Tim(at)MyRV10.com
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 Posted: Tue Oct 24, 2006 8:24 pm Post subject: Denso plugs for Lightspeed ignition |
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After 170+ hours on my engine, I finally pulled my top plugs
that go with my lightspeed ignition. Lightspeed uses
Denso W24EMR-C plugs, which are nicer than what you can substitute
(NGK BR8ES) in that they're nickel plated and they have a
cutback electrode for more spark exposure. The NGK's can
be had cheaper though. I know many people throw them out
after 100 hours. I'm thinking 100-150 should be just fine,
based on how mine looked when removed.
So far after a bunch of searching, I find you can buy them from
Klaus for $2.95 each, but there's another place where they
are available for $2.24 each, and the price goes down in
quantity. I'm thinking of putting in an order for at least
60 of them, so I have a supply for a while, but I thought I'd
ask if there is anyone else who's thought far enough ahead
about this maintenance item to know that they'll want a
bunch. I think the price will be down in the $1.58 range
with that sized order. I was thinking as long as someone
wanted to get at least 24 or 36 of them, I could order a
bunch up and split the order with you. The only added
cost would be the shipping to you from me, but if you consider
the savings from $2.95, that quickly starts to pay for
itself.
Not sure I'll be doing this for anyone, but thought I'd put out
a feeler. I love buying in bulk if I can save a few bucks.
It just kind of caught me off guard that these plugs normally
get tossed after a hundred hours by lots of people. Dan
Checkoway says he goes 100 hours on his NGK's. Seems awfully
short to me....that's like 6000 miles in your car, but oh well.
I'm going to stretch mine out to a cleaning at 100 and replace
at the next major de-cowling after 100.
For my bottom plugs, by the way, I've ordered some Iridium
fine wire Unison plugs from Skygeek.com They're a bunch more
than the regular massive electrode plugs, but they're also
much more exposed and open so the flamefront has less
quenching. I'll probably just sell off my old UREM40E's
after I'm running on the new ones and I can get myself a
spare for the road...or maybe sell 4 of them and keep 2
spares with the old ones.
--
Tim Olson - RV-10 N104CD - Flying
do not archive
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