Yeah.....I have an 85 Instrument panel that I just haven't had the time to put in.  My "tolerance" is about 15.3. LOL.  

 

 

 

 
> Date: Tue, 13 Apr 2010 19:43:28 -0400
> From: dbeierl@ATTGLOBAL.NET
> Subject: Re: 1984 Speedos
> To: vanagon@GERRY.VANAGON.COM
> 
> At 07:41 PM 4/13/2010, Geo wrote:
> >There is even a formula in the Bentley (p 90.30) for the 84 model year
> >to compute your actual speed based on what the instrument says.
> >Pretty handy... if you happen to have a calculator in hand while you
> >drive.
> 
> That's a tolerance, not a conversion. But in '85 they went back to
> speedos with a much tighter spec in US Vanagons, presumably by customer demand.
> 
> Yours,
> David