Hello I have a 1985 Buick Riviera Convertible with the 3.8 V6 hot air turbo. It is the LM9 engine I need to find a vent pipe which is attached to the rear of the left side valve cover and I keep hitting dead ends where ever I go. Attached are some pictures of what I am looking for. Can anyone please help me? I presume that this part was used on more than just the LM9 engine? Thank you John
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