new plugs
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2009-2014 Cadillac CTS-V Performance Mods Discussion, new plugs in Cadillac CTS-V Series Forum - 2009-2014; I'm probably going to be putting headers on my coupe to hook up to my cat back system I already ...
  1. #1
    thegraham77 is offline Cadillac Owners Member
    Automobile(s): 2011 CTS V Coupe Thunder Gray ChromaFlair
    Join Date
    Jul 2012
    Location
    Iowa
    Posts
    47

    new plugs

    I'm probably going to be putting headers on my coupe to hook up to my cat back system I already put on. I also have 2.55 upper, cai, id850 injectors and a tune.
    Anyone recommend TR6 or TR7 plugs? Should I lean toward one over the other? What are the differences?

    Thanks for the input.

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  3. #2
    CADZLA RETURNS is offline Cadillac Owners Member
    Automobile(s): 09 CTS-V Blown by Ed Hutchings, 08 Escalade
    Join Date
    Aug 2012
    Location
    Chicago South Burbs
    Age
    32
    Posts
    74

    Re: new plugs

    I believe that most guys are running TR7s or TR7ix. Some are using BR7EF but its a retracted tip plug that makes sense if spraying nos. I'd run TR7's gapped at .030. I believe the number is BP7EFS & 3526.

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