The 87's do have overly optimistic speedometers. So are the odometers. 3 to4 percent typical. 26.5 inch tires will take care of that error. 

Dennis

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf Of Pete O
Sent: Friday, September 11, 2015 7:47 AM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: Highway driving

Stock 2.1 - 65MPH (on the speedometer - GPS says 60MPH) at 3600RPM.
Usually get about 17 -18 MPG.

Pete O
'87 Westy "JoesVan"
'79 Westy "Aardvark"

On Thu, Sep 10, 2015 at 10:51 PM, Stan Shapiro <mail@stanshapiro.com> wrote:

> A newbie question to you all--
>
>
>
> I have a 2.2 WBX gowesty engine, 1990 Westy, Automatic,  with Generat 
> AT2 Grabber 215/65/16  at 44 pounds
>
> I usually highway drive at 63 mph, 3400 RPM, and average about 20 MPG.
> Is
> that about right?
>
>
>
> What highway speed / RPM  do most of you drive at?   What is your MPG?
>
>
>
>
>
> Thanks
>
> Stan Shapiro
>