Engine swap? Rick Sent from my iPhone ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
Craig wrote: You certainly could monitor the voltage while driving and maybe even rig up something to make the adjustment, but I think you might want to monitor other things, too. Maybe rig some sort of throttle stop so that you could use the exact same throttle setting on successive runs? I guess you wouldn't need to do the millivolt method then, you'd just adjust for maximum speed at a fixed throttle setting. Mitch. ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
Max Dillon wrote: I timed a couple of 0-60 runs, with full tank of fuel and extra passenger (daughter), and the car is about half a second faster. Attaboy! Of course, the timing may have been off before I started this experiment. Guaranteed if retarding it made an improvement. Proper factory setting would never be more advanced than peak power, that would just add cylinder pressure and wear in exchange for less power and efficiency. Mitch. ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
So what 0-60 times does Caterpillar attain? ;) Wilton - Original Message - From: Max Dillon meadedil...@bellsouth.net To: Mercedes Discussion List mercedes@okiebenz.com Sent: Tuesday, November 13, 2012 1:25 AM Subject: Re: [MBZ] Injection Pump Timing by millivolt method There is an incredibly long difficult thread on peach parts forum that I read long ago. I've always wanted to try the method. On that forum, the 123 crowd found the injection pump nearly impossible to adjust on a running engine n Car is a 124 sedan with OM606 engine, which has a simple adjustment mechanism for changing pump timing. Loosen the four mounting bolts, fit 8mm socket on extension to adjusting bolt, turn right to retard, left to advance. The purists on that forum mercilessly attacked the method, defending the MB procedure. I think the idea has merit. Origin is Caterpillar, apparently that is how they set injection pump timing at the factory. -- Max Dillon Charleston SC '95 E300 '87 300TD Craig diese...@pisquared.net wrote: On Mon, 12 Nov 2012 16:20:46 -0500 Max Dillon meadedil...@bellsouth.net wrote: Today I did something new: set the injection pump timing on my E300 using the millivolt method. My goal is to improve fuel consumption. Interesting idea. Did you read about it some place, or think it up on your own? I made a harness to tie the glow plug wires together at the connector for the pre-glow relay, so I was combining all the voltages. This produced a very steady signal, measured with my Fluke DMM. Start engine, disconnect glow plug connector from glow plug relay, and connect to your new combining harness, I presume. I found that by retarding the timing, not only did the idle speed increase, but so did the heat of combustion. The voltage peaked after three complete clock-wise wrench revolutions , but if I continued retarding the timing, the idle speed continued to increase. What car is this? For a W123, the phrase three complete clock-wise wrench revolutions doesn't apply. Going for a test drive shortly. Will know if the fuel consumption has improved after a few hundred miles or so. We will be awaiting your test results. Craig ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
On Tue, 13 Nov 2012 00:34:39 -0600 Fmiser fmi...@gmail.com wrote: Craig wrote: What car is this? For a W123, the phrase three complete clock-wise wrench revolutions doesn't apply. He says, ... my E300 ... *grin* Uhhh ... so he did. Craig ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
On Tue, 13 Nov 2012 01:39:12 -0500 Max Dillon meadedil...@bellsouth.net wrote: Optimizing for cruising efficiency is the goal, I just may have to repeat and make adjustment based on measurements at load. Would be nice to have access to a dyno stand... That's what I thought, too. Craig ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
On Tue, 13 Nov 2012 01:25:28 -0500 Max Dillon meadedil...@bellsouth.net wrote: There is an incredibly long difficult thread on peach parts forum that I read long ago. I've always wanted to try the method. On that forum, the 123 crowd found the injection pump nearly impossible to adjust on a running engine n Yes, trying to bend 5 injection lines at once is well nigh impossible with the 123 setup. Craig ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
Max wrote: Origin is Caterpillar, apparently that is how they set injection pump timing at the factory. WILTON wrote: So what 0-60 times does Caterpillar attain? ;) Caterpillar has made engines for big trucks for a lot of years. And they now are selling 'em. So 0-60 MPH is a possibility in those - unlike the earth movers. But configuration and load have a big impact on acceleration time. I drove a truck with a tired 300 HP engine that with a full load (52,000 lbs [23,586 kg] of rice) took about two and a half miles to accelerate from 50 to 55 MPH [80 to 88 km/h]. I didn't try to time 0-60... --Philip ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
Depends on how big your crowbar is.(no, I don't recommend this method...) On Tue, 13 Nov 2012 01:25:28 -0500 Max Dillon meadedil...@bellsouth.net wrote: There is an incredibly long difficult thread on peach parts forum that I read long ago. I've always wanted to try the method. On that forum, the 123 crowd found the injection pump nearly impossible to adjust on a running engine n Yes, trying to bend 5 injection lines at once is well nigh impossible with the 123 setup. Craig ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
