Mailing List flyrotary@lancaironline.net Message #48847
From: Rino <lacombr@nbnet.nb.ca>
Subject: Re: [FlyRotary] Re spark plugs
Date: Thu, 22 Oct 2009 19:23:57 -0300
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
I changed my plugs for new ones (NGK iridium), same as the old ones.  No difference in performance, there is some roughness that I am trying to correct, but I cannot find it.
 
Rino
----- Original Message -----
From: Al Gietzen
Sent: Wednesday, October 21, 2009 12:03 PM
Subject: [FlyRotary] Re spark plugs

 

I have at least 60-70 hrs on the Iridium plugs and they are performing flawlessly.  I pulled them out and took a look a few hours ago and they looked great, so I put them back in.  As far as I'm concerned, Iridiums are the only plugs I will use from here on.  This could change if I have to start burning 100LL.

 Mark S.

 

Mark,

Are you using the Denso IRT 0131 plug?  I looked at those, but I can get 6 sets of the NGK B9EGV for the same amount of money, and get some change back. I change them at about 35 - 40 hours, or a less if I burn a couple tanks of 100LL. But I guess if the iridium will go 200 hours it would be worth the cost.

 

Al G

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