[TR] Compression
DAVID MASSEY
dave1massey at cs.com
Tue Oct 16 05:55:42 MDT 2018
Mark, for some reason, some messages get stripped of LF's and CR's and an ascii table such as the one you sent don't display properly. I took the liberty of putting the data into a spreadsheet and taking an image attached below.
Did I get this right? Also note I added a column for per-cylinder displacement which is critical for calculating compression ratio.
Dave Massey
-----Original Message-----
From: Mark J Bradakis <mark at bradakis.com>
To: triumphs <triumphs at autox.team.net>
Sent: Mon, Oct 15, 2018 7:31 pm
Subject: Re: [TR] Compression
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 volumeGT6 Mk I 9.50GT6+ 9.25 3.450 0.425 34GT6 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 48.5TR6 middle 7.75 3.54 .68 55TR6 late 7.5 3.55 .70 57TR6 race 1 10.25 3.375 .52 41.6TR6 race 2 12.3 3.295 .44 33GT6 race 1 10.75 3.31 .385 30GT6 race 2 12.75 3.22 .300 24.4** triumphs at autox.team.net **Donate: http://www.team.net/donate.htmlArchive: http://www.team.net/pipermail/triumphs http://www.team.net/archive
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