OK, so why do I have too much black smoke? Is my timing off? Is my EGR messed up? I unhooked the EGR and plugged the vac line but still the same
--- Kaleb C. Striplin Cox Auto Trader 730 PP Supervisor ----- Original Message ----- From: "Marshall Booth" <[EMAIL PROTECTED]> To: "Mercedes Discussion List" <mercedes@okiebenz.com> Sent: Thursday, August 23, 2007 4:17 PM Subject: Re: [MBZ] 603 ALDA tweaking and fuel economy > Curt Raymond wrote: >> I was under he impression new ones were not matched by default... >> Could mismatched injectors lead to lowered economy or would better >> matched injectors give better economy? > > Bosch rebuilds and new injectors are matched to within 10 bar. To match > them closer requires that YOU or your shop test them! All of the > injectors in an engine should be matched within 5 bar (if matched within > 2-3 bar engine idle will be smoother - if the rest of the engine is in > good shape). A 10 bar range will not have much effect on fuel economy, > but the engine idle will be rough. If the injectors dribble or the spray > pattern is well out of specifications economy will drop. An injector in > a well maintained engine should last 150-250kmi! > > If the injection timing is more than a few degrees out of spec, economy > and power will start to diminish. If the timer mechanism is damaged, > economy drops. > > Marshall > -- > Marshall Booth Ph.D. > Ass't Prof. (ret.) > Univ of Pittsburgh School of Medicine > [EMAIL PROTECTED] > > _______________________________________ > 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