<VV> Need some discussion on "Jet", high tech Ceramic coatings

[ScottyGrover at aol.com]

In a message dated 6/2/2008 4:48:56 A.M. Pacific Daylight Time,  
robovair at sbcglobal.net writes:

Wht I am  finding out is that they seem to insulate to well.  With the 
shrouds on,  I can't get enough temperature to open the bellows.  As I run, the  
temperature starts to build to a point where I begin to overheat,  Temp's  around 
400  in a Monza  110 horse.  Then the temp drops sharply  to about 300 then 
slowly climbs back to 400 then drops back to 300.  What  I have been able to 
discover is that the coating insualtes so well, the  bellows are not getting 
enough heat to cause them to open.  The motor  begins to overheat, to a point 
where they do open, then as the temp drops,  they close again allowing the heat 
to build up.  And so  on.

My purpose was to insulate the heat to keep it  from radiating up into the 
motor, my goal was to help cool [reduce heat] but I  am afarid I have gone to 
far.

Bob  Bauer



You've given me some interesting information.  Maybe you weren't aware  of 
this, but many Corvair owners (the performance-oriented ones) remove the  lower 
shrouds in order to help cool their engines. See "The Classic Corvair" by  Bob 
Helt for data on this (even GM design checked this out and published  
results.)
 
Scotty from Hollyweird



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