<div dir="ltr"><div class="gmail_default" style="font-size:small">Does anyone have a cylinder head spreadsheet similar to Mark's for the TR2-4 engine?</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Oct 19, 2015 at 1:28 AM, Mark J Bradakis <span dir="ltr"><<a href="mailto:mark@bradakis.com" target="_blank">mark@bradakis.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Application       CR    Thickness   CC depth   CC volume<br>
<br>
<br>
GT6 Mk I        9.50<br>
GT6+            9.25     3.450     0.425       34<br>
GT6 Mk III      9.25     3.32       .47        37<br>
(early)<br>
GT6 Mk III      8.0      3.40       .55        44<br>
(late)<br>
TR250, TR6      8.5      3.55       .60        48.5<br>
TR6 middle      7.75     3.54       .68        55<br>
TR6 late        7.5      3.55       .70        57<br>
TR6 race 1     10.25     3.375      .52        41.6<br>
TR6 race 2     12.3      3.295      .44        33<br>
GT6 race 1     10.75     3.31       .385       30<br>
GT6 race 2     12.75     3.22       .300       24.4<br>
<br>
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