On Nov 13, 2012, at 12:25 AM, Max Dillon meadedil...@bellsouth.net wrote: Car is a 124 sedan with OM606 engine Huh? 602? 603? Engine swap? Rick Sent from my iPhone ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
Rick Knoble wrote: On Nov 13, 2012, at 12:25 AM, Max Dillon meadedil...@bellsouth.net wrote: Car is a 124 sedan with OM606 engine Huh? 602? 603? Engine swap? 604/605/606 are the four valve per cylinder versions of 601/602/603. I think 606 NA was first introduced to USA in the 1995 W1214. 1990-93 had the turbo 602, and I don't recall if there was a 1994 diesel. Mitch. ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
Oh yeah. I forgot Max drives a '95. Rick Sent from my iPhone On Nov 13, 2012, at 10:07 PM, Mitch Haley m...@voyager.net wrote: Rick Knoble wrote: On Nov 13, 2012, at 12:25 AM, Max Dillon meadedil...@bellsouth.net wrote: Car is a 124 sedan with OM606 engine Huh? 602? 603? Engine swap? 604/605/606 are the four valve per cylinder versions of 601/602/603. I think 606 NA was first introduced to USA in the 1995 W1214. 1990-93 had the turbo 602, and I don't recall if there was a 1994 diesel. Mitch. ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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
[MBZ] Injection Pump Timing by millivolt method
Today I did something new: set the injection pump timing on my E300 using the millivolt method. My goal is to improve fuel consumption. The glow-plugs will produce a very small voltage when heated, due to the dissimilar metals used to make them. Measuring this voltage (~12 to 13 millivolts in my case) provides a clue as to the heat of combustion in the pre-chamber. Previously I'd set the IP timing using the locking tool, which I consider to be a rather imprecise way of setting the timing. I made a harness to tie the glow plug wires together at the connector for the pre-glow relay, so I was combining all the voltages. This produced a very steady signal, measured with my Fluke DMM. I found that by retarding the timing, not only did the idle speed increase, but so did the heat of combustion. The voltage peaked after three complete clock-wise wrench revolutions , but if I continued retarding the timing, the idle speed continued to increase. Going for a test drive shortly. Will know if the fuel consumption has improved after a few hundred miles or so. Thanks, /s/ Max Dillon Charleston SC ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
On Mon, 12 Nov 2012 16:20:46 -0500 Max Dillon meadedil...@bellsouth.net wrote: Today I did something new: set the injection pump timing on my E300 using the millivolt method. My goal is to improve fuel consumption. Interesting idea. Did you read about it some place, or think it up on your own? I made a harness to tie the glow plug wires together at the connector for the pre-glow relay, so I was combining all the voltages. This produced a very steady signal, measured with my Fluke DMM. Start engine, disconnect glow plug connector from glow plug relay, and connect to your new combining harness, I presume. I found that by retarding the timing, not only did the idle speed increase, but so did the heat of combustion. The voltage peaked after three complete clock-wise wrench revolutions , but if I continued retarding the timing, the idle speed continued to increase. What car is this? For a W123, the phrase three complete clock-wise wrench revolutions doesn't apply. Going for a test drive shortly. Will know if the fuel consumption has improved after a few hundred miles or so. We will be awaiting your test results. Craig ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
Indeed we will! I do wonder whether optimizing at idle will yield the desired results. It all depends on the accuracy of the mechanical advance, and whether it is even possible to optimize both idel and cruising power in an analog system. We will be awaiting your test results. Craig ___ http://www.okiebenz.com For new and used parts go to 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 -- OK Don 2001 ML320 2012 Passat TDI DSG 1997 Plymouth Grand Voyager 1957 C182A ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
On Mon, 12 Nov 2012 22:42:59 -0600 OK Don okd...@gmail.com wrote: Indeed we will! I do wonder whether optimizing at idle will yield the desired results. It all depends on the accuracy of the mechanical advance, and whether it is even possible to optimize both idel and cruising power in an analog system. You certainly could monitor the voltage while driving and maybe even rig up something to make the adjustment, but I think you might want to monitor other things, too. Craig ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
