REFLECTOR: ceramic coated exhaust pipes

[Scott Derrick]

Yeah, there must be something to this.  I searched for info that was 
negative about ceramic coating and couldn't find anything, other than it 
not sticking.

I wonder how well it would stick in used pipes.  I'd hate to have it 
slough off and run through my turbo..

Scott

Tom wrote:
> Al, there are some advantages, particularly for those with updraft 
> cooling. You're correct about the outside coating not doing much. A 
> good, inside coating is needed which only a few places do well. I've got 
> the short stacks from Velocity and since they slip apart, they were able 
> to get a good coat on the inside.( Jet-Hot) I did gain over 100 static 
> rpm after install but I believe that was mostly due to the exhaust 
> system change. It's definitely cooler under the cowling, cooler CHTs and 
> less risk of heat damage on tightly closed cowlings. I can hold my hand 
> on the exhaust shortly after shutdown.
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