Catalytic
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HT4100 4.1, 4.5, 4.9 Discussion, Catalytic in Cadillac Engine Technical Discussion; Can anyone tell me the laws restricting self installed catalytic converters?. Source online say "no you may not do it ...
  1. #1
    MrDobin is offline Cadillac Owners Fanatic
    Automobile(s): 1985 Cadillac Seville Elegante
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    Catalytic

    Can anyone tell me the laws restricting self installed catalytic converters?. Source online say "no you may not do it yourself" but others say go for it. As well there is plenty of places to buy your own. so im not sure how it can be illegal if purchasing is. I am not currently concerned with burning up the car or exhaust issues as it is 10 degrees or less here in Minnesota currently. Part appears to be 50-60 for average.

    Also, what is involved with installation? looks to be a few bolts and some prying.

    Thanks all.

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  3. #2
    steelybill is offline Cadillac Owners Enthusiast
    Automobile(s): '85 Fleetwood FWD
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    Re: Catalytic

    I figure that as long as there is a converter on there, and it's for that car, what's the big deal. Getting it changed may be somewhat of a hassle though. You may wish you would have had it done at a muffler shop, unless you have some tools to work with, like a torch etc.

  4. #3
    MrDobin is offline Cadillac Owners Fanatic
    Automobile(s): 1985 Cadillac Seville Elegante
    Join Date
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    Age
    25
    Posts
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    Thread Starter

    Re: Catalytic

    Yea after some research it appears install of a direct fit OEM part wouldnt be a huge hassle after lifting the car. The odd thing though is the fume escape has stopped, its mid winter and was below zero all day. Could snow kicked up into the under body make temporary smoking or what would allow the converter to spew then seize doing so later?. Even revving the engine now I do not see any fumes escaping it.

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