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Old 11-14-2012, 06:20 PM
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Join Date: Nov 2012
Location: michigan
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67' 250se fi info...

i have a 67' 250se euro fi 4spd on the tree. I have a few questions if someone can let me know if Im on the right track. cold start is 1100-1150rpms takes about 7-10mins to warm then steady 750rpm. dwell at 38degs. timing at 750rpms w/o vacuum 8degs btdc distributor is bosch last 2 digits 51 think its the retarded one not sure thoe. bad part car runs really rich, plugs are carbon fouled, don't know how to adjust fuel, i read of the full range screw but not sure were it is. I found the 10mm bolt cap on front of fi pump but it's just a little bore hole inside. So any knowledge would be grateful. thankyou....

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Old 11-14-2012, 11:59 PM
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Join Date: Dec 2011
Location: Honolulu, HI
Posts: 475
This post from mercmad6.3 should be stickied for MFI owners' reference, imho. It has good back-to-basics info so you aren't adjusting to cover up something that's not right, whether mixture or linkage, or timing:

Car wants to stall at idle, more details included
Looking for Early 108 windshield surround wood in decent-to-good condition.
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Old 11-15-2012, 12:20 AM
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Join Date: May 2001
Location: Northern Va.
Posts: 3,386
Better to check the technical section of Welcome - Mercedes Benz 230SL, 250SL, 280SL Pagoda Group.

It's the same MFI for 230/250/280SL, 220SEb, 250SE, 280SE/SEL, 300SE/SEL.



Currently 1965 220Sb, 2002 FORD Crown Vic Police Interceptor

Had 1965 220SEb, 1967 230S, 280SE 4.5, 300SE (W126), 420SEL


Not part of the in-crowd since 1952.
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