[W126 Coupe] Exhaust coatings

[Jim Nowak]

It's valid!

Jim

--- Calvin Young <cayoung144 at yahoo.com> wrote:

> What do you guys think of this logic?
>    
>   
> The theory of insulating the exhaust system to
> retain heat is commonly overlooked by most racers.
> After heat has performed its function in the
> combustion chamber, it travels out the exhaust port
> to the header. If the Gases are allowed to cool,
> they lose velocity and the scavenging effect is
> reduced. If by insulating the exhaust system, gases
> inside are kept at the highest possible temperature,
> the resulting effect is a greater exhaust gas
> velocity and higher efficiency. Each gas pulse moves
> through the pipe faster, making room for the next
> and pulling it along. This reduces back pressure and
> increases the "super-charging" effect created by the
> now of high velocity gases.
> Insulated headers also reduce radiant heat and lower
> underhood and cockpit temperature. By reducing air
> intake temperature 10°F, a horsepower increase of 1%
> results, a 30°F drop equates to a 3% horsepower
> increase. This is inexpensive horsepower.
> Swain Tech engineers have developed several heat
> management products for use on headers and exhaust
> systems. 
> 
>  
> http://www.boost-instruments.com/959/959-turbo.html 
>    
>   No personal financial interests.
>    
>   cal 
> 
> 
> 
> Sincerely, 
> 
> 
> 
> Calvin A.Young
> 			
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