Flying Ant
Filing Flight Plan
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- Feb 3, 2012
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Flying Ant
Is it normal for plugs to foul more with new cylinders before they break in?
Is it normal for plugs to foul more with new cylinders before they break in?
Define "foul" please
I've see extra oil for a few hours a few times. Goes away quickly though.
Use better cylinders.
Typically the problem is the rings, not the jugs.
For the last 20 years they have come as a kit. piston and rings already installed, with new valves, springs, keepers, all installed at the factory.
Only the dumb ones use used cylinders.
That's what I mean, the rings in some of the kits are junk rings, but then I have also seen them installed upside down as well...
I probably do a hundred cylinders to your one, I inspect each one and have yet to find any problems with new cylinders.
I do like the construction of the OEM Continental oil control ring, but have never had any problems with ECI's or Superiors either.
The folks that are having problems with new cylinders, are not following the manufacturers break-in instructions. They follow the instructions contained in the factory overhaul manual, that was written 50 years ago, and ignor the instructions that comes in every new cylinder box.
I've experienced sticky valves on new jugs.
From that point on, I check valve clearance prior to installation. And if need be, run the proper reamer through the guide.
You voided any warrantee on that cylinder as soon as you modified it.
I prefer to avoid using warranties, they mean i had a breakdown and i have to do more work.