There is an incredibly long difficult thread on peach parts forum that I read long ago. I've always wanted to try the method. On that forum, the 123 crowd found the injection pump nearly impossible to adjust on a running engine n Car is a 124 sedan with OM606 engine, which has a simple adjustment mechanism for changing pump timing. Loosen the four mounting bolts, fit 8mm socket on extension to adjusting bolt, turn right to retard, left to advance. The purists on that forum mercilessly attacked the method, defending the MB procedure. I think the idea has merit. Origin is Caterpillar, apparently that is how they set injection pump timing at the factory. -- Max Dillon Charleston SC '95 E300 '87 300TD Craig diese...@pisquared.net wrote: On Mon, 12 Nov 2012 16:20:46 -0500 Max Dillon meadedil...@bellsouth.net wrote: Today I did something new: set the injection pump timing on my E300 using the millivolt method. My goal is to improve fuel consumption. Interesting idea. Did you read about it some place, or think it up on your own? I made a harness to tie the glow plug wires together at the connector for the pre-glow relay, so I was combining all the voltages. This produced a very steady signal, measured with my Fluke DMM. Start engine, disconnect glow plug connector from glow plug relay, and connect to your new combining harness, I presume. I found that by retarding the timing, not only did the idle speed increase, but so did the heat of combustion. The voltage peaked after three complete clock-wise wrench revolutions , but if I continued retarding the timing, the idle speed continued to increase. What car is this? For a W123, the phrase three complete clock-wise wrench revolutions doesn't apply. Going for a test drive shortly. Will know if the fuel consumption has improved after a few hundred miles or so. We will be awaiting your test results. Craig ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
I timed a couple of 0-60 runs, with full tank of fuel and extra passenger (daughter), and the car is about half a second faster. Of course, the timing may have been off before I started this experiment. -- Max Dillon Charleston SC '95 E300 '87 300TD OK Don okd...@gmail.com wrote: Indeed we will! I do wonder whether optimizing at idle will yield the desired results. It all depends on the accuracy of the mechanical advance, and whether it is even possible to optimize both idel and cruising power in an analog system. We will be awaiting your test results. Craig ___ http://www.okiebenz.com For new and used parts go to 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 -- OK Don 2001 ML320 2012 Passat TDI DSG 1997 Plymouth Grand Voyager 1957 C182A ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
Yes, thought about trying that. Would need a long empty flat road, as the voltage takes a few minutes to stabilize. In college I had a Datsun B210 or something like that, and set the ignition timing by field test. Time a 0-60 run, move timing, repeat until fastest time achieved. -- Max Dillon Charleston SC '95 E300 '87 300TD Craig diese...@pisquared.net wrote: On Mon, 12 Nov 2012 22:42:59 -0600 OK Don okd...@gmail.com wrote: Indeed we will! I do wonder whether optimizing at idle will yield the desired results. It all depends on the accuracy of the mechanical advance, and whether it is even possible to optimize both idel and cruising power in an analog system. You certainly could monitor the voltage while driving and maybe even rig up something to make the adjustment, but I think you might want to monitor other things, too. Craig ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
Max Dillon wrote Today I did something new: set the injection pump timing on my E300 using the millivolt method. My goal is to improve fuel consumption. Craig wrote: What car is this? For a W123, the phrase three complete clock-wise wrench revolutions doesn't apply. He says, ... my E300 ... *grin* I'll bet the technique works for a OM617 too. --Philip ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
Optimizing for cruising efficiency is the goal, I just may have to repeat and make adjustment based on measurements at load. Would be nice to have access to a dyno stand... -- Max Dillon Charleston SC '95 E300 '87 300TD OK Don okd...@gmail.com wrote: Indeed we will! I do wonder whether optimizing at idle will yield the desired results. It all depends on the accuracy of the mechanical advance, and whether it is even possible to optimize both idel and cruising power in an analog system. We will be awaiting your test results. Craig ___ http://www.okiebenz.com For new and used parts go to 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 -- OK Don 2001 ML320 2012 Passat TDI DSG 1997 Plymouth Grand Voyager 1957 C182A ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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
Re: [MBZ] Injection Pump Timing by millivolt method
Problem with the OM61x engines is the lack of an adjusting mechanism on the pump to facilitate adjustments on a running engine. -- Max Dillon Charleston SC '95 E300 '87 300TD Fmiser fmi...@gmail.com wrote: Max Dillon wrote Today I did something new: set the injection pump timing on my E300 using the millivolt method. My goal is to improve fuel consumption. Craig wrote: What car is this? For a W123, the phrase three complete clock-wise wrench revolutions doesn't apply. He says, ... my E300 ... *grin* I'll bet the technique works for a OM617 too. --Philip ___ http://www.okiebenz.com For new and used parts go to 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 ___ http://www.okiebenz.com For new and used parts go to 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
