[Fot] Head question on TR-6

John Styduhar johnstydo at gmail.com
Tue Oct 20 07:30:25 MDT 2015


Does anyone have a cylinder head spreadsheet similar to Mark's for the
TR2-4 engine?

On Mon, Oct 19, 2015 at 1:28 AM, Mark J Bradakis <mark at bradakis.com> wrote:

> Application       CR    Thickness   CC depth   CC volume
>
>
> GT6 Mk I        9.50
> GT6+            9.25     3.450     0.425       34
> GT6 Mk III      9.25     3.32       .47        37
> (early)
> GT6 Mk III      8.0      3.40       .55        44
> (late)
> TR250, TR6      8.5      3.55       .60        48.5
> TR6 middle      7.75     3.54       .68        55
> TR6 late        7.5      3.55       .70        57
> TR6 race 1     10.25     3.375      .52        41.6
> TR6 race 2     12.3      3.295      .44        33
> GT6 race 1     10.75     3.31       .385       30
> GT6 race 2     12.75     3.22       .300       24.4
>
>
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