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Date: Thu, 26 Jan 2012 08:42:23 -0500
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Subject: Re: [LML] Champion Spark Plug Resisters
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From: paul miller <paul@tbm700.com>
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I will try to find some old plugs. That was my first thought but I have no s=
pares.  There should be some here at the airport.  Thank you.

Paul

On 2012-01-25, at 19:06, Lorn H Olsen <lorn@dynacomm.us> wrote:

> Paul,
>=20
> When the Champion resisters go high, new plugs are not needed. Resisters c=
an be taken from old massive plugs. I change my resisters on the Iridium plu=
gs whenever they go high. I have more than 1,000 hours on the plugs and they=
 look like new. All of the resisters have been changed at least once.
>=20
> Lorn
>=20
>> From: paul miller <paul@tbm700.com>
>> Date: January 24, 2012 11:06:44 AM EST
>> .
>> .
>> Magnetos:  Both Magnetos had to go back on and I've never timed them befo=
re so it took me a few days to get the equipment and make sure I did everyth=
ing correctly.  Today, with the help of Ed Martin we timed the newly IRAN'd m=
ags to 22 degrees BTDC and then tested everything by hand to make sure we ha=
d sparks and in the right order.  we rotated all by hand for a while just to=
 make sure everything went well and because I had that previous Niagara adap=
ter problem.  I then had an idea to review a past LML note about resistors i=
n Champion spark plugs.  The top plugs were removed so I decided to check th=
em for fun.
>>=20
>> Out of the top 6 plugs, the resistances were 65,000 ohms to 2.5 Megohms. =
 =20
>>=20
>> A few sites suggest 1500 ohms is normal and 5000 would be the upper limit=
.  I did not test the bottom six plugs.  They are probably original plugs wi=
th 500 hours, massives and I guess Chapter 7 means new plugs which are proba=
bly overdue.
>>=20
>> Tomorrow we put fuel to the io550 and see how things work.   Plugs on ord=
er.
>>=20
>> Paul
>> Spruce Creek
>=20
>=20
> --
> Lorn H. 'Feathers' Olsen, MAA, ASMEL, ASES, Comm, Inst
> DynaComm, Corp., 248-345-0500, mailto:lorn@dynacomm.us
> LNC2, FB90/92, O-320-D1F, 1,800 hrs, N31161, Y47, SE Michigan
>=20
>=20
> --
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