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-   -   Mechanical FI pump Adjustment (http://www.peachparts.com/shopforum/vintage-mercedes-forum/338948-mechanical-fi-pump-adjustment.html)

garymand 05-16-2013 03:05 PM
Mechanical FI pump Adjustment
 
Does anyone have info on how to adjust the old FI pumps? I have a 250SL w/280SEL motor. The FI was way too rich. I installed an oxygen sensor.

RBYCC 05-16-2013 10:53 PM
You'll find all the info on this forum..just do a search.
Linkage adjustment is most important, air adjustment at the throttle valve and fuel at the back of the FI pump ( with engine off )
You may want to also consider an electronic trigger module and matching coil from Hot Spark or Pertronix.

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