Davidson County Emissions Testing
Logistics Pro
Joined: May 2004
Posts: 4,998
Likes: 131
From: Maryville
The year starts with 1975, if it came from the factory with a cat, you gotta put it back on, mileage desides the amount of allowable emissions.
I've seen running alcohol affects the output, you can make a vehicle pass running it in the tank, in laws have a Ranger with near 600,000 miles on the little 4 banger, won't pass without it.
I've seen running alcohol affects the output, you can make a vehicle pass running it in the tank, in laws have a Ranger with near 600,000 miles on the little 4 banger, won't pass without it.
Fleet Owner
Joined: Aug 2001
Posts: 29,941
Likes: 46
From: Drummonds, TN USA
They are probably modelling everything after the California system - in which case you can't put an engine older than the vehicle in it.
What the vehicle itself came with is the standard - they shouldn't be able to jump Ya for having a more up to date engine. But if they see smog devices in a machine that did not come with them, they will assume it belongs there every single time!
Sometimes you have to tell them it was not original to the machine.
In the late seventies, I put together a 64 Chevy II for my Dad, and California had a kit for adding a thermal cut-out to the distributor vac lines (prevented advance before the engine reached operating temperature.). This went on for a year, and then the law changed to "Vehicles are not required to add devices that they were not originally designed with".
In other words - you can't be forced to add smog equipment to a non-smog year.
Something else - Tipton County does not yet require smog testing, but there are rumours. This is why I have a complete system stashed away for my 82, including the EGR pipe for the back of the heads, which are currently capped and the pipe not installed.
The Air Injection Reaction pump is mounted on the block, but just so the pulley is in place for the serpentine belt.
What the vehicle itself came with is the standard - they shouldn't be able to jump Ya for having a more up to date engine. But if they see smog devices in a machine that did not come with them, they will assume it belongs there every single time!
Sometimes you have to tell them it was not original to the machine.
In the late seventies, I put together a 64 Chevy II for my Dad, and California had a kit for adding a thermal cut-out to the distributor vac lines (prevented advance before the engine reached operating temperature.). This went on for a year, and then the law changed to "Vehicles are not required to add devices that they were not originally designed with".
In other words - you can't be forced to add smog equipment to a non-smog year.
Something else - Tipton County does not yet require smog testing, but there are rumours. This is why I have a complete system stashed away for my 82, including the EGR pipe for the back of the heads, which are currently capped and the pipe not installed.
The Air Injection Reaction pump is mounted on the block, but just so the pulley is in place for the serpentine belt.
Last edited by Greywolf; Feb 8, 2006 at 08:59 AM.
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