<VV> Turbo Modifications

[FrankCB at aol.com]

Mark and Rodney,
 
Years ago I wrapped the crossover pipe on my 180 turbo and the boost came  
up much quicker and went from 8 psi to 10 psi on the long hill I drove to  
work (non-stock boost gauge).  The NEGATIVE part was that after 6 months  the 
crossover pipe blew out at the upward bend.  After examining the piece,  
the chief metallurgist at the chemical plant where I was working told me it  
wasn't rust but "overtemperature" that destroyed the pipe bend.  So if  
you're coating the stock piping, I would recommend coating the INSIDE as well as  
the outside so as to minimize the temp. rise of the metal itself.  I also  
noticed that wrapping the crossover tended to loosen up the bolts where the  
crossover was attached to the exhaust headers.  Maybe adding a flexible  
expansion joint would also be a good idea.
 
Frank Burkhard 
 
 
In a message dated 11/26/2010 10:53:35 P.M. Eastern Standard Time,  
62vair at gmail.com writes:

Rodney,  I'm overhauling my engine this winter and am coating parts
with a three  stage primer, paint and clearcoat VHT silicone ceramic
coating process  www.vhtpaint.com that is good for 1200-2000 degrees.
I'm a aviation  mechanic, (now work for the FAA) but turbine blades are
ceramic coated so  they can withstand higher temps in the back end of a
jet engine. So, it can  prevent the heat from getting through in either
direction.
They even  recommend coating the heads of pistons to minimize heat
transfer to the  piston and engine.
I bought mine at amazon.com.
Mark Durham

On  Fri, Nov 26, 2010 at 6:04 PM, Rodney Sampson <rsampson at kc.rr.com>  
wrote:
> All:
>
>    I was considering using a  ceramic coating on my exhaust components
> to retain the heat.
>  Has anyone else tried this ?
>
>   re:  http://ccperformance.com/index.php
>
> Thanks
> Rodney  Sampson
> HACOA.
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