Black inside of IM - 83 5kt

[Tex Terry, II]

Javad - Thanks for the explanation below.  Will clean up prior to
replacement.  Will also check breather hoses and ports.  Tex.

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> From: JShadzi at aol.com
> To: texactii at csonline.net; quattro at audifans.com
> Subject: Re: Black inside of IM - 83 5kt
> Date: Monday, July 23, 2001 10:18 AM
> 
> Due to the crankcase breather system, oil is all over the inside of you 
> intake system, close to 20 years of this oil heating and burning in the 
> inside of you IM has resulted in this.  
> 
> It is not a problem, compeltely normal, I usually use some sanding rolls
to 
> clean up the inside of the IM, or you can just leave it.
> Javad
> 
> In a message dated 7/23/2001 6:38:25 AM Pacific Daylight Time, 
> texactii at csonline.net writes:
> 
> << 
>  Is there a problem on my engine?  I noticed that the inside of the
Intake
>  Manifold (IM) is all black.  I owuld think that since just air is
passing
>  through, there should not be any discoloration.  The black is throughout
>  the large section of the IM, and also in the throttle body area. 
Thanks,
>  Tex.  83 5kt sedan.
>   >>