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  1. clhyer

    dual exhaust system question

    I have a 318 with stock manifolds. I had a local muffler shop build the system. As cheap or cheaper than buying the parts and doing it myself. C
  2. clhyer

    1970 318 duster exhaust question???

    Your local exhaust guy should be able to give you the stock looking turn downs if you ask. I thought I had a better pic, but you get the idea. C
  3. clhyer

    Exhausting day at the Y

    That's a pretty interesting driver's side manifold. I wonder what size it is? I have a set from an '88 Gran Fury, but the drivers side dropped down instead of upswept. I wanted to use them on my Duster cause they were a lot larger than the stock 318 manifolds I had. Unfortunately the drivers...
  4. clhyer

    Exhaust manifold leaks

    I would start with an exhaust manifold gasket set, it is fairly cheap and an easy task to place them on the passenger side. As far as the rattle with the heat riser, you can wire it open to stop the rattle. It would not stop an exhaust leak, but would stop the rattle so that you could isolate...
  5. clhyer

    Old school exhaust tips

    I must admit, I didn't really understand much of what you have said. I would like to see some pic though... C
  6. clhyer

    A body muffler hanger...

    What size is that hole? I think I have one avail. if it's the right size. Shoot me a PM with your email and I'll send you a pic. C
  7. clhyer

    manifold dress up

    There are high temp powder coats now, maybe Leanna can shed some light on this for you. C
  8. clhyer

    Popping in exhaust

    Done a tune-up recently, or had any other reason that your plug wires may have gotten crossed up? That would be my first guess, and one that doesn't take any money to diagnose and correct. C
  9. clhyer

    Exhaust manifold coatings

    You can now have them powder coated with a high heat pc. C
  10. clhyer

    Exhaust manifold questions

    Well, I have the answer to 1 of the 4 questions. The O2 sensor should be a metric 18mm x 1.5 thread pitch. Summit carries this plug: http://www.summitracing.com/parts/SUM-G2990-1/ Our local ACE carries an oil drain plug with these same measurements, I will pick one up there, for about $3.00...
  11. clhyer

    Exhaust manifold questions

    Good morning, I have two sets of exh. manifolds to choose from, an older set of A body 318's and a later model set from an '88 M body 318. The first question is what are all the extra holes on the later manifold. They were all plugged up from crap and could not have helped anything. The...
  12. clhyer

    Progress!

    Lookin' good! C
  13. clhyer

    318 stock exhaust manifold questions

    It may not be necessary where I live (Georgia). I have an older Pontiac and just wired it open. On a really cold day it is bothersome for a short time, but we seldom drive it in cold wx anyhow... For my Duster, I wanted to have it working - at least at the beginning. C
  14. clhyer

    318 stock exhaust manifold questions

    I will check that out tomorrow, thanks! C
  15. clhyer

    318 stock exhaust manifold questions

    Two actually: 1. The heat riser has a coiled spring attached to the weight. On my manifold there is what appears to be a second spring end which is not attached to anything. Where does it go? See pic. 2. On the opposite side of the weight there are two "posts". One is the rod that the...
  16. clhyer

    does this look like it works?

    What is the benefit, and how does it work? Thanks, C
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