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| G-AMG G-Class DIY Host Date registered: May 2006 Location: South Texas Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350  | Photo DIY- M110.994 Mixture Adjustment The *LAST* Component to be Performed During a Routine Tune-Up, is the Mixture Adjustment. Again, this is a "Every 12,000 Miles" Procedure. Be Sure you are Working in a Well-Ventilated Shop. Also be sure to Calibrate the CO Tester with the Vehicle Well out of the Way. The Gunson Tester is very "Sensitive", so make only Small Adjustments, and wait Several Minutes in-between any "Tweeking". 2,0% In the Open Air (Not Direct Wind, though) is the Goal for Calibration. Follow the Gunson Instructions. (1.jpg) (2.jpg) (3.jpg) (4.jpg) (5.jpg) (6.jpg) (7.jpg) (8.jpg) (9.jpg) (10.jpg) (11.jpg) (12.jpg) Attachments ----------------  1.jpg (92KB - 2 downloads) 2.jpg (87KB - 1 downloads) 3.jpg (120KB - 1 downloads) 4.jpg (63KB - 1 downloads) 5.jpg (63KB - 1 downloads) 6.jpg (101KB - 1 downloads) 7.jpg (109KB - 2 downloads) 8.jpg (72KB - 2 downloads) 9.jpg (66KB - 1 downloads) 10.jpg (130KB - 1 downloads) 11.jpg (79KB - 1 downloads) 12.jpg (121KB - 1 downloads) | |
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| bram_r Expert Date registered: Apr 2007 Location: the Netherlands Vehicle(s): 1984 MB 280GE, 1982 MB 300GD, 1986 Subaru XT 4WD Posts: 1659 | ||
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| G-AMG G-Class DIY Host Date registered: May 2006 Location: South Texas Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350 | ||
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| bram_r Expert Date registered: Apr 2007 Location: the Netherlands Vehicle(s): 1984 MB 280GE, 1982 MB 300GD, 1986 Subaru XT 4WD Posts: 1659 | ||
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| G-AMG G-Class DIY Host Date registered: May 2006 Location: South Texas Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350 | ||
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| chris505 Date registered: May 2007 Location: San Francisco Vehicle(s): '79 280E/'80 280GE/'00 G500  | ||
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| G-AMG G-Class DIY Host Date registered: May 2006 Location: South Texas Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350 | ||
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hipine Date registered: Jul 2006 Location: US, CO, Bailey Vehicle(s): 460 1980 280GE w. 617A  | Re: Photo DIY- M110.994 Mixture Adjustment G-AMG - 6/3/2013 2:15 PM ...I guess one Ass-u-Me's if the Control Pressures are Correct (Cold and Hot States), and the Idle CO is in Spec, then Life is Beautiful? Bingo. Too many variables in the equasion to predict right or wrong by a CO measurement at an up-scale RPM. Also good to note to make sure your car hasn't been fitted with a catatlytic converter before you try the CO setting, since some did have them added when federalized or thereafter. Thanks for the link Chris! Also Pat, are you doing some gear pulling? Or is that open cabinet just some sick-o tool porn in the background?  You know posting things like that will only lead to something like requests to show us a DIY on setting up the rear brake bias valve using the 4-gauge brake pressure box, if that's what I see at the upper left.  All the best, -Dave G. | |
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| Brent Expert Date registered: Apr 2006 Location: SW Colorado USA Vehicle(s): '13 Wolfsburg GTI Posts: 1754 | RE: Photo DIY- M110.994 Mixture Adjustment I see tool porn... not doubt about it  I wanted to mention a possible pitfall. I had tuned my M110 with the gunson, and made the adjustments at about 8000 feet above sea level. The young man who took it out of Colorado to sea level experienced overheating and eventually a failed headgasket. I tried to warn him that the mixture would be way too lean at sea level.  Setting it in Texas shouldn't cause any problems though.  | |
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| G-AMG G-Class DIY Host Date registered: May 2006 Location: South Texas Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350 | Re: Photo DIY- M110.994 Mixture Adjustment hipine - 6/3/2013 6:29 PM You know posting things like that will only lead to something like requests to show us a DIY on setting up the rear brake bias valve using the 4-gauge brake pressure box, if that's what I see at the upper left. -Dave G. I guess you blinked and missed it: http://www.pointedthree.com/disc/forums/showthread.php?tid=20554&po... | |
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| G-AMG G-Class DIY Host Date registered: May 2006 Location: South Texas Vehicle(s): '04 G55, '80 280GE, '99 S420, '98 E320, 2011 E350 | RE: Photo DIY- M110.994 Mixture Adjustment Brent - 6/3/2013 8:14 PM I see tool porn... not doubt about it I wanted to mention a possible pitfall. I had tuned my M110 with the gunson, and made the adjustments at about 8000 feet above sea level. The young man who took it out of Colorado to sea level experienced overheating and eventually a failed headgasket. I tried to warn him that the mixture would be way too lean at sea level. Setting it in Texas shouldn't cause any problems though. ;) Yes, I remember Hipine mentioning he had to "Tweek" his Mixture when the Majatma descends from on High, to visit his in-laws down here in my neck of the woods. I'll try Monkey-ing around with the Pressure Testing, and let you guys know... Oh, And I'll try to remember to put a "Fig Leaf" over my Pullers next time.... the Oil Temp Probe is long, and won't fit anywhere else. Edited by G-AMG 6/3/2013 11:03 PM | |
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| hipine Date registered: Jul 2006 Location: US, CO, Bailey Vehicle(s): 460 1980 280GE w. 617A | ||
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| hipine Date registered: Jul 2006 Location: US, CO, Bailey Vehicle(s): 460 1980 280GE w. 617A | RE: Photo DIY- M110.994 Mixture Adjustment G-AMG - 6/3/2013 9:00 PM ..Oh, And I'll try to remember to put a "Fig Leaf" over my Pullers next time........ Yes please do. We know, you're a doctor and see that kind of stuff all the time and so don't even "see" it anymore. But for heaven's sake take it easy on the rest of us! -Dave G. | |
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