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From: Lorn H Olsen <lorn@dynacomm.us>
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Subject: Re: Champion Spark Plug Resisters
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Paul,

I forgot to mention that when the resisters go high for a long time, the =
magneto coils can be damaged. Mine were. I had to change both magneto =
coils.

If you have any questions, feel free to call.

Sincerely,
Lorn

> From: Lorn H Olsen <lorn@dynacomm.us>
> Date: January 25, 2012 7:06:14 PM EST
>=20
> Paul,
>=20
> When the Champion resisters go high, new plugs are not needed. =
Resisters can be taken from old massive plugs. I change my resisters on =
the Iridium plugs 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 =
before so it took me a few days to get the equipment and make sure I did =
everything correctly.  Today, with the help of Ed Martin we timed the =
newly IRAN'd mags to 22 degrees BTDC and then tested everything by hand =
to make sure we had 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 adapter problem.  I then had an idea to review =
a past LML note about resistors in Champion spark plugs.  The top plugs =
were removed so I decided to check them 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 with 500 hours, massives and I guess Chapter 7 means new plugs =
which are probably overdue.
>>=20
>> Tomorrow we put fuel to the io550 and see how things work.   Plugs on =
order.
>>=20
>> Paul
>> Spruce Creek
--
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