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Originally Posted by Endust
Seizing an engine requires heat. At starter speeds there isn’t anywhere near enough heat. How did you eliminate the valve train? Since the starter wasn’t the cause I think you have valve interference. What process did you use to eliminate that as a possibility?
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I used a wrench on the bolt that holds the cam sprocket on and rocked it back and forth. By doing this I was able to move the cam a degree or two and could see the valves that are open move slightly. If they were interfering I believe I should only move the cam to close the valves, but could not turn it the other way to open them. I would line to confirm this by using a dowel to check the positions of the pistons, but I believe that will require the removal of the prechamber, which I do not have to tool to do.
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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver
1982 300SD - 232K miles - Wife's Daily Driver
1986 560SL - Wife's red speed machine
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