I'm not exactly sure what the problem is with the Metro. But, I think it has more to do with uneven amounts of EGR in each cylinder. Metro experts?
That said, EGR isn't the cleanest thing, and I'm sure my system will need to be cleaned out occasionally. Thats something to keep in mind as I route plumbing. Perhaps a U shaped trap like a sink drain has would help? Other ideas guys?
FYI, no progress on this for a little while, I'm on vacation now until the 14th.
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