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SportTrac Discussion
General Sport Trac Discussion
5.0 V8 2001 Sport Trac
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<blockquote data-quote="MVanover" data-source="post: 1043023" data-attributes="member: 75690"><p>I have heard there are a couple of ways to fool the sniffer. One of my friends added alcohol to the fuel and passed his '68 Chevy. The other is to adapt the '08 Chevy Truck 6.6L Duramax tailpipe configuration. I have done a poor mans version of the latter on my STAs custom exhaust system. It was really loud. No cat converter I can see. The venturi effect allows extra air to cool and dilute the exhaust. It quieted it down quite a bit with no loss of power.</p><p></p><p>AZ allows you to change the engine, but with restrictions. The engine must match the vehicle catagory (light duty vs heavy duty) and must be of the same year group for the emissions category. All smog equipment on the replacement engine must be in place as installed by the OEM. So installing a 5.0L engine in a 4.0L vehicle is OK if the catagory is the same and it was smog equipped.</p><p></p><p>AZ has smog tests done every two years for OBD II vehicles and for '81 - '95 vehicles (includes sniff test). New cars don't get tested for 5 years. Earlier vehicles are tested annually down to 1967, except '67 - '74 do not get inspected for tampering. The testing requirements differ for the various years. There are changes to the regs underway, if they get approved.</p></blockquote><p></p>
[QUOTE="MVanover, post: 1043023, member: 75690"] I have heard there are a couple of ways to fool the sniffer. One of my friends added alcohol to the fuel and passed his '68 Chevy. The other is to adapt the '08 Chevy Truck 6.6L Duramax tailpipe configuration. I have done a poor mans version of the latter on my STAs custom exhaust system. It was really loud. No cat converter I can see. The venturi effect allows extra air to cool and dilute the exhaust. It quieted it down quite a bit with no loss of power. AZ allows you to change the engine, but with restrictions. The engine must match the vehicle catagory (light duty vs heavy duty) and must be of the same year group for the emissions category. All smog equipment on the replacement engine must be in place as installed by the OEM. So installing a 5.0L engine in a 4.0L vehicle is OK if the catagory is the same and it was smog equipped. AZ has smog tests done every two years for OBD II vehicles and for '81 - '95 vehicles (includes sniff test). New cars don't get tested for 5 years. Earlier vehicles are tested annually down to 1967, except '67 - '74 do not get inspected for tampering. The testing requirements differ for the various years. There are changes to the regs underway, if they get approved. [/QUOTE]
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SportTrac Discussion
General Sport Trac Discussion
5.0 V8 2001 Sport Trac
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