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post #1 of (permalink) Old 03-02-2003, 07:43 PM
gregcs
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CJ7 Catalytic Converter (requirements?)

Hello,

I am about to purchase a 77 CJ7 which currently does not have a catalytic convert. In my state of Virginia I believe a catalytic converter is required unless the vehicle did not come with one stock? I'm not exactly sure of the requirements, but that is what someone told me.

Did the 77 CJ7 come with a catalytic converter when it was manufactured or did they not come with a catalytic converter until later?

I need to make sure I am legal for my state. Someone said I could tag it as an antique, but I belive that limits my driving distances or something like that.

Thanks in advance!
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post #2 of (permalink) Old 03-02-2003, 07:58 PM
 
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Re: CJ7 Catalytic Converter (requirements?)

you are better off to check it out with the inspection people in your state, Rather than rely on second hand information. get it in writing or a refrence to the law that applies .One guy may tell you one thnig , till you go to inspection and then they fail you, then it is too late, for he said.... she said crap...they will not want to hear it .and you will need to get it fixed...
If it is the case use it as a bargening chip to get the price knocked down...call a few places for a quote then present it to the seller...even if you can do it yourself ,,,,he don't need to know that.

However with all that said, you had better check all the rest of the smog stuff before you buy, look inside the air filter (box) for signs of oil / blow by. ...if the cat is missing most likley all the rest is gone too and you may be better off passing this one up...or you will be spending alot of money and /or time to replace all that stuff.
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post #3 of (permalink) Old 03-02-2003, 08:15 PM
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Re: CJ7 Catalytic Converter (requirements?)

Thanks for the reply... I know in my city there are a large amount of Jeepers who have changed out engines with 350's or other and they don't have any problem getting inspected. I know they have had catalytic converters installed, but most don't have all that smog stuff hooked up and they pass inspection. Most places ignore the engine... as long as it is running smooth and not putting out smoke. Now the CAT is a visible... everyone can see it item... so they are pretty strict about it. I just didn't know if the 77 CJ had one stock.

Again thanks for the reply.
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post #4 of (permalink) Old 03-03-2003, 07:27 AM
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Re: CJ7 Catalytic Converter (requirements?)

Greg, in '78 the 49-state sixes did not have a converter, so a '77 six won't either. The '78 V8s, and maybe California sixes, did have a converter, and I think that '77s were the same. '78 sixes did have EGR, air injection pump, and several other emission controls.
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post #5 of (permalink) Old 03-03-2003, 11:38 AM
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Re: CJ7 Catalytic Converter (requirements?)

I still have a '77 CJ-7 that I purchased in 1979. My research indicates that they were not equiped with cats. Be careful about the other devices, mine was stripped by a previous owner and I didn't realize it. However it passed the test every year and is so old now that it does not require testing in Georgia.

post #6 of (permalink) Old 03-03-2003, 01:57 PM
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Re: CJ7 Catalytic Converter (requirements?)

Does your gas filler only take the smaller nozzle, or can you tell if somebody has yanked it out? Regular gas from what I have heard, "Clog the cat and can start a fire". So cats they put the restrictor in there so regular gas won't go in. Fire is not good. There's another 2 cents in the discussion.



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post #7 of (permalink) Old 03-03-2003, 02:58 PM
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Re: CJ7 Catalytic Converter (requirements?)

Actually, although my '78 didn't have a catylist, it was an unleaded-only vehicle, with the label above the filler neck and on the gauge. I think that they were counting on the longer spark plug life to keep the engine clean longer.
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