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Date: Tue, 30 May 2006 15:17:52 -0700 (PDT)
From: Perry Mick <pjmick@verizon.net>
Subject: Re: [FlyRotary] Hotter spark plugs
To: flyrotary@lancaironline.net
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Hi Ed,
  On the Mazdatrix site it looks like they are only about 50% more. I imagine few auto parts stores stock them, they usually charge more if they have to special order. I just installed new plugs a couple weeks ago so it may be awhile before I try them. I get about 50-60 hours on a set of leading plugs before the electrode wears, using mogas. Then I get the SAG.
  Perry
   
   
  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 ----- 
  From: Perry Mick 
  To: Rotary motors in aircraft 
  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

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<div>Hi Ed,</div>  <div>On the Mazdatrix site it looks like they are only about 50% more. I imagine few auto parts stores&nbsp;stock them,&nbsp;they usually charge more if they have to special order. I just installed new plugs a couple weeks ago so it&nbsp;may be awhile before I try them. I get about 50-60 hours on a set of leading plugs before the electrode wears,&nbsp;using mogas. Then I get the SAG.</div>  <div>Perry</div>  <div>&nbsp;</div>  <div>&nbsp;</div>  <DIV><FONT face=Arial>Never tried them, Perry.&nbsp; I also run the standard 7/9 and get approx 25-30 hour before lead fouling.&nbsp; I'll have to see if any of the auto parts stores stock them.&nbsp; Probably not cheap.</FONT></DIV>  <DIV><FONT face=Arial></FONT>&nbsp;</DIV>  <DIV><FONT face=Arial>Ed</FONT></DIV>  <DIV>&nbsp;</DIV>  <BLOCKQUOTE dir=ltr>  <DIV>----- Original Message ----- </DIV>  <DIV><B>From:</B> <A title=pjmick@verizon.net href="mailto:pjmick@verizon.net" target=_blank>Perry Mick</A> </DIV> 
 <DIV><B>To:</B> <A title=flyrotary@lancaironline.net href="mailto:flyrotary@lancaironline.net" target=_blank>Rotary motors in aircraft</A> </DIV>  <DIV><B>Sent:</B> Tuesday, May 30, 2006 2:58 PM</DIV>  <DIV><B>Subject:</B> [FlyRotary] Hotter spark plugs</DIV>  <DIV><BR></DIV>  <DIV>Learn something new every day...</DIV>  <DIV>&nbsp;</DIV>  <DIV>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<BR>BUR6EQ leading and BUR8EQ trailing.</DIV>  <DIV>&nbsp;</DIV>  <DIV>See the Mazdatrix website.</DIV>  <DIV>&nbsp;</DIV>  <DIV>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&nbsp;shorter life, but might do better burning
 through&nbsp;100LL deposits?</DIV>  <DIV>&nbsp;</DIV>  <DIV>Perry</DIV></BLOCKQUOTE>
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