X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 1 [X] Return-Path: Received: from [66.219.56.248] (HELO qnsi-xch.qnsi.net) by logan.com (CommuniGate Pro SMTP 5.1.3) with ESMTP id 1624408 for flyrotary@lancaironline.net; Thu, 30 Nov 2006 10:45:19 -0500 Received-SPF: none receiver=logan.com; client-ip=66.219.56.248; envelope-from=bhughes@qnsi.net X-MimeOLE: Produced By Microsoft Exchange V6.5.6944.0 Content-class: urn:content-classes:message Return-Receipt-To: "Bobby J. Hughes" MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="----_=_NextPart_001_01C71496.70362016" Disposition-Notification-To: "Bobby J. Hughes" Subject: MSD coils - Plug Fouling... again. Date: Thu, 30 Nov 2006 09:44:36 -0600 Message-ID: X-MS-Has-Attach: yes X-MS-TNEF-Correlator: Thread-Topic: MSD coils - Plug Fouling... again. Thread-Index: AccUlnBDDiJZW7AoQ1qyQO9FDR6biw== From: "Bobby J. Hughes" To: "Rotary motors in aircraft" This is a multi-part message in MIME format. ------_=_NextPart_001_01C71496.70362016 Content-Type: multipart/alternative; boundary="----_=_NextPart_002_01C71496.70362016" ------_=_NextPart_002_01C71496.70362016 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable From Lynn's post. =20 We need not do that anymore because we have the Mallory Hifire or MSD ignition systems where we can insert over one amp of electrical energy into the plugs per thousand RPM. The rise times are so short and voltages are so high, that even a carbon fouled plug fires=20 We use the NGK R6725-115 plugs, gapped at .010". They have a retracted gap and fine wire electrodes. The heat range is ice cold. I have never fouled one. We use a MSD for leading and trailing. Even driving slowly to the false grid on a cold morning, no problems. =20 =20 Lynn, =20 These LS1 replacement coils have 3 times the energy of the stock coils and fire in a shorter time. Could these be worth testing if Tracy's controller is compatible?=20 =20 Bobby =20 =20 =20 ------_=_NextPart_002_01C71496.70362016 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

From = Lynn's=20 post.

We need not do that anymore because we have the Mallory Hifire or = MSD=20 ignition systems where we can insert over one amp of electrical energy = into the=20 plugs per thousand RPM. The rise times are so = short and=20 voltages are so high, that even a carbon fouled plug fires =

We use=20 the NGK R6725-115 plugs, gapped at .010". They have a retracted gap and = fine=20 wire electrodes. The heat range is ice cold. I have never fouled one. We = use a=20 MSD for leading and trailing. Even driving slowly to the false grid on a = cold=20 morning, no problems.

Lynn,

These = LS1=20 replacement coils have 3 times the energy of the stock coils and fire in = a=20 shorter time. Could these be worth testing if Tracy's = controller is=20 compatible?

Bobby

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