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All ports dirty except one? Indication of a problem?
Sent off a bunch of stuff to be polished and got down to this. Is this an indication of a problem? Going to probably take it off and clean it regardless, and replace the gasket.
At first I was going to say maybe that's the cylinder getting choked off from design which the plenum spacer is suppose to fix. But It would make more sense if it was the last one.
The front two are the ones that get choked, maybe it is from a clogged baffle port in the lower plenum? Regardless I don't think the OP cares anymore lol
