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Old 11-01-2019, 02:06 PM   #2
100IH
Senior Member
 
Join Date: Dec 2011
Location: SW Idaho
Posts: 970
Default Re: Mysterious hole in valve chamber?

It is ugly and not the German way. The pathway for oil to flow over the timing gears. One place where labor money was saved. The guy who bashed the hole there in the block only had time for two hits with the hammer. Those who have used a die grinder to detail the ragged edges never saw an improvement but they slept much better.
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