Low Compression at Startup on the Mercedes OM605 OM606 Superturbo?? Part 1/2

In this video I try to find a solution for some issues I have with my Mercedes W202 Om605 Superturbo sleeper build. After exchanging the engine the issue occured, that some of the intake valves will stay slightly open. After the cylinder head gets some temperature, they close as they should but this porblem is somewhat annoying. I traced this down to the elongation of the valves during time, so the hydraulic lifters are actually completely compressed and can't compensate anymore. I already experienced this problem on other OM60X engines so this is not unusual. My goal is to find a hydraulic lifter from another engine which has the right parameters to solve this issue. This is part 1 of 2.

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