<font color='black' size='2' face='arial'>You've got it figured exactly right. Be certain to check all oilway bores to ensure they are properly drilled through on these.
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<div style="font-family:arial,helvetica;font-size:10pt;color:black">-----Original Message-----<br>
From: Scott Janzen via Fot <fot@autox.team.net><br>
To: 'Friends of Triumph' Triumph <fot@autox.team.net><br>
Sent: Sun, Jan 7, 2018 3:28 pm<br>
Subject: [Fot] GT6 engine block variations - TR6?<br>
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<div id="AOLMsgPart_1.2.1_dc953ce8-bf9f-45e1-9420-6583a9988188">
<div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="aolReplacedBody">I pulled apart a spare short block to get at the crank, and thought I might get the block cleaned and prepped at the same time. However, the block is different from any of the GT6 blocks I’ve used before. Serial # shows as a GT6 motor - KD759681 - but the bores have notches cut out in the sump end and the block has cast-in “bulges” on the side opposite the distributor/oil galleys.
<div>I’m guessing that this is a block that could have been used either for a GT6 or TR6 and the clearance is for the added TR6 stroke - but would like to confirm that they are interchangeable. Definitely has a GT6 crank in it - same stroke. Other aspects of the castings look the same. Having been through probably 3 blocks in the past ten years, I’m puzzled I haven’t run into one of these before. </div>
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<div>Photos of current and different block attached. The clean one is my current GT6 block - there’s no serial # on that - got decked off.</div>
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<div>Anyone know?</div>
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