TwinTurbo.NET: Nissan 300ZX forum - So I for long time couldn't pass emissions
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Subject So I for long time couldn't pass emissions
     
Posted by Carlos Ramirez on August 04, 2014 at 6:19 PM
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In Reply To Anyone ever tried exhaust w/ 2 catalytic converters? ... posted by David G on August 03, 2014 at 10:42 PM
     
Message as I had no cats and 17 degrees of timing and one day I got tired of the raw fuel smell. I ended up getting a pair of the Vibrant 200 Cell cats (remember these aren't even the 300 cell cats), added 2 bottles of heat, dropped my timing down to 10 degrees and leaned out the car. I also ran a fuel system cleaner before as well, I also heated the hell out of the cats before I checked my emissions.

Guess what I passed not even passed by a little bit but by almost hybrid car levels. So take some time and tweak the car and I am sure you will pass.


     
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