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Recent content by jkg

  1. J

    CT5-V engine surge / "porpoising"

    I dont know your car in particular, but i would suggest driving the car, and being a little careful to avoid the known issue- part throttle under mild to moderate load while the engine water temp is below 180. (driving up a hill/incline is typical) I don't drive my car aggressively until it is...
  2. J

    CT5-V winter wheel tire review

    yes, obviously these tires are much more narrow than stock blackwing rear tires. in the snow, that is probably desirable. i can rotate them year to year this way
  3. J

    CT5-V winter wheel tire review

    i found the original post from 15 months ago: https://www.cadillacvnet.com/forums/threads/winter-wheels-and-tires.1856/page-8#post-22270
  4. J

    CT5-V winter wheel tire review

    here is a summary of my parts: wheels drag wheels DR-80 19x9.5, 5x120 pattern tires nokian hakkapellitta 275/35-19 - i only could find them from one vendor on amazon although they are probably available lots of places earlier in season. i found simpletire.com nice to work with the year before...
  5. J

    CT5-V winter wheel tire review

    Hello all - since a few people have asked me over time, here is what my winter solution has been: Drag wheels DR-80 wheels (19x9.5") with Nokian hakka snow tires 275/35 - 19. they need hub rings 73 x 67.1 mm the wheels are relatively inexpensive (made in china) but clear the brake calipers...
  6. J

    For Sale V2 front rotors used for free

    I would love to see someone put them to good use
  7. J

    CT5-V engine surge / "porpoising"

    my problem has been the same as you describe it. it still happens once in a great while, even after the dealer fix.
  8. J

    CT5V BW exhaust

    i am thrilled with the sound of the cutouts in this car just perfect for me. can modulate sound by spacing them. wide open at track was awesome too
  9. J

    CT5V BW exhaust

    well, here is what I did https://www.cadillacvnet.com/forums/threads/ct5-exhaust.2146/#post-22633
  10. J

    CT5V BW exhaust

    The cut outs have a block off plate to cap Them off. The washers go under the plate to space it open a fraction of an inch to make some more noise. I’m sorry I don’t have an easy link, but there is a posting from me from about six or eight months ago that shows pictures and the description of...
  11. J

    CT5V BW exhaust

    Sorry this does not maintain the different sound modes, which are due to valves inside the muffler.
  12. J

    CT5V BW exhaust

    Look for my post many months ago. I put cut outs in front of the muffler. Cheap. Sounds amazing when wide open. I put washers as spacers under the block off plate for day to day. Then it’s loud but not too overwhelming. These are not electric valves. I just used cutouts.
  13. J

    CT5-V engine surge / "porpoising"

    IF the problem is the same as mine, (intermittent, sporadic engine surging causing the car to "porpoise" then tell them to speak to cadillac technical support and open a technical assistance case. the engineers will tell them what to do witout demonstrating the problem. for my repair, as...
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