Smog Emission removal for a 1990 Jeep Laredo?
I am fixing my jeep up for an off road toy. A friend from work says there are many parts I can remove from the engine that only reduce smog. due to the area I live in there are no DEQ regulations. what can I get rid of while I am in the process of a total rebuild?
Jeep - 2 Answers
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1 :
I only read as far as "smog emission removal" because this is simply against federal law unless the vehicle is to remain unregistered and never driven on public roads.
2 :
The catalytic converter, and O2 Sensors are the major players when it comes to smog control. But if you are making this an off road toy just buy a header (if it is the 4.0L) or headers (V8 models) and a high flow muffler. If you really want no restriction you can out a bypass in and with the flip of a switch you can dump straight from the header. You will need to hook up the "dummy" plug 02 sensors as the computer will be looking for some sort of feedback from them otherwise you'll get codes and a motor that doesn't run quite rite.
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