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i have a 79 bronco custom with a 351m and i want to put headers on it and run duals out sides before the rear tires. my friend has a 78 f-250 with headers, no cat, and dual cherry bombs and he was able to get his truck inspected without his catalytic convertor. i was wondering if i could legally do the same thing he did to his truck because, even though my bronco is a 79 with the emissions restrictions, the engine in it is out of a 77 f-250. in 77 there were not the same restrictions. the truck that my engine came out of originally did not have a cat so i figure that i can do the same thing my friend did to his 78, to my 79 with a 77 engine. i really need help on this one. i cannot find out what the new york state emissions laws say about vehicle year vs. the year of the engine in the vehicle. i am lost here people.
p.s. if you are going to reply to this and talk about saving the environment and how stupid taking off a catalytic convertor is, then please do not post. my mind is made up on this decision and i need real advice.
I have to agree with Parks on this one, unless you call the emissions group in NY and get an answer. My thinking is that the year of the vehicle is the driving force for inspection, you don't register the engine but the truck... It pays to know people in the right places .
--Mike G
There is not a legal way around it. Go here this will answer your questions.
The reason why your buddy was able to pass emissions "without catalytic converters" is the 78's did not come with cats, all that started in '79.
Even though you have an engine out of a '77 you still have to comply with it or as the EPA says A motor vehicle must be maintained in a proper
certified engine-chassis configuration.
Last edited by christop43; Nov 25, 2003 at 03:25 PM.
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