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Dennis,
I had the same experience. I probably had 20 or more hours on the engine in
tuning and just plain reliability testing on the ground before I flew it.
I found oven cleaner worked well. I just soaked the tips for 30-60 minutes
then took a fine wire brush to them and they worked great after than.
Joe Hull
Redmond/Seattle WA, Cozy-Mazda Rotary 69hrs
I have been running my RX -8 at low power settings while finishing up
the engine install details. Recently it ran very rough and changing the
plugs fixed the problem. The plugs that produced the rough running
engine are the RE7A L and RE9BT iridium plugs that are standard with the
Renessis car. These plugs have a thin layer of slightly moist carbon
on the porcelain. Any suggestions for cleaning? Can I use a standard
air operated blaster like is used on A/C plugs? I believe these plugs
cost around $35! Should I be using the different plugs for the Renessis
in the A/C?
Ed - Thanks for the engine data from your last flight - I plan on
running some full power static tests on my A/C later this week.
Dennis H.
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