X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from ms-smtp-04.southeast.rr.com ([24.25.9.103] verified) by logan.com (CommuniGate Pro SMTP 5.0.9) with ESMTP id 1133467 for flyrotary@lancaironline.net; Tue, 30 May 2006 16:35:20 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.103; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-111-186.carolina.res.rr.com [24.74.111.186]) by ms-smtp-04.southeast.rr.com (8.13.6/8.13.6) with SMTP id k4UKYMm6012926 for ; Tue, 30 May 2006 16:34:23 -0400 (EDT) Message-ID: <000901c68428$7483f0c0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Hotter spark plugs Date: Tue, 30 May 2006 16:34:31 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0006_01C68406.ED284F70" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2869 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.2869 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0006_01C68406.ED284F70 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Never tried them, Perry. I also run the standard 7/9 and get approx = 25-30 hour before lead fouling. I'll have to see if any of the auto = parts stores stock them. Probably not cheap. Ed ----- Original Message -----=20 From: Perry Mick=20 To: Rotary motors in aircraft=20 Sent: Tuesday, May 30, 2006 2:58 PM Subject: [FlyRotary] Hotter spark plugs Learn something new every day... Through a little googling I found out there are hotter plugs available = for the RX-7. Standard 2nd gen plugs are BUR7EQ leading and BUR9EQ = trailing. However these are considered "cold" for highway driving. For = street the "hot" plugs are BUR6EQ leading and BUR8EQ trailing. See the Mazdatrix website. Has anyone run the BUR6EQ/BUR8EQ combination in an airplane? I've run = the standard 7/9 combo for years now, except I tried the platinum = versions once, hoping for longer life (didn't happen). I expect the = hotter plugs may have shorter life, but might do better burning through = 100LL deposits? Perry ------=_NextPart_000_0006_01C68406.ED284F70 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Never tried them, Perry.  I also run the = standard 7/9=20 and get approx 25-30 hour before lead fouling.  I'll have to see if = any of=20 the auto parts stores stock them.  Probably not cheap.
 
Ed
 
----- Original Message -----
From:=20 Perry = Mick=20
Sent: Tuesday, May 30, 2006 = 2:58 PM
Subject: [FlyRotary] Hotter = spark=20 plugs

Learn something new every day...
 
Through a little googling I found out = there are=20 hotter plugs available for the RX-7. Standard 2nd gen plugs are BUR7EQ = leading=20 and BUR9EQ trailing. However these are considered "cold" for highway = driving.=20 For street the "hot" plugs are
BUR6EQ leading and BUR8EQ = trailing.
 
See the Mazdatrix website.
 
Has anyone run the BUR6EQ/BUR8EQ = combination in an=20 airplane? I've run the standard 7/9 combo for years now, except I = tried the=20 platinum versions once, hoping for longer life (didn't happen). I = expect the=20 hotter plugs may have shorter life, but might do better burning=20 through 100LL deposits?
 
Perry
 
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