Paul,

 Made some progress on the heat shield.  I mocked it up using cardboard.
 Will cut aluminum to see how metal works and then finally use SS.  It has
 to be in 2 pieces as the engine moves and the duct does not.  the gap will
 be covered with silicon sheet.  The plan is to cut a scoop in the upper
 cowl
 and feed this space with outside air and vent it out the rear of the cowl.
 The scoop will also feed the cooling air for the alternator.

 Joe Berki
 Limo EZ


 Mr. Berki, are the P-port tubes in the photo aluminum? If so, how have you
 sealed them? I'm getting ready to install alum tubes in a set I have, using
 a type of alum solder to seal it all up.

 Thanks!
 Ed Carver


 Why did you decide not to weld SS in Ed?


 Paul Lamar


I'm going to try the alum anyway. I can use muggyweld to sweat the material
in and around any potential leak areas. If I can get to it with the spool
gun, I may mig weld some places. My experience mig welding items like this
has been very good, amazingly good actually. You can control the heat by
welding only small areas at a time. then let it cool, and begin again. Tig
welding on the other hand, puts huge heat into the aluminum, which makes me
worry about shrinkage, etc. Welding in the stainless would'nt be much of a
problem either, I just have faith in the aluminum method at this point.

  I will do the stainless method if the alum tube can't work. I do think it
is going to work though. We'll see. I have 6 housings to P port. Two of
which I don't need really, you saw those two at Whiteman, good cond. just
spares. I was going to p port my two rx8 housings, but I think I am going to
get a good set of 84 rx housings from Atkins, and sell these rx8 housings.
They are almost new, super low miles, less than a hundred. This way I can
have 3 exhaust ports each rotor.

I am considering using the stock intake ports along with the p ports. I
hav'nt seen anyone doing it this way. Does it work?

I should be working on the damper flex plate on monday. I'm prepping my mill
now.

Ed Carver

Practice on some junk rotor housings as it is hard to get in there
with any kind of aluminum weld short of furnace braze. The other big problem
you will have is a huge difference in the amount of heat required for
the rotor housing compared to the .065 inch wall tube.

The stock input ports affect the flow in a negative way. They face
each other so they in effect tend to cancel each other. The p-port
air stream goes with the flow so to speak. It is the natural way
the flow wants to go.

I don't think the 84 housings have the high silicon content alloy.
If so they are more pron to heat shrink.

Paul Lamar