X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 25 May 2008 08:23:52 -0400 Message-ID: X-Original-Return-Path: Received: from bay0-omc3-s17.bay0.hotmail.com ([65.54.246.217] verified) by logan.com (CommuniGate Pro SMTP 5.2.3) with ESMTP id 2935495 for lml@lancaironline.net; Fri, 23 May 2008 12:10:44 -0400 Received-SPF: pass receiver=logan.com; client-ip=65.54.246.217; envelope-from=randystuart@hotmail.com Received: from hotmail.com ([65.54.168.74]) by bay0-omc3-s17.bay0.hotmail.com with Microsoft SMTPSVC(6.0.3790.3959); Fri, 23 May 2008 09:10:05 -0700 Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Fri, 23 May 2008 09:10:05 -0700 X-Original-Message-ID: Received: from 68.183.42.32 by BAY113-DAV2.phx.gbl with DAV; Fri, 23 May 2008 16:10:04 +0000 X-Originating-IP: [68.183.42.32] X-Originating-Email: [randystuart@hotmail.com] X-Sender: randystuart@hotmail.com From: "Randy" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Re: Electronic ignition spark plugs X-Original-Date: Fri, 23 May 2008 09:10:07 -0700 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_007B_01C8BCB4.CB4E2350" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 X-OriginalArrivalTime: 23 May 2008 16:10:05.0692 (UTC) FILETIME=[76D4C3C0:01C8BCEF] X-Original-Return-Path: randystuart@hotmail.com This is a multi-part message in MIME format. ------=_NextPart_000_007B_01C8BCB4.CB4E2350 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable In my 360 I use Iridium plugs with my Jeff Rose EI. They work great. Set = to .035.=20 I wouldn't use car plugs in an aviation engine. They don't work well.=20 I've seen the tips burns down fast or the ceramic crack under the = pressures.=20 One multiple failure I've seen is on a friends very low time Legacy that = has had 3 shorted coils on his LSI system.=20 This was from the Denso auto plug gaps getting larger from wear then = eventually arcing inside the coil.=20 Another failure in a 360 I've seen from auto plugs is the ceramic cracks = under full power and completely burns away the electrodes, damaging the = cylinder. Aviation plugs are made for aviation use and can take the abuse. They = last much longer and rarely fail. All the Lancair's in my group stopped = using auto plugs.=20 Uppers are Massives with a mag and lowers are Iridium with an EI.=20 Randy Stuart LNC-2 ----- Original Message -----=20 From: Dominic V Crain=20 To: lml@lancaironline.net=20 Sent: Friday, May 23, 2008 8:14 AM Subject: [LML] Re: Electronic ignition spark plugs 1. Consistent large gap. 2. Small electrodes that don't block the flame. 3. Great spark exposure to F/A mix (see 2). 4. Electrodes don't wear. 5. Great endurance. 6. Can you go wrong with a well designed moped plug? Nah! 7. Cheap - merely US$ 11 per plug (I use Denso IK27 with my Light = Speed Eng. EI). SOLD! Thanks Grayhawk Cheers Dom ------=_NextPart_000_007B_01C8BCB4.CB4E2350 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
In my 360=20 I = use Iridium=20 plugs with my Jeff Rose EI. They work great. Set to .035.=20
I wouldn't use car = plugs in an=20 aviation engine. They don't work well.
I've seen the tips = burns down=20 fast or the ceramic crack under the pressures. =
One multiple = failure I've seen=20 is on a friends very low time Legacy that has had 3 shorted coils on his = LSI=20 system.
This was from the = Denso auto=20 plug gaps getting larger from wear then eventually arcing inside the = coil.=20
Another failure in = a 360 I've=20 seen from auto plugs is the ceramic cracks under full power and = completely burns=20 away the electrodes, damaging the cylinder.
Aviation plugs are = made for=20 aviation use and can take the abuse. They last much longer and rarely = fail. All=20 the Lancair's in my group stopped using auto plugs. =
Uppers are = Massives with a mag=20 and lowers are Iridium with an EI.
 
Randy=20 Stuart
LNC-2
----- Original Message -----
From:=20 Dominic V=20 Crain
Sent: Friday, May 23, 2008 8:14 = AM
Subject: [LML] Re: Electronic = ignition=20 spark plugs

 

1.=20 Consistent large gap.

 

2.=20 Small electrodes that don't block the flame.

 

3.=20 Great spark exposure to F/A mix (see 2).

 

4.=20 Electrodes don't wear.

 

5.=20 Great endurance.

 

6.=20 Can you go wrong with a well designed moped plug? = Nah!

 

7.=20 Cheap - merely US$ 11 per plug (I use Denso IK27 with my Light Speed=20 Eng.=20 EI).

 

SOLD!

 

Thanks = Grayhawk

 

Cheers

Dom

 

 

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