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Old 11-08-2008, 10:19 AM
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ja17 ja17 is offline
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Join Date: Aug 2004
Location: Blacklick, Ohio
Posts: 238
Hello,

Yes it sounds like your ignition timing is very retarded. It is an easy fix. Remove the distributor, pull the gear and spring and rotate it in the direction needed to re-align the distributor mark. Be sure to note that the cog on the bottom of the distributor is off-set and must be oriented correctly. You can force it in 180 degrees off.

You should have a small spring between the distributor and this gear. Be sure to press the distributor all the way down during re-installation and tighten the cynch enough or the sprig will push the distributor up enough to dis-engage the cog after start up.

There is also a chance you could have re-set the engine with the injection timing 180 degrees off. You would have to have have noted if the engine was on TDC of compression stroke and was not changed to TDC of exhaust stroke to be sure. These engines actually run decent but not quite right with the IP pump 180 degrees out of time.


Here is a photo Todd;
Attached Thumbnails
250se won't do more than idle-distributor-drive-gear-spring.jpg  
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Joe Alexander
Blacklick, Ohio
1964 220SE Rally (La Carrera Panamericana someday)
1966 Unimog 404s (Swedish Army)
1969 300SEL 6.3 (sold)
1969 280SL Pagoda
1973 280SEL 4.5
1974 450SLC FIA Rally car (standard trans)
1982 300D turbo (winter driver)
1986 560SEC
1989 Unimog FLU419 (US Army)
1991 300TE (wife)
2002 SLK 32 AMG (350 hp)

Last edited by ja17; 11-08-2008 at 10:48 AM.
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