X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imo-m18.mx.aol.com ([64.12.138.208] verified) by logan.com (CommuniGate Pro SMTP 5.0.6) with ESMTP id 931666 for flyrotary@lancaironline.net; Wed, 18 Jan 2006 14:14:33 -0500 Received-SPF: pass receiver=logan.com; client-ip=64.12.138.208; envelope-from=WRJJRS@aol.com Received: from WRJJRS@aol.com by imo-m18.mx.aol.com (mail_out_v38_r6.3.) id q.2a0.403e040 (15862) for ; Wed, 18 Jan 2006 14:13:43 -0500 (EST) Received: from FWM-M20 (fwm-m20.webmail.aol.com [64.12.168.84]) by air-id06.mx.aol.com (v108_r1_b1.2) with ESMTP id MAILINID61-3df643ce935c2f3; Wed, 18 Jan 2006 14:13:36 -0500 Date: Wed, 18 Jan 2006 14:13:32 -0500 Message-Id: <8C7EA7A6839FC85-B18-149E@FWM-M20.sysops.aol.com> From: wrjjrs@aol.com References: Received: from 66.127.99.234 by FWM-M20.sysops.aol.com (64.12.168.84) with HTTP (WebMailUI); Wed, 18 Jan 2006 14:13:32 -0500 X-MB-Message-Source: WebUI X-MB-Message-Type: User In-Reply-To: X-Mailer: AOL WebMail 15106 Subject: Re: [FlyRotary] Re: LS1 Coil Failures Content-Type: multipart/alternative; boundary="--------MailBlocks_8C7EA7A6839FC85_B18_1487_FWM-M20.sysops.aol.com" MIME-Version: 1.0 To: flyrotary@lancaironline.net X-AOL-IP: 64.12.168.84 X-Spam-Flag: NO ----------MailBlocks_8C7EA7A6839FC85_B18_1487_FWM-M20.sysops.aol.com Content-Type: text/plain; charset="us-ascii" Rusty, Early LS-1's mounted the coils on the valve cover, ie. directly on the engine. Bill Jepson -----Original Message----- From: Russell Duffy To: Rotary motors in aircraft Sent: Wed, 18 Jan 2006 10:21:46 -0600 Subject: [FlyRotary] Re: LS1 Coil Failures On 1/18/06, William wrote: Could the problem be due to high frequency vibration of the coils since Tracy has them mounted on the engine? (I know -- rotary's don't vibrate -- But they do actually, just less than recips -- but at a higher frequency?) Bill Schertz KIS Cruiser # 4045 The 3rd gen RX-7 mounted the coils on top of the engine, under the intake, and they had a number of failures that were generally thought to be heat related. I'd have to bet the heat in that area on the stock FD was much worse than Tracy's 180 degrees. Does anyone know how the LS-1 coils are mounted on a Corvette? Do they get any cooling at all? I should have some of these on my truck, but can't say I ever looked to see how they were mounted. Rusty (replying with G-mail web mail) ----------MailBlocks_8C7EA7A6839FC85_B18_1487_FWM-M20.sysops.aol.com Content-Type: text/html; charset="us-ascii"

Rusty, Early LS-1's mounted the coils on the valve cover, ie. directly on the engine.

Bill Jepson

-----Original Message-----
From: Russell Duffy <russell.duffy@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Wed, 18 Jan 2006 10:21:46 -0600
Subject: [FlyRotary] Re: LS1 Coil Failures

On 1/18/06, William <wschertz@ispwest.com> wrote:

Could the problem be due to high frequency vibration of the coils since Tracy has them mounted on the engine? (I know -- rotary's don't vibrate -- But they do actually, just less than recips -- but at a higher frequency?)

Bill Schertz
KIS Cruiser # 4045

The 3rd gen RX-7 mounted the coils on top of the engine, under the intake, and they had a number of failures that were generally thought to be heat related. I'd have to bet the heat in that area on the stock FD was much worse than Tracy's 180 degrees. Does anyone know how the LS-1 coils are mounted on a Corvette? Do they get any cooling at all? I should have some of these on my truck, but can't say I ever looked to see how they were mounted.

Rusty (replying with G-mail web mail)

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