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Date:         Mon, 13 Oct 2008 19:55:15 -0400
Reply-To:     Mike Collum <collum@VERIZON.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Mike Collum <collum@VERIZON.NET>
Subject:      Re: Best source of parts for a rebuild
Comments: To: John Bange <jbange@GMAIL.COM>
In-Reply-To:  <6da579340810131628j4fc5b74dve214582f96656120@mail.gmail.com>
Content-type: text/plain; charset=ISO-8859-1; format=flowed


John Bange wrote:
> I think the only changes between the 1.9 head and the 2.1 were
> structural. According to the Pro Training Manual, the 2.1 simply has a
> 7mm longer stroke (94mm piston, so 4.7 * 4.7 * pi * .7cm * 4 cyl  =
> .195 liters).


Toward the bottom of the page in the following link, Ken Lewis talks
about the effect on Compression Ratios Using 1.9L Heads on a 2.1L Engine.


http://neksiwel.20m.com/custom.html


Seven years ago I bought a new AMC 1.9 head but they've since become
NLA.  2.1 heads will work on a 1.9 but offer a slightly lower
compression ratio.


Mike
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