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Re: [TR] TR cylinder heads

To: triumphs@autox.team.net, "auprichard@uprichard.net >> Andrew Uprichard" <auprichard@uprichard.net>
Subject: Re: [TR] TR cylinder heads
From: "TeriAnn J. Wakeman" <tjwakeman@gmail.com>
Date: Mon, 26 Nov 2018 15:02:28 -0700
Delivered-to: mharc@autox.team.net
Delivered-to: triumphs@autox.team.net
References: <002e01d485bc$44519490$ccf4bdb0$@uprichard.net>
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On 11/26/18 12:14 PM, Andrew Uprichard wrote:
>
> When it comes to the 4-cylinder TR models, I am aware of four 
> variations on cylinder head design:  the original low-port TR2 head, 
> the â??le Mansâ?? head which was a variation on the low port design, the 
> high port head which came with most of the TR3s and the TR4 head with 
> the smaller intake aperture.
>
> But someone was talking to me the other day about a variation in the 
> high port TR3 head. According to this guy, there was a variation in 
> the thermostat housing, some of which were more sloping than rounded.  
> He claimed the sloped design was more attractive as it lended itself 
> to more shaving and thus a better, high compression engine.
>
> I must admit I had never heard about this.  I have three heads sitting 
> in my barns and all have what appears to be the same, rounded 
> underneath to the thermostat housing.
>
> Has anyone heard of this?
>
Yes I have & wrote a web page

http://www.tr3a.info/FAQ_heads.htm

TeriAnn
-- 

Book - The Essential Guide to Overland Travel in the United States and 
Canada <http://overlandtravel.us>
2 years to write and 38 years of travel and camping to learn what to write

*Because the world beckons and life waits for no one*


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    <div class="moz-cite-prefix">On 11/26/18 12:14 PM, Andrew Uprichard
      wrote:<br>
    </div>
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      <div class="WordSection1">
        <p class="MsoNormal"><span style="font-family:&quot;Times New
            Roman&quot;,&quot;serif&quot;">When it comes to the
            4-cylinder TR models, I am aware of four variations on
            cylinder head design:  the original low-port TR2 head, the
            â??le Mansâ?? head which was a variation on the low port design,
            the high port head which came with most of the TR3s and the
            TR4 head with the smaller intake aperture.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Times New
            Roman&quot;,&quot;serif&quot;"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Times New
            Roman&quot;,&quot;serif&quot;">But someone was talking to me
            the other day about a variation in the high port TR3 head. 
            According to this guy, there was a variation in the
            thermostat housing, some of which were more sloping than
            rounded.  He claimed the sloped design was more attractive
            as it lended itself to more shaving and thus a better, high
            compression engine.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Times New
            Roman&quot;,&quot;serif&quot;"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Times New
            Roman&quot;,&quot;serif&quot;">I must admit I had never
            heard about this.  I have three heads sitting in my barns
            and all have what appears to be the same, rounded underneath
            to the thermostat housing.<o:p></o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Times New
            Roman&quot;,&quot;serif&quot;"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span style="font-family:&quot;Times New
            Roman&quot;,&quot;serif&quot;">Has anyone heard of this?<br>
          </span></p>
      </div>
    </blockquote>
    <p>Yes I have &amp; wrote a web page</p>
    <p><a class="moz-txt-link-freetext" 
href="http://www.tr3a.info/FAQ_heads.htm";>http://www.tr3a.info/FAQ_heads.htm</a></p>
    TeriAnn<br>
    <div class="moz-signature">-- <br>
      <p align="center"><a href="http://overlandtravel.us";>Book - The
          Essential Guide to Overland Travel in the United States and
          Canada</a>
        <br>
        2 years to write and 38 years of travel and camping to learn
        what to write<br>
        <br>
        <b>Because the world beckons and life waits for no one</b></p>
    </div>
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