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SSI heat exchangers - Illinois Smog Check
Hello Guys,
I recently bought a 1987 911 Carrera Targa and I am planing to install new SSI heat exchangers and sport muffler. Does anybody know or had experience in Chicago area for passing emission test with this setting? Any specific recommendation? Thank you! E |
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07-18-2020, 09:51 PM
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Cars made before 1996 don't need emissions testing in Illinois. See: https://illinoiscarlaws.com/smog-laws/
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07-19-2020, 03:59 AM
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Registered
Join Date: Jun 2015
Location: Chicago, IL
Posts: 3,101
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Per the other response, smog tests consist of a check for stored codes in OBD2 ports. Everything older doesn't exist as far as testing is concerned.
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'80 SC Targa Avondale, Chicago, IL |
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07-19-2020, 05:01 AM
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Wildman Emeritus
Join Date: Feb 2003
Location: Chitown Burbs
Posts: 1,873
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A good thing for us. Watched a state guy who told me he loved Porches rub the sensor block over the frunk during an early 2000's test. I poked my head out and told him it was rear engined. The no load revving didn't exactly give me a warm and fuzzy either.
Tech is not a bad thing 
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Mike Andrew 1980 SCWDP 2024 Suby Forester 2018 BMW X1- Wife's 2000 Boxter - Sold |
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07-19-2020, 05:27 AM
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Vintage Owner
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You might get more issues with the noise of the sport muffler than the SSI heat exchangers. Some of them are pretty loud.
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84 Targa (sold) 70 914-6 (sold) 73 914-6 2.7 conversion (sold) 75 GMC Motorhome (sold) 2016 Cayenne |
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07-19-2020, 06:32 AM
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Thank you all for the answers!!!
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08-17-2020, 08:14 PM
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| chicago , smog. illinois , ssi |
1970 Porsche 914-6 (sold)
1973 porsche 914-6 conversion (sold)
1984 Porsche 911 Carrera Targa - sold
GMC Motorhome
