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On 18 Nov 2001, at 21:28, jim wrote: > > --- Jim Adney <jadney@vwtype3.org> wrote: > > On 18 Nov 2001, at 9:23, jim wrote: > > > > > I recently (10/31/2001) had an emissions test on my 69 Squareback > > > with a (mostly) 72 FI engine in Illinois. Here are the results: > > > > > > My Readings Standards for IL > > > HC 318 900 > > > Hydrocarbons > > > > > > CO 5.4% 9.0% > > > Carbon Monoxide > > > > > > CO2 4.8% NA > > > Carbon Dioxide > > > > Were these the 1972 standards? > > I'm not sure, these were the same standards my 1977 FI Beetle had to pass 6 > months earlier so I would guess in Illinois, older cars up to 1981 have the > same, relatively lax, standards for emissions. Cars built after 1981 have a > different test for emissions which is why I'd guess 1967-1981 cars fall under > the easier to pass test. Yes, these sound like some kind of simplified standard that IL must use for older cars. I think the original EPA standards were probably tighter and they certainly changed a lot between 72 and 77. - Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ------------------------------------------------------------------- Too much? Digest! mailto:type3-d-request@vwtype3.org Subj=subscribe