[ST] Re: pipe bluing

[Darren Mason <Darren@xxxxxxxxxxxx>]

>From: don draper 
>Also I've read that the
>airflow through the head and exhaust manifold is very >hot to meet the
>emissions requirements,... maybe someone more >technically sophisticated could comment!

Don,
Air is injected into the exhaust to ignite any unburnt fuel to reduce emissions. I guess this would be fairly hot & contribute to pipe bluing. 

Darren Mason.
2000 ST.
Melbourne, AuSTralia.


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