X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtp106.sbc.mail.re2.yahoo.com ([68.142.229.99] verified) by logan.com (CommuniGate Pro SMTP 5.2.8) with SMTP id 3181606 for flyrotary@lancaironline.net; Sun, 21 Sep 2008 20:09:41 -0400 Received: (qmail 62553 invoked from network); 22 Sep 2008 00:09:41 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=sbcglobal.net; h=Received:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:From:To:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE; b=y/c7ONlAecSRntQ3Ro847m8e4tO5W2Px/fDPKjA9+3MuzMFBMOxTqT66g8+vT/egZsW+8nEoxtGl3PPcO1TwoIFBiUmpZ1bltzaqiRrKq7ZveAv7Bv3zVu7OFBOuXSt9Zh6lbAyIIuwfrmM3pX2junuIDAXC70JAIcbNTEBP3Hw= ; Received: from unknown (HELO mom) (downing.j@75.40.232.191 with login) by smtp106.sbc.mail.re2.yahoo.com with SMTP; 22 Sep 2008 00:09:41 -0000 X-YMail-OSG: gLmK7EgVM1mcMOgcdWHAH7s0qmFvS3kKBCdc4W1JC7VcRkf6BcE6ood11aAwj53707SkUKdQwZH9FRkuP8rRmyJX70uEeBKUaiOGXU5EtkMqc.U1CVROFm9c_aUMarylmfr_HKdK X-Yahoo-Newman-Property: ymail-3 Message-ID: <001401c91c48$d6eab9a0$4001a8c0@gateway.2wire.net> From: "John Downing" To: "flyrotary" Subject: Manifold vacuum gauge Date: Sun, 21 Sep 2008 20:19:11 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0011_01C91C27.4EEE1D60" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1409 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1409 This is a multi-part message in MIME format. ------=_NextPart_000_0011_01C91C27.4EEE1D60 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Today I sorted out the wiring and everything is now working. The only = problem is that the manifold vacuum gauge is reading backwards. I tried = changing the plus-minus wires around on the back of the gauge and it = reads nothing, even with vacuum applied. The question is what happens = if I switch the power and ground wires around, does that do anything = besides blow the fuse or the gauge. Will run the engine again tomorrow = with the ole steam gauge and try and get a start on the EC2 tuning.=20 One other question, does the vacuum lines to the EC2 need some kind of = pulse chamber, like a small fuel filter or orifice in each line. JohnD ------=_NextPart_000_0011_01C91C27.4EEE1D60 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Today I sorted out the wiring and = everything is now=20 working. The only problem is that the manifold vacuum gauge is = reading=20 backwards. I tried changing the plus-minus wires around on the = back of the=20 gauge and it reads nothing, even with vacuum applied. The question = is what=20 happens if I switch the power and ground wires around, does that do = anything=20 besides blow the fuse or the gauge. Will run the engine again = tomorrow=20 with the ole steam gauge and try and get a start on the EC2=20 tuning.

One other question, does the = vacuum lines to=20 the EC2 need some kind of pulse chamber, like a small fuel filter or = orifice in=20 each line. JohnD

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