"Brian D. Cain" wrote:
 >
 > While we've been on the subject of general engine reliability lately
 > (especially
 > with the o-ring thread a week or two back), I've been thinking alot about
 > the
 > corner seal rubber insert "problem".  Just three weeks back when I was in
 > sunny Lancaster, CA rebuilding a 4-port 13BT for a comrade of mine, I
 > noticed
 > yet again that the rubber inserts on all 12 corner seals were turned into
 > mush.

The engine builder likes the rubber plug style. I use only the solid style. I
have cracked one of the plug types and had one turn back into powdered iron.
I have never lost a solid one. You stomp on the thin ice long enough, you get
wet.
Lynn E. Hanover

I have heard of that happening. John at Mazdatrix mentioned they
were have trouble with those things. As I said somebody ought 
to try replacing the whole works with a slotted teflon cylinder.

Paul Lamar
 
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