Re: 3 Angle Valve Seats ...

["Stephen Bigelow" <sbigelow@sprint.ca>]

-----Original Message-----
From: JShadzi@aol.com <JShadzi@aol.com>
To: quattro@audifans.com <quattro@audifans.com>
Date: Thursday, September 02, 1999 4:39 PM
Subject: Re: 3 Angle Valve Seats ...


>In a message dated 9/2/99 2:21:49 PM Eastern Daylight Time, dfreed@bear.com
>writes:
>
><<  Audi requires it.  The valve seat is ground to three angles in the
> > stock engine - a section at 30 degrees to the roof of the combustion
> > chamber and a section at 45 degrees to the inside of the port, joined
> > by a band 2mm wide for an inlet port and 2.4mm wide for an exhaust
> > port. >>


And confirmed by the 84-88 5000s manual, p. 15.8.