sure, I just bought a 5/8ths to 3/4 hose adapter from CarQuest ..
and on can adapt verious hoses to fit wherever.  You have to do some of that
in engine conversions anyway.
----- Original Message -----
From: "Karl Wolz" <wolzphoto@q.com>
To: "'Scott Daniel - Turbovans'" <scottdaniel@TURBOVANS.COM>;
<vanagon@GERRY.VANAGON.COM>
Sent: Friday, November 12, 2010 11:18 PM
Subject: RE: 1.9 Coolant hose Diameter

> Don't recall exactly what I did (oh so many years ago) to make it work,
> but
> used two different hoses and an adapter (size reducer).  Worked, and is
> still working, I believe.  NAPA folk can be pretty darned helpful if you
> let
> them.
>
> Karl Wolz
>
> |-----Original Message-----
> |From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> Of
> |Scott Daniel - Turbovans
> |Sent: Friday, November 12, 2010 4:24 PM
> |To: vanagon@GERRY.VANAGON.COM
> |Subject: Re: 1.9 Coolant hose Diameter
> |
> |# 12 is ordinary 5/8th generic heater hose.
> |
> |# 13, not shown very well in the diagram,
> |is 5/8ths at the T for the rear heater,
> |but coming off the forward end of the right cylinder head..
> |it's larger than that.
> |That hose, # 13 is a special hose just for that application.
> |last time I bought one it was
> |75 bucks or so.  Fortunately still avaiable.
>