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Frustrated with the emission testing rules here in Maricopa County AZ. We are almost ready to take our 1986 8V92 TA on an extended trip after a couple of years of restoration. I went to get an emission test (required to title and register in this county) and I hit a brick wall. According to the regulators my 1986 all mechanical engine (no DDEC) has to be brought up 1988 emission standards in order to register it. One exception is if the engine manufacturer  will certify that the 1986 engine met 1988 standards. I don't think that is the case since I believe that 1988 was the first year for DDEC electronic control over fuel injection. i doubt the 1988 standard can be met without extensive engine modifications.
Anyone have any experience with this issue?