Has this happened to you??? OAK

Robzheat Posted By Robzheat, Oct 13, 2010 at 1:49 AM

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  1. Robzheat

    New Member 2.

    Sep 30, 2006
    While measuring the intake on my Harman XXV to find a pipe to attached for my OAk system, I noticed a whistling noise when my tape measure was in front of the intake. Is the intake that sensitive that the width of a tape makes it whistle? I said no, must be a fluke. Well, I found a 3" pipe which fits over the intake, so you would assume there would be no air restriction, because the one Im adding is bigger in diameter. Well as soon as I put on a 6" in length (trial run) piece to see if it would fit it started to whistle again. What am I doing wrong? Help. Am I just listened to closely??
  2. smwilliamson

    Minister of Fire 2.

    Dec 28, 2009
    Southcoast, MA
    The whistle will not be present with a longer run I would think. Is the stove virgin? Under heated fire the draw is naturally lower too.
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