On my SDL I seem to be getting about 22 or so, I would think i should get more than that. I have what I think is too much black smoke and that is after new injectors. I dont think the alda has ever been adjusted on mine.
--- Kaleb C. Striplin Cox Auto Trader 730 PP Supervisor ----- Original Message ----- From: "Alex Chamberlain" <[EMAIL PROTECTED]> To: "Mercedes Discussion List" <Mercedes@okiebenz.com> Sent: Thursday, August 23, 2007 10:59 AM Subject: [MBZ] 603 ALDA tweaking and fuel economy > Gentlemen, > > Just refilled the tank on the '87 300D for the first time since > adjusting the ALDA. I was disappointed to observe a MAJOR decline in > fuel economy---from about 25 mpg to about 19 (50-50 mix of city and > highway driving on both tanks). > > If anything I've been seeing less visible exhaust smoke since tweaking > the ALDA, so I'd be really surprised if I was losing unburned fuel > that way. What happened? Did I maybe knock a fuel line loose while > manhandling the ALDA in and out under the manifold? Did I break it? > I only turned the screw on top one full turn counterclockwise, and I > know it wasn't adjusted before since the "safety" cap was still on. > > One good thing is that I've figured out that, once the cap is off, the > adjusting screw and locknut are just barely accessible without taking > the ALDA out (or the intake manifold off). Between the #3 and #4 > intake runners you can just barely wiggle in a 10mm GearWrench from > one side and an improvised low-clearance screwdriver (i.e. nail file > or butter knife) from the other. So repeated adjustments to find the > right setting shouldn't be too hard, if it sounds like I just overdid > it. Anybody have any thoughts? > > Alex Chamberlain > '87 300D Turbo et al. > > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com