[TR] Compression
Mark J Bradakis
mark at bradakis.com
Mon Oct 15 15:58:54 MDT 2018
On 10/15/18 9:09 AM, Carl Carlson wrote:
> Can anyone tell me where the TR250 & early TR6 engine gets it’s high compression as the bore & stroke is the same as the latter engine?
>
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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