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Message: <blockquote data-quote="bobbie-g" data-source="post: 39373" data-attributes="member: 26"><p>Here's some info I got from an old-time diesel mechanic. My 751C (Peugeot) was running rough. He listened to it for about 5 seconds and said "that thing is slobbering all over itself." He advanced the timing right on the spot and it smoothed out nicely. There are three studs/bolts that hold the injection pump to the "flywheel flange," plus a bolt/nut through a slot in the other end of the pump. Loosen these four and the pump will rotate. Puts a slight bit of tension on the injector lines, but it doesn't need to rotate much. He scribed a line on the pump and the flywheel flange, and ended up rotating the pump about 3/32". Made all the difference in the world. I find as the timing belt wears, some adjustment is needed. Viewed from the flywheel end of the engine, rotate the pump CCW to advance. Another way of looking at it: the rearmost (furthest from the engine) part of the pump moves up to advance. He cautioned me that the best running position and the best starting position are not necessarily the same. I've found recently that retarding the timing a bit helps with cold starting. But not a lot. That thing just doesn't like the cold, even with brand new Bosch glowplugs and a block heater. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile    :)" loading="lazy" data-shortname=":)" /> ---RC</p></blockquote><p></p>

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