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Old 11-12-2008, 10:40 PM
Todd Miller's Avatar
Todd Miller Todd Miller is offline
1966 250SE Coupe Owner
 
Join Date: Jul 2005
Location: San Luis Obispo, CA
Posts: 548
Smile Fixed!

Today I removed the injection pump. Man, what a job that is.

Sure enough, the timing mark on the pump was a good 1/4" or more "retarded" from where it was supposed to be, with #1 cylinder at 20 degrees ATDC on the firing stroke.

I reset the pump and installed it.

Then I rotated the engine about 1/4 turn backward....and then came forward to TDC for #1. I loosened the cinch clamp for the distributor, and pulled the distributor completely out. Then I used a magnet up pull up the distributor drive gear and re-clock it one gear tooth in the clock-wise direction. I set the distributor back in, gave it a rough adjustment and the engine fired right up.

I did a quick setting of the mixture, idle and timing, and the engine runs great. The headgasket is retorqued and tomorrow I'll take it for a short drive and then come home and dial in the mixture, linkage, timing, and idle.

Too bad I didn't do this right the first time eh?
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1966 W111 250SEC:
DB268 Blaugrün/electric sunroof/4 on-the-floor/4.5 V-8 rear axle
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