Or.... you could just look at the part number.  If it ends in "C", it's a
2.1 liter.

Cheers,

Jeff

-----Original Message-----
From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com]On Behalf
Of Pascal Giasson
Sent: Monday, January 21, 2008 6:03 PM
To: vanagon@GERRY.VANAGON.COM
Subject: Re: port matching intake manifolds to heads

On Mon, 21 Jan 2008 10:39:15 -0500, Bob Donalds <donalds1@VERIZON.NET>
wrote:

>The 1.9 and 2.1 heads look the same at a glance and most could not tell the
>difference unless they had them side by side The best way to distinguish
>them is to look at the chamber the 1.9 intake valve relief does not extend
>out to the edge of the cylinder sealing surface
>
>Bob Donalds
>Boston engine
>

I just measured the difference and the distance Bob takes about is larger
on my 1.9 heads.  Also, other than telling from the part number, the 2.1 OE
heads have a diamond pattern on the bottom of the heads.

Pascal
'84Westy