Walter:

Is that recommendation (fine wire) for Turbo Normalized as well as Turbo Charged?

On Saturday, February 11, 2012, Colyn Case <colyncase@earthlink.net> wrote:
> Lorn,   you must have missed this.
> I've included an alternate link to what Ron put in because I couldn't get that to work.
> This is a very interesting read.
> The problem was actually found on Champion plugs.
> TAT is recommending Champion massives.   It looks to me like TAT likes the 29 heat range and that Tempest doesn't make one of those.
> I'll seek clarification from Walter.
> Other very interesting stuff in this article:  pictures of affected cylinders; pictures of the monitor trace; what to do if you see that kind of a trace in flight.
> http://www.taturbo.com/TATSR22-SB11-05%20fine%20wire%20spark%20plugs%20initial%20release%20sept%2023%202011.pdf
>
> Begin forwarded message:
> From: Ron Laughlin <ronlaughlin@gmail.com>
> Date: February 9, 2012 10:29:21 AM EST
> To: lml@lancaironline.net
> Subject: [LML] Re: Tempest spark plugs
> Reply-To: "Lancair Mailing List" <lml@lancaironline.net>
>
> Don't know if anyone brought this up yet but Tornado Alley Turbos has
> recently issued an "mandatory" service bulletin on fine wire plugs.
> Apparently they are more prone to insulator cracks than the massives.
> When the insulation falls off they turn into "glow plugs" and can lead
> to a detonation event. I think George has documented this. Here's the
> SB:
>
> <TATSR22-SB11-05 fine wire spark plugs initial release sept 23 2011.pdf>
>
> Ron
>
>
>
> On Wed, Feb 8, 2012 at 11:37 AM, Tim Olson <Tim@myrv10.com> wrote:
>
> The fine wire plugs are pretty darn durable.  Mine are
>
> the Unison (now tempest) ones.  I find that they're easier
>
> to clean with the walnut chip blaster because without the
>
> massive side electrodes, it's much easier to get down in
>
> them to clean them.  They run real well for me.  For my
>
> dollar, I'll go Tempest fine wire for sure.  There's nothing
>
> magical about the Champions, and in fact you're just
>
> sticking with something older at that point when there is
>
> "new improved" available.  The resistors alone are a good
>
> reason to switch.
>
> FWIW, I did the same thing with oil filters.  After buying
>
> 2 each of Champion, Kelly, and Tempest, I now only buy
>
> Tempest oil filters.  The Kelly filters were just too
>
> flimsy.  The champion are higher price with lower
>
> quality features.
>
> Tim
>
> On 2/8/2012 7:05 AM, Art Jensen wrote:
>
> Lorn,
>
> Talked with Linda today. Still don't know the benefits of using fine
>
> wire (Iridium) versus massive other than price. Champion massive are
>
> $26.95 versus Tempest massive at $22.75. Champion fine wire (Iridium)
>
> $89.95 versus Tempest fine wire (Iridum) at $49.50. These prices are
>
> from Aircraft Spruce.
>
> I like the idea of the center electrode and resistor being fused
>
> together as one piece. That new design is found in both types of plugs
>
> made by Tempest. The price difference between the two types of plugs
>
> should be no factor since the Fine wire (Iridium) are supposed to last
>
> 1000 hours or more than the massive.
>
> According to Linda, the platinum plugs are no longer being manufactured.
>
> I have a call in to tech. Support at Champion but have not heard back
>
> from them yet.
>
> Art Jensen
>
>
> ------------------------------------------------------------------------
>
> *From: * Lorn
>