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Wonder what is going on with this now
It was finally cool enough to get out and start getting into the 300D engine today. I got the intake/exh and turbo off and was in the process of taking the timing chain apart when just for the heck of it I started turning the engine over looking at where the marks lined up on the cam and crank. I turned the crank to line up the cam mark and looked at the crank indicator and IT WAS ABOUT 20 DEGREES off - past top dead center!!! This was all with the tensioner intact. I don't have a clue how it got this far off. Anyway, I moved the chain one tooth over and now the marks line up like they are supposed to. Now, I'm wondering where in the world the fuel injection pump is timed at so when I get back out there on it I will do the old "drip" test and see where it is set for start of delivery. The last "major" job I did on this engine was a head job back around April of this year. I will say it has not run right since that time (rough idle, hard to crank and excessive smoke - but once it got up to speed it would run out good and the fuel mileage was around 25 mpg). I have a heckuva time believing it has been off one tooth all that time but I guess it has because I don't think they will "jump time" one tooth with a healthy tensioner. After resetting the chain one tooth I did turn it over manually for quite a few revolutions to confirm it was lining up properly. I will probably do another compression test after getting the intake back on just to see where it really is.
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Jim
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