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  1. #1
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    Default Primary light off cataylst on L6 exhaust manifold

    There is a canister attached to the exhaust manifold on my 3.3 liter 200 cid inline 6 , 1981 Capri .

    Below 2 pictures found on FEP thread "Exhaust manifold interchange "OP scott K 04-30-2018.

    My engine still has this primary light off catalytic converter on the exhaust manifold . This is a 4 and 1 /4 inch exhaust outlet. Need to think about all options , keep this cat /can or a new Scott Drake HF exhaust manifold . What have you done ? Name:  699CB3F8-077B-44B4-AEF3-ED0EE7EC354B.jpeg
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    Last edited by 1981 Capri; 10-17-2022 at 11:19 AM.

  2. #2
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    this picture i found on FEP thread "Foxbody 200 straight six " date 09-06-2016
    Last edited by 1981 Capri; 10-17-2022 at 11:17 AM.

  3. #3
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    This exhaust manifold is sought after ! Found this on an engine forum . Link says you can make a 3 inch out single or make a dual exhaust out of the cat /can and other options for dual .

    https://fordsix.com/threads/late-mod...nifolds.83797/
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    Last edited by 1981 Capri; 10-18-2022 at 07:48 PM.

  4. #4
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    Fox bodies , 1981 to 1983 have the sought after 200 cid inline 6 Big Bell . https://fordsix.com/threads/200ci-bi...estions.68983/ link says the cat /can on manifold indicates a Big Bell . So above links say if you have this odd looking cat /can on exhaust manifold you have 2 sought after things , the manifold and the big bell .
    Last edited by 1981 Capri; 10-18-2022 at 07:25 PM.

  5. #5
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    There are Scott Drake exhaust manifolds that will replace the cat / can large exhaust manifold , so there are more options . My OP post started as a question what are the options? i must keep exploring options , So i went to fordsix.com to get info . so now this thread has turned into a " how to" as i keep finding more info to share . Link says the Scott Drake part number C30Z-9430-HF will fit my 1981 200cid inline 6 . The HF has a 2 inch outlet . But if you have the cat / can you could have a 3 inch out let or duals . .catalytic-converter-attached-to-exhaust-manifold-on-ford-in-line-6.84048 Thanks bubba and chad for this info